Hewlett Packard Enterprise Aruba 3810 User manual

Aruba 3810 / 5400R Management and
Configuration Guide for ArubaOS-
Switch 16.08
Part Number: 5200-5491a
Published: January 2019
Edition: 2

© Copyright 2019 Hewlett Packard Enterprise
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Chapter 1 About this guide........................................................................... 33
Applicable products..................................................................................................................................33
Switch prompts used in this guide........................................................................................................... 33
Chapter 2 Time synchronization...................................................................34
NTP..........................................................................................................................................................34
NTP related commands................................................................................................................ 34
timesync............................................................................................................................. 34
timesync ntp....................................................................................................................... 35
ntp...................................................................................................................................... 35
[no] ntp............................................................................................................................... 35
ntp enable...........................................................................................................................36
ntp authentication............................................................................................................... 37
ntp max-associations..........................................................................................................38
ntp server........................................................................................................................... 38
ntp server key-id.................................................................................................................40
ntp ipv6-multicast............................................................................................................... 40
debug ntp........................................................................................................................... 41
ntp trap............................................................................................................................... 41
show ntp servers ............................................................................................................... 42
show ntp statistics.............................................................................................................. 42
show ntp status.................................................................................................................. 43
show ntp authentication......................................................................................................43
show ntp associations........................................................................................................ 44
FQDN support for NTP servers ....................................................................................................45
FQDN support for NTP servers.......................................................................................... 45
Elements of time synchronization............................................................................................................ 47
Time synchronization protocols................................................................................................................47
timesync........................................................................................................................................ 48
Setting a time protocol on the switch....................................................................................................... 48
The SNTP protocol.................................................................................................................................. 48
Selecting and configuring SNTP................................................................................................... 49
Prerequisites...................................................................................................................... 49
sntp.....................................................................................................................................50
Enabling SNTP in Broadcast mode....................................................................................51
Configuring SNTP in unicast mode.................................................................................... 51
Viewing SNTP parameters............................................................................................................53
Viewing SNTP server addresses using the CLI..................................................................53
Enabling SNTP client authentication.............................................................................................54
Requirements to enable SNTP client authentication..........................................................54
Viewing all SNTP authentication keys that have been configured on the switch............... 55
SNTP poll interval......................................................................................................................... 55
sntp poll-interval................................................................................................................. 55
SNTP unicast time polling with multiple SNTP servers...................................................... 56
SNTP server priority......................................................................................................................56
sntp server priority .............................................................................................................56
SNTP software version................................................................................................................. 57
sntp server <version>.........................................................................................................57
SNTP server address....................................................................................................................57
Contents
Contents 3

sntp server <ip-address>....................................................................................................57
Adding SNTP server addresses......................................................................................... 57
SNTP authentication trusted keys.................................................................................................58
trusted................................................................................................................................ 58
Configuration files and the include-credentials command .................................................58
Configuring the key-identifier, authentication mode, and key-value..............................................59
sntp authentication............................................................................................................. 59
Configuring a key-id as trusted...........................................................................................60
Associating a key with an SNTP server............................................................................. 61
sntp server priority..............................................................................................................62
Enabling and disabling SNTP client authentication............................................................62
Viewing SNTP authentication configuration information.....................................................62
Viewing statistical information for each SNTP server.........................................................64
SNTP messages in the event log..................................................................................................65
Storing security information in the running-config file................................................................... 66
The TimeP Protocol................................................................................................................................. 66
Enabling TimeP mode...................................................................................................................66
timesync timep................................................................................................................... 67
TimeP in DHCP mode........................................................................................................ 67
Enabling TimeP for DHCP..................................................................................................67
TimeP operation in manual mode................................................................................................. 68
timesync timep................................................................................................................... 68
ip timep...............................................................................................................................68
Current TimeP configuration......................................................................................................... 69
show timep......................................................................................................................... 69
show management............................................................................................................. 70
Change from one TimeP server to another .................................................................................. 70
TimeP poll interval.........................................................................................................................70
ip timep...............................................................................................................................70
Disable time synchronization protocols ...................................................................................................70
Disabling TimeP in manual mode..................................................................................................70
no ip timep..........................................................................................................................71
Disabling time synchronization......................................................................................................71
no timesync........................................................................................................................ 71
Disabling timsync using the GUI........................................................................................ 71
Disabling the TimeP mode............................................................................................................ 71
no ip timep..........................................................................................................................72
Disabling time synchronization without changing the SNTP configuration................................... 72
timesync............................................................................................................................. 72
Disabling SNTP mode...................................................................................................................73
Disabling SNTP Mode...................................................................................................................73
no sntp................................................................................................................................73
Deleting an SNTP server....................................................................................................73
Disabling SNTP by deleting a server..................................................................................74
Disabling time synchronization in DHCP mode by disabling the TimeP mode parameter............ 74
ip timep ......................................................................................................................... 74
Other time protocol commands................................................................................................................75
Show management command...................................................................................................... 75
show management............................................................................................................. 75
Show SNTP command..................................................................................................................75
show sntp........................................................................................................................... 75
Show TimeP command................................................................................................................. 77
show................................................................................................................................... 77
Chapter 3 Resource usage............................................................................ 79
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Viewing current resource usage...............................................................................................................79
showquos...................................................................................................................................... 79
Viewing information on resource usage...................................................................................................80
When insufficient resources are available.....................................................................................81
Policy enforcement engine............................................................................................................81
Usage notes for show resources output........................................................................................82
Chapter 4 Hardware components................................................................. 84
Services................................................................................................................................................... 84
Show services............................................................................................................................... 84
No parameters.............................................................................................................................. 84
show services.....................................................................................................................84
Show services locator................................................................................................................... 85
Show services device....................................................................................................................86
show services device......................................................................................................... 86
Requesting a reboot......................................................................................................................87
Services in Operator/Manager/Configure context......................................................................... 87
Services (operator).............................................................................................................87
Services (manager)............................................................................................................ 88
Services (configure)........................................................................................................... 89
Enable or disable devices.................................................................................................. 90
no services......................................................................................................................... 90
Accessing CLI-passthrough............................................................................................... 90
Show services set locator module.................................................................................................91
command name..................................................................................................................91
Reloading services module........................................................................................................... 91
command name..................................................................................................................91
Connection to the application via a serial port.............................................................................. 91
command name..................................................................................................................92
Shutdown the services module..................................................................................................... 92
command name..................................................................................................................92
Transceiver status....................................................................................................................................92
Operating notes.............................................................................................................................92
show interfaces transceivers.........................................................................................................93
Configuring the type of a module............................................................................................................. 93
module type...................................................................................................................................93
Clearing the module configuration........................................................................................................... 94
Configuring transceivers and modules that have not been inserted........................................................ 94
Transceivers..................................................................................................................................94
Modules.........................................................................................................................................94
Clearing the module configuration................................................................................................ 94
Power consumption................................................................................................................................. 95
show system power-supply........................................................................................................... 95
Fans......................................................................................................................................................... 98
show system ................................................................................................................................ 99
show system fans..................................................................................................................100
show system power-supply......................................................................................................... 102
Fan failures and SNMP traps...................................................................................................... 106
System boot diagnostics........................................................................................................................ 106
show system post..................................................................................................................106
show system post member...................................................................................................107
show system post vsf member..........................................................................................108
Chapter 5 Port status and configuration....................................................110
Contents 5

Viewing port status and configuration.................................................................................................... 110
show interfaces.................................................................................................................... 110
Viewing transceiver information............................................................................................................. 112
The port VLAN tagged status.................................................................................................................113
Dynamically updating the show interfaces command............................................................................ 114
command name...........................................................................................................................114
Customizing the show interfaces command...........................................................................................115
show interfaces custom...............................................................................................................115
show interface smartrate............................................................................................................. 116
show interface port utilization ..................................................................................................... 116
Enabling or disabling ports and configuring port mode.......................................................................... 117
interface.......................................................................................................................................117
Basic USB port commands.................................................................................................................... 118
usb-port................................................................................................................................... 119
show usb-port........................................................................................................................ 119
Enabling or disabling flow control...........................................................................................................119
interface flow-control................................................................................................................... 120
Configuring auto-MDIX.......................................................................................................................... 121
interface mdix-mode....................................................................................................................121
show interfaces config.................................................................................................................121
show interfaces brief................................................................................................................... 122
Configuring friendly port names............................................................................................................. 123
interface name............................................................................................................................ 123
Configuring a single port name................................................................................................... 123
Configuring the same name for multiple ports............................................................................ 123
Viewing friendly port names with other port data........................................................................ 124
show name....................................................................................................................... 124
show interface.................................................................................................................. 124
show config...................................................................................................................... 124
Listing all ports or selected ports with their friendly port names............................................................ 124
show name..................................................................................................................................124
Including friendly port names in per-port statistics listings.......................................................... 125
show interface.................................................................................................................. 125
Searching the configuration for ports with friendly port names................................................... 127
show config...................................................................................................................... 127
Configuring uni-directional link detection............................................................................................... 127
interface link-keepalive................................................................................................................127
Enabling UDLD........................................................................................................................... 128
Changing the keepalive interval.................................................................................................. 128
Changing the keepalive retries....................................................................................................129
Configuring UDLD for tagged ports.............................................................................................129
Viewing UDLD information.......................................................................................................... 129
show link-keepalive.......................................................................................................... 129
clear link-keepalive......................................................................................................................130
Viewing summary information on all UDLD-enabled ports..........................................................130
Viewing detailed UDLD information for specific ports................................................................. 130
Port status and Port parameters............................................................................................................ 131
Connecting transceivers to fixed-configuration devices.............................................................. 131
Error messages associated with the show interfaces command................................................ 133
Using pattern matching with the show interfaces custom command .....................134
Auto-MDIX configurations...................................................................................................................... 134
Manual override.......................................................................................................................... 134
About using friendly port names............................................................................................................ 135
Configuring and operating rules for friendly port names............................................................. 135
Uni-directional link detection (UDLD).....................................................................................................136
Configuring UDLD....................................................................................................................... 136
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Prerequisites.................................................................................................................... 137
Uplink Failure Detection.........................................................................................................................137
Configuration Guidelines for UFD............................................................................................... 139
UFD enable/disable.....................................................................................................................139
uplink-failure-detection..................................................................................................... 139
UFD configuration....................................................................................................................... 139
uplink-failure-detection track.........................................................................139
show uplink-failure-detection...........................................................................140
Port Shutdown with Broadcast Storm.................................................................................................... 141
Configuration Commands........................................................................................................... 141
fault-finder broadcast-storm............................................................................................. 141
Viewing broadcast-storm configuration....................................................................................... 142
show fault-finder broadcast-storm.................................................................................... 143
Broadcast-storm event logs........................................................................................................ 145
Multicast Storm Control..........................................................................................................................146
Overview..................................................................................................................................... 146
fault-finder multicast-storm........................................................................................146
fault-finder multicast-storm action.........................................................................148
show running-config................................................................................................ 149
show logging.......................................................................................................................... 150
Restrictions................................................................................................................................. 150
Chapter 6 Power over ethernet (PoE/PoE+) operation............................. 151
PoE ....................................................................................................................................................... 151
PoE terminology..........................................................................................................................151
Planning and implementing a PoE configuration................................................................................... 151
Power requirements.................................................................................................................... 151
Assigning PoE ports to VLANs....................................................................................................152
Applying security features to PoE configurations........................................................................152
Assigning priority policies to PoE traffic...................................................................................... 152
PoE operation........................................................................................................................................ 152
PoE configuration options........................................................................................................... 153
PD support.................................................................................................................................. 153
PoE power priority.......................................................................................................................154
Assigning PoE priority with two or more modules............................................................ 154
About configuring PoE........................................................................................................................... 154
Disabling or re-enabling PoE port operation.......................................................................................... 156
interface...................................................................................................................................... 157
Enabling support for pre-standard devices............................................................................................ 157
power-over-ethernet....................................................................................................................157
Configuring the PoE port priority............................................................................................................157
interface...................................................................................................................................... 157
Controlling PoE allocation......................................................................................................................158
int................................................................................................................................................ 158
Manually configuring PoE power levels................................................................................................. 159
Detection status: fault..................................................................................................................160
Configuring PoE redundancy (chassis switches only)........................................................................... 160
power-over-ethernet redundancy................................................................................................ 160
Changing the threshold for generating a power notice.......................................................................... 161
power-over-ethernet slot............................................................................................................. 161
Enabling or disabling ports for allocating power using LLDP.................................................................161
int poe-lldp-detect........................................................................................................................161
Enabling PoE detection via LLDP TLV advertisement........................................................................... 162
lldp config.................................................................................................................................... 162
Negotiating power using the DLL...........................................................................................................162
Contents 7

int poe-lldp-detect........................................................................................................................162
Initiating advertisement of PoE+ TLVs................................................................................................... 164
lldp config.................................................................................................................................... 164
Temporary PoE+ power drop...................................................................................................... 164
Viewing PoE when using LLDP information...........................................................................................165
show lldp config...........................................................................................................................165
Viewing the global PoE power status of the switch................................................................................167
show power-over-ethernet.......................................................................................................... 167
Viewing PoE status on all ports..............................................................................................................168
show power-over-ethernet.......................................................................................................... 169
Viewing the PoE status on specific ports............................................................................................... 170
show power-over-ethernet.......................................................................................................... 170
Configuring thresholds for generating a power notice........................................................................... 173
PoE/PoE+ allocation using LLDP...........................................................................................................173
LLDP with PoE............................................................................................................................ 173
LLDP with PoE+..........................................................................................................................173
PoE+ with LLDP Overview............................................................................................... 173
PoE allocation.................................................................................................................. 174
Operation note............................................................................................................................ 174
Chapter 7 Port trunking............................................................................... 175
Port trunking overview........................................................................................................................... 175
Port trunk connections and configuration....................................................................................175
Viewing and configuring port trunk groups.............................................................................................176
Viewing static trunk type and group for all ports or for selected ports.........................................176
show trunks...................................................................................................................... 176
Viewing static LACP and dynamic LACP trunk data................................................................... 177
show lacp......................................................................................................................... 177
Configuring a static trunk or static LACP trunk group................................................................. 177
trunk................................................................................................................................. 177
Removing ports from a static trunk group................................................................................... 178
no trunk............................................................................................................................ 178
Enabling dynamic LACP trunk groups........................................................................................ 178
interface lacp active..........................................................................................................178
Remove ports from a dynamic LACP trunk group.......................................................................179
no interface lacp............................................................................................................... 179
Set the LACP key........................................................................................................................179
lacp...................................................................................................................................179
Specifying Minimum Active Links for LACP................................................................................ 180
lacp min-active-links............................................................................................ 180
lacp enable-timer.....................................................................................................181
show lacp min-active-links................................................................................. 182
Limitations........................................................................................................................ 183
Viewing and configuring a static trunk group (Menu).............................................................................183
Enable L4-based trunk load balancing...................................................................................................185
trunk-load-balance...................................................................................................................... 185
Viewing trunk load balancing................................................................................................................. 186
show trunks................................................................................................................................. 186
Operating notes...........................................................................................................................187
Distributed trunking................................................................................................................................ 187
Configure ISC ports.....................................................................................................................187
switch-interconnect...........................................................................................................187
Configuring distributed trunking ports......................................................................................... 188
trunk................................................................................................................................. 188
Configuring peer-keepalive links................................................................................................. 188
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distributed-trunking...........................................................................................................189
Viewing distributed trunking information......................................................................................189
show lacp distributed........................................................................................................189
show distributed-trunk...................................................................................................... 190
Viewing peer-keepalive configuration..........................................................................................191
Viewing switch interconnect........................................................................................................ 191
Port trunk operations..............................................................................................................................191
Fault tolerance ........................................................................................................................... 191
Trunk configuration methods..................................................................................................................191
Dynamic LACP trunk...................................................................................................................191
Dynamic LACP Standby Links.................................................................................................... 192
Viewing LACP Local Information.................................................................................................192
Viewing LACP Peer Information..................................................................................................192
Viewing LACP Counters..............................................................................................................193
Using keys to control dynamic LACP trunk configuration........................................................... 193
Static trunk.................................................................................................................................. 193
Operating port trunks........................................................................................................194
Show port-security log......................................................................................................196
Static or dynamic trunk group overview...................................................................................... 197
Enabling a dynamic LACP trunk group....................................................................................... 197
Dynamic LACP standby links...................................................................................................... 198
Viewing LACP local information.................................................................................................. 198
Viewing LACP peer information.................................................................................................. 199
Viewing LACP counters...............................................................................................................199
Trunk group operation using LACP........................................................................................................200
Default port operation..................................................................................................................202
LACP operating notes and restrictions........................................................................................204
802.1X (Port-based access control) configured on a port................................................ 204
Port security..................................................................................................................... 204
Changing trunking methods............................................................................................. 204
Static LACP trunks........................................................................................................... 204
Dynamic LACP trunks...................................................................................................... 205
VLANs and dynamic LACP.............................................................................................. 205
Blocked ports with older devices...................................................................................... 205
Spanning Tree and IGMP.................................................................................................206
Half-duplex, different port speeds, or both not allowed in LACP trunks........................... 206
Dynamic/static LACP interoperation.................................................................................206
Trunk group operation using the "trunk" option......................................................................................206
Viewing trunk data on the switch............................................................................................................207
Outbound traffic distribution across trunked links.................................................................................. 207
Trunk load balancing using Layer 4 ports.............................................................................................. 208
Distributed trunking overview.................................................................................................................208
Distributed trunking interconnect protocol...................................................................................210
Configuring distributed trunking.................................................................................................. 210
Configuring peer-keepalive links............................................................................................................ 211
Maximum DT trunks and links supported....................................................................................212
Forwarding traffic with distributed trunking and spanning tree....................................................213
Forwarding unicast traffic................................................................................................. 213
Forwarding broadcast, multicast, and unknown traffic .................................................... 214
IP routing and distributed trunking.............................................................................................. 215
Distributed trunking restrictions...................................................................................................217
Updating software versions with DT...................................................................................................... 218
Chapter 8 Port Traffic Controls................................................................... 221
ICMP rate-limiting.................................................................................................................................. 221
Contents 9

Guidelines for configuring ICMP rate-limiting..............................................................................221
Configuring ICMP rate-limiting.................................................................................................... 222
Using both ICMP rate-limiting and all-traffic rate-limiting on the same interface.........................223
Viewing the current ICMP rate-limit configuration....................................................................... 223
Operating notes for ICMP rate-limiting........................................................................................224
ICMP rate-limiting trap and Event Log messages.......................................................................225
Determining the switch port number used in ICMP port reset commands....................... 225
Configuring inbound rate-limiting for broadcast and multicast traffic.......................................... 226
Operating Notes............................................................................................................... 228
Guaranteed minimum bandwidth (GMB)............................................................................................... 228
GMB operation............................................................................................................................ 228
Impacts of QoS queue configuration on GMB operation..................................................229
Configuring GMB for outbound traffic...............................................................................230
Viewing the current GMB configuration............................................................................232
GMB operating notes.................................................................................................................. 233
Impact of QoS queue configuration on GMB commands................................................. 233
Rate-limiting Unknown Unicast Traffic................................................................................................... 233
rate-limit unknown-unicast in percent.................................................................... 233
rate-limit unknown-unicast in kbps...........................................................................234
show rate-limit unknown-unicast................................................................................. 235
Jumbo frames........................................................................................................................................ 236
Operating rules............................................................................................................................236
Jumbo traffic-handling...................................................................................................... 237
Configuring jumbo frame operation.............................................................................................238
Overview.......................................................................................................................... 238
Viewing the current jumbo configuration.......................................................................... 238
Enabling or disabling jumbo traffic on a VLAN................................................................. 240
Configuring a maximum frame size.............................................................................................240
Configuring IP MTU..........................................................................................................241
SNMP implementation......................................................................................................241
Displaying the maximum frame size.................................................................................241
Operating notes for maximum frame size........................................................................ 241
Troubleshooting...........................................................................................................................242
A VLAN is configured to allow jumbo frames, but one or more ports drops all inbound
jumbo frames....................................................................................................................242
A non-jumbo port is generating "Excessive undersize/giant frames" messages in the
Event Log......................................................................................................................... 242
Fault Finder............................................................................................................................................242
Fault Finder thresholds............................................................................................................... 243
Enabling Fault Finder.................................................................................................................. 243
Chapter 9 Configuring for Network Management Applications...............247
Configuring the switch to filter untagged traffic...................................................................................... 247
ignore-untagged-mac.................................................................................................................. 247
Viewing configuration file change information........................................................................................247
show running-config.................................................................................................................... 247
Minimal interval for successive data change notifications..................................................................... 249
setmib..........................................................................................................................................249
Viewing the current port speed and duplex configuration on a switch port............................................249
show interfaces........................................................................................................................... 250
Viewing the configuration.......................................................................................................................251
show running-config.................................................................................................................... 251
RMON advanced management............................................................................................................. 251
rmon alarm.................................................................................................................................. 252
Configuring UDLD verify before forwarding........................................................................................... 255
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UDLD time delay......................................................................................................................... 255
Restrictions.......................................................................................................................255
UDLD configuration commands.................................................................................................. 255
link-keepalive mode..........................................................................................................256
show link-keepalive..................................................................................................................... 256
RMON generated when user changes UDLD mode................................................................... 257
MAC configurations................................................................................................................................257
Configuring the MAC address count option................................................................................ 257
snmp-server mac-count-notify..........................................................................................257
Configuring the MAC address table change option.....................................................................257
snmp-server mac-notify....................................................................................................258
Per-port MAC change options for mac-notify.............................................................................. 258
mac-notify traps................................................................................................................258
Viewing the mac-count-notify option........................................................................................... 259
show mac-count-notify..................................................................................................... 259
Viewing mac-notify traps configuration........................................................................................261
show mac-notify traps...................................................................................................... 261
Configuring sFlow.................................................................................................................................. 261
sflow............................................................................................................................................ 262
sFlow Configuring multiple instances..........................................................................................263
Viewing sFlow Configuration and Status.....................................................................................263
show sflow agent..............................................................................................................263
show snmpv3 user...................................................................................................................... 265
Configuring SNMP................................................................................................................................. 266
Network security notifications......................................................................................................266
SNMP traps on running configuration changes................................................................266
Source IP address for SNMP notifications....................................................................... 267
Listening mode................................................................................................................. 267
Group access levels....................................................................................................................267
SNMPv3 communities...................................................................................................... 269
SNMPv2c informs....................................................................................................................... 269
SNMP notifications......................................................................................................................269
Supported Notifications.................................................................................................... 270
Configuring SNMP notifications........................................................................................270
SNMPv1 and SNMPv2c Traps......................................................................................... 270
SNMPv3 users............................................................................................................................ 277
Adding users.................................................................................................................... 278
SNMP tools for switch management........................................................................................... 278
SNMP management features........................................................................................... 278
SNMPv1 and v2c access to the switch............................................................................ 279
SNMPv3 access to the switch.......................................................................................... 279
Enabling SNMPv3....................................................................................................................... 280
Configuring users in SNMPv3..................................................................................................... 281
snmpv3 user.....................................................................................................................281
Switch access from SNMPv3 agents.......................................................................................... 281
snmpv3 enable................................................................................................................. 281
Restrict access from SNMPv3 agents.........................................................................................281
snmpv3 only..................................................................................................................... 281
Restrict non-SNMPv3 agents to read-only access......................................................................282
snmpv3 restricted-access.................................................................................................282
Operating status of SNMPv3.......................................................................................................282
show snmpv3................................................................................................................... 282
Non-SNMPv3 message reception status.................................................................................... 282
show snmpv3 only............................................................................................................282
Non-SNMPv3 write message status........................................................................................... 282
show snmpv3 restricted-access....................................................................................... 282
Viewing and configuring non-version-3 SNMP communities (Menu).......................................... 282
Contents 11

SNMP trap receiver configuration............................................................................................... 283
snmp-server host..............................................................................................................283
SNMPv2c inform option.............................................................................................................. 284
snmp-server host..............................................................................................................284
Configuring SNMPv3 notifications (CLI)......................................................................................285
SNMPv3 community mapping.....................................................................................................288
snmpv3 community.......................................................................................................... 288
Running configuration changes and SNMP traps....................................................................... 289
Startup configuration changes and SNMP traps......................................................................... 289
snmp-server enable traps startup-config-change.............................................................290
Source IP address for SNMP notifications.................................................................................. 291
snmp-server response-source..........................................................................................291
snmp-server trap-source.................................................................................................. 292
SNMP replies and traps configuration.........................................................................................293
SNMP notification configuration.................................................................................................. 293
show snmp-server............................................................................................................ 293
Assign users to groups................................................................................................................294
snmpv3 group...................................................................................................................294
snmp-server community..............................................................................................................295
Community names and values....................................................................................................296
Enabling or disabling notification/traps for network security failures and other security events
(CLI)............................................................................................................................................ 297
Viewing the current configuration for network security notifications (CLI)...................................298
Link-Change Traps......................................................................................................................299
snmp-server enable traps link-change............................................................................. 299
Viewing SNMP notification configuration (CLI)............................................................................299
Listening mode............................................................................................................................300
snmp-server listen............................................................................................................ 300
CDP configuration..................................................................................................................................301
CDP mode...................................................................................................................................301
cdp moden........................................................................................................................301
CDPv2 for voice transmission..................................................................................................... 301
cdp mode pre-standard-voice...........................................................................................302
CDP operation on individual ports...............................................................................................303
cdp enable........................................................................................................................303
CDP Operation............................................................................................................................304
cdp run............................................................................................................................. 304
CDP information filter.................................................................................................................. 304
CDP switch configuration view....................................................................................................304
show cdp.......................................................................................................................... 304
CDP neighbors switch table view................................................................................................305
show cdp neighbors......................................................................................................... 305
LLDP configuration................................................................................................................................ 306
LLDP and CDP data management..............................................................................................306
LLDP and CDP neighbor data..........................................................................................306
CDP operations................................................................................................................ 307
LLDP........................................................................................................................................... 307
LLDP operations...............................................................................................................308
Packet boundaries in a network topology.........................................................................308
LLDP operation configuration options.............................................................................. 308
Transmit and receive mode.............................................................................................. 309
Options for reading LLDP information collected by the switch......................................... 311
LLDP and LLDP-MED standards compatibility.................................................................311
Port trunking..................................................................................................................... 311
IP address advertisements............................................................................................... 311
Spanning-tree blocking.....................................................................................................312
802.1X blocking................................................................................................................312
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LLDP operation on the switch.......................................................................................... 312
Time-to-Live for transmitted advertisements.................................................................... 312
Delay interval between advertisements............................................................................312
Re-initialize delay interval.................................................................................................313
SNMP notification support................................................................................................313
Changing the minimum interval........................................................................................313
Basic LLDP per-port advertisement content.....................................................................313
Port VLAN ID TLV support on LLDP.................................................................................314
LLDP-MED.................................................................................................................................. 314
LLDP-MED classes.......................................................................................................... 316
LLDP-MED operational support....................................................................................... 316
Configuring per-port transmit and receive modes....................................................................... 316
lldp admin-status.............................................................................................................. 317
Remote management address for outbound LLDP advertisements........................................... 317
lldp config ipAddrEnable...................................................................................................317
lldp config basicTlvEnable................................................................................................318
Port speed and duplex advertisement support............................................................................318
lldp config dot3TlvEnable................................................................................................. 319
Location data for LLDP-MED devices......................................................................................... 319
lldp config medPortLocation............................................................................................. 319
LLDP data change notification for SNMP trap receivers.............................................................320
lldp enable-notification......................................................................................................320
LLDP operation on the switch..................................................................................................... 321
lldp run..............................................................................................................................321
LLDP-MED fast start control....................................................................................................... 321
lldp fast-start-count...........................................................................................................321
Changing the packet transmission interval................................................................................. 322
lldp refresh-interval...........................................................................................................322
Changing the time-to-live for transmitted advertisements...........................................................322
lldp holdtime-multiplier......................................................................................................322
Delay interval ............................................................................................................................. 322
set mib lldpTxDelay.0....................................................................................................... 323
Changing the reinitialization delay interval..................................................................................323
setmib lldpReinitDelay.0................................................................................................... 323
PVID mismatch log messages.................................................................................................... 324
logging filter...................................................................................................................... 324
Viewing port configuration details................................................................................................324
show lldp config................................................................................................................324
Available switch information available outbound advertisements............................................... 325
show lldp info local-device................................................................................................325
LLDP statistics............................................................................................................................ 327
show lldp stats..................................................................................................................327
Global LLDP, port admin, and SNMP notification status............................................................. 329
show lldp config................................................................................................................329
LLDP-MED connects and disconnects—topology change notification....................................... 329
lldp top-change-notify....................................................................................................... 330
Device capability, network policy, PoE status and location data................................................. 330
Network policy advertisements.........................................................................................330
Policy elements................................................................................................................ 331
PoE advertisements......................................................................................................... 331
Location data for LLDP-MED devices.............................................................................. 332
Viewing the current port speed and duplex configuration................................................ 334
Viewing LLDP statistics.................................................................................................... 334
LLDP over OOBM............................................................................................................ 334
LLDP operating notes.......................................................................................................339
Advertisements currently in the neighbors MIB...........................................................................340
show lldp info remote-device............................................................................................340
Contents 13

PoE advertisements.................................................................................................................... 341
show lldp info remote-device............................................................................................342
show power...................................................................................................................... 342
Overview................................................................................................................................................ 342
Commands.............................................................................................................................................342
[no] lldp config basicTlvEnable management_addr.................................................................... 342
lldp config.................................................................................................................................... 343
Show commands................................................................................................................................... 343
TVL configuration...................................................................................................................................344
VLAN ID TLV...............................................................................................................................344
lldp config dot1T1vEnable................................................................................................ 344
Advertised TLVs.......................................................................................................................... 344
show lldp config................................................................................................................344
TLVs controlled by medTLvEnable..............................................................................................346
lldp config medTlvEnable................................................................................................. 346
Generic header ID in configuration file...................................................................................................347
DHCP auto deployment.............................................................................................................. 347
Add-Ignore-Tag option.................................................................................................................347
Configuration commands for the add-ignore-tag option..............................................................348
Show logging commands for the add-ignore-tag option..............................................................348
Exclusions................................................................................................................................... 348
Chapter 10 DHCPv4 server..........................................................................349
Overview................................................................................................................................................ 349
IP pools.................................................................................................................................................. 349
DHCP options........................................................................................................................................ 349
BootP support........................................................................................................................................ 349
Authoritative server and support for DHCP inform packets................................................................... 349
Authoritative pools................................................................................................................................. 350
Authoritative dummy pools.....................................................................................................................350
Change in server behavior.....................................................................................................................350
DHCPv4 configuration commands.........................................................................................................351
DHCPv4 server........................................................................................................................... 351
dhcp-server...................................................................................................................... 351
DHCP address pool name.......................................................................................................... 351
dhcp-server pool...............................................................................................................351
Authoritative..................................................................................................................... 353
DHCP client boot file................................................................................................................... 353
bootfile-name ...................................................................................................................353
DHCP client default router.......................................................................................................... 353
default-router.................................................................................................................... 353
DNS IP servers .......................................................................................................................... 353
dns-server........................................................................................................................ 354
Configure a domain name...........................................................................................................354
domain-name................................................................................................................... 354
Configure lease time................................................................................................................... 354
lease.................................................................................................................................354
NetBIOS WINS servers...............................................................................................................354
NetBIOS node type..................................................................................................................... 355
net bios-ode-type..............................................................................................................355
Subnet and mask ....................................................................................................................... 355
network.............................................................................................................................355
DHCP server options.................................................................................................................. 355
Configure DHCP server options....................................................................................... 355
IP address range.........................................................................................................................357
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range................................................................................................................................ 357
Static bindings.............................................................................................................................357
static-bind......................................................................................................................... 357
TFTP server domain name......................................................................................................... 357
tftp-server......................................................................................................................... 358
Configure the TFTP server address............................................................................................358
tftp-server......................................................................................................................... 358
Number of ping packets.............................................................................................................. 358
dhcp-server ping...............................................................................................................358
Save DHCP server automatic bindings.......................................................................................359
dhcp-server database.......................................................................................................359
DHCP server and SNMP notifications.........................................................................................359
snmp-server enable traps.................................................................................................359
Conflict logging on a DHCP server............................................................................................. 359
dhcp-server conflict-logging............................................................................................. 360
Enable the DHCP server on a VLAN.......................................................................................... 360
dhcp-server...................................................................................................................... 360
Clear commands......................................................................................................................... 360
clear dhcp-server conflicts................................................................................................360
Reset all DHCP server and BOOTP counters.............................................................................360
clear dhcp-server statistics...............................................................................................360
Delete an automatic address binding..........................................................................................361
clear dhcp-server statistics...............................................................................................361
Show commands................................................................................................................................... 361
show dhcp-server........................................................................................................................361
Event log................................................................................................................................................ 362
Event Log Messages...................................................................................................................362
Chapter 11 DHCPv6 server.......................................................................... 365
DHCPv6 hardware address................................................................................................................... 365
DHCPv6 snooping and relay..................................................................................................................365
dhcpv6–snooping........................................................................................................................ 365
dhcpv6 snooping trust................................................................................................................. 366
dhcpv6–snooping authorized-server........................................................................................... 367
ddhcpv6–snooping database file.................................................................................................367
dhcpv6–snooping max-bindings..................................................................................................368
dhcpv6–relay option 79............................................................................................................... 369
snmp-server enable traps dhcpv6-snooping............................................................................... 369
clear dhcpv6–snooping stats.......................................................................................................370
debug security dhcpv6–snooping................................................................................................370
ipv6 source-lockdown ethernet................................................................................................... 370
ipv6 source-binding..................................................................................................................... 372
snmp-server enable traps dyn-ipv6-lockdown.............................................................................373
debug security dynamic-ipv6-lockdown...................................................................................... 374
Show commands for DHCPv6–snooping...............................................................................................374
show dhcpv6-snooping............................................................................................................... 374
show dhcpv6 snooping bindings................................................................................................. 374
show dhcpv6 snooping statistics.................................................................................................374
show ipv6 source-lockdown........................................................................................................ 375
show ipv6 source-lockdown status .............................................................................................375
show snmp-server traps..............................................................................................................376
show distributed-trunking consistency-parameters..................................................................... 376
show distributed-trunking consistency-parameters..................................................................... 377
show dhcpv6 relay...................................................................................................................... 378
DHCPv6 event log................................................................................................................................. 379
Contents 15

DHCPv6 event messages......................................................................................................................383
Chapter 12 Zero Touch Provisioning with AirWave and Central............. 385
ZTP with AirWave.................................................................................................................................. 385
DHCP-based ZTP with AirWave................................................................................................. 385
Configuring DHCP-based ZTP with AirWave................................................................... 386
DHCP server configuration for DHCP based ZTP............................................................387
Limitations................................................................................................................................... 401
Best Practices............................................................................................................................. 401
Configure AirWave details manually........................................................................................... 401
amp-server....................................................................................................................... 402
debug ztp..........................................................................................................................404
Stacking support......................................................................................................................... 404
Disabling ZTP..............................................................................................................................404
Image Upgrade........................................................................................................................... 405
Troubleshooting...........................................................................................................................405
AMP server messages..................................................................................................... 405
Activate based ZTP with AirWave............................................................................................... 405
Configuring Activate-based ZTP with AirWave.................................................................405
IPsec for AirWave Connectivity..............................................................................................................406
Overview..................................................................................................................................... 406
IPsec for Management Traffic.......................................................................................... 406
IPsec Tunnel Establishment............................................................................................. 407
IPsec Tunnel Failures.......................................................................................................408
IPsec tunnel to secondary controller................................................................................ 408
AirWave IP after discovery............................................................................................... 411
Configuring the Aruba controller.......................................................................................411
AirWave Controller IP configuration commands..........................................................................411
aruba-vpn type........................................................................................................... 411
Show commands.........................................................................................................................412
show aruba-vpn................................................................................................................412
show ip route.................................................................................................................... 413
show interfaces tunnel aruba-vpn.................................................................................... 413
show crypto-ipsec sa........................................................................................................414
show running-configuration.............................................................................................. 415
ZTP with Aruba Central..........................................................................................................................416
LED Blink feature........................................................................................................................ 417
Aruba Central Configuration manually........................................................................................ 417
Activating ArubaOS-Switch Firmware Integration............................................................ 417
activate software-update enable...................................................................................... 418
activate software-update check........................................................................................418
activate software-update update...................................................................................... 419
show activate software-update.........................................................................................419
Show activate provision....................................................................................................420
aruba-central.................................................................................................................... 422
Troubleshooting...........................................................................................................................423
Show aruba-central.......................................................................................................... 423
Error reason for Aruba Central......................................................................................... 424
debug ztp..........................................................................................................................426
Error Reason log for Activate Provision........................................................................... 426
Stacking support......................................................................................................................... 427
Fault finder switch events............................................................................................................427
interface device-type network-device.......................................................................427
HTTP Proxy support with ZTP overview................................................................................................ 428
e Proxy Configuration..................................................................................................................428
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proxy server.......................................................................................................................... 434
proxy exception ip | host.............................................................................................. 434
show proxy config................................................................................................................435
Chapter 13 File transfers............................................................................. 436
File transfer methods............................................................................................................................. 436
TFTP...................................................................................................................................................... 436
Prerequisites............................................................................................................................... 436
Downloading switch software......................................................................................................436
copy tftp flash................................................................................................................... 437
boot system flash............................................................................................................. 437
reload............................................................................................................................... 437
Enabling tftp................................................................................................................................ 438
tftp ................................................................................................................................... 438
Automatic software download from a TFTP server..................................................................... 439
auto-tftp............................................................................................................................ 439
Downloading to primary flash using TFTP.................................................................................. 440
Disabling TFTP and auto-TFTP for enhanced security...............................................................441
Enabling SSH V2 (required for SFTP)..............................................................................443
Authentication...................................................................................................................444
Troubleshooting SSH, SFTP, and SCP operations.......................................................... 445
Use USB to transfer files to and from the switch..............................................................446
SCP and SFTP...................................................................................................................................... 447
Enabling SCP and SFTP.............................................................................................................447
Using SCP and SFTP................................................................................................................. 447
Xmodem.................................................................................................................................................448
Downloading software using Xmodem........................................................................................448
Prerequisites.................................................................................................................... 449
Downloading to Flash.......................................................................................................449
Downloading to primary flash using Xmodem (Menu)................................................................ 450
USB........................................................................................................................................................451
Downloading switch software using USB....................................................................................451
Enable or disable the USB port........................................................................................ 451
Prerequisites.................................................................................................................... 451
USB port status........................................................................................................................... 451
show usb-port............................................................................................................. 451
......................................................................................................................................... 452
Switch to Switch.....................................................................................................................................452
Switch-to-switch download..........................................................................................................452
OS download from another switch................................................................................... 452
copy tftp flash................................................................................................................... 453
copy tftp flash os ............................................................................................................. 453
Copying..................................................................................................................................................454
Software images......................................................................................................................... 454
copy flash tftp................................................................................................................... 454
copy flash xmodem.......................................................................................................... 454
Copying using USB.......................................................................................................... 455
Copying diagnostic data to a remote host, USB device, PC, or UNIX workstation..................... 455
copy command-output......................................................................................................455
copy command-log........................................................................................................... 456
copy event-log.................................................................................................................. 456
copy crash-data................................................................................................................457
copy crash-data (redundant management)...................................................................... 457
copy crash-log.................................................................................................................. 458
copy crash-log (redundant management)........................................................................ 458
Contents 17

copy core-dump (standby module)..............................................................................................459
copy fdr-log.......................................................................................................................460
Copy diagnostic data to a remote host, USB device, PC or UNIX workstation...........................460
Transferring............................................................................................................................................460
Switch configuration transfer.......................................................................................................461
TFTP ............................................................................................................................... 461
Xmodem .......................................................................................................................... 463
USB.................................................................................................................................. 464
ACL command file transfer..........................................................................................................465
tftp.................................................................................................................................... 465
Xmodem........................................................................................................................... 466
USB.................................................................................................................................. 467
Switch software download..................................................................................................................... 467
Switch software download rules..................................................................................................468
TFTP download failures................................................................................................... 468
Single copy command............................................................................................................................469
copy source.................................................................................................................................469
copy crash-files........................................................................................................................... 472
copy crash-files member............................................................................................................. 472
copy crash-files crash-file-options...............................................................................................473
Chapter 14 Monitoring and Analyzing Switch Operation......................... 474
Switch and network operations.............................................................................................................. 474
Status and counters data....................................................................................................................... 474
show system .............................................................................................................................. 474
chassislocate....................................................................................................................475
Chassislocate at startup................................................................................................... 476
Collecting processor data with the task monitor..........................................................................477
task-monitor cpu...............................................................................................................477
Switch management address information access.......................................................................477
show management........................................................................................................... 477
Component information views.....................................................................................................477
show modules.................................................................................................................. 478
Compatibility mode for v2 zl and zl modules..........................................................................................479
allow-v1-modules........................................................................................................................ 479
Port status..............................................................................................................................................480
show interfaces brief................................................................................................................... 480
Accessing port and trunk group statistics.............................................................................................. 480
Trunk bandwidth utilization..........................................................................................................480
show interfaces......................................................................................................... 480
show interfaces trunk-utilization.................................................................. 482
Statistic interactions of interface counters........................................................................483
Reset port counters.....................................................................................................................484
clear statics............................................................................................................. 484
MAC address tables...............................................................................................................................485
MAC address views and searches..............................................................................................485
show mac-address.......................................................................................................485
show mac-add detail................................................................................................ 486
show mac-address <MAC-ADDRESS> detail..........................................................487
Using the menu to view and search MAC addresses.......................................................487
Finding the port connection for a specific device on a VLAN........................................... 488
Viewing and searching port-level MAC addresses...........................................................489
Determining whether a specific device is connected to the selected port........................ 490
MSTP data............................................................................................................................................. 490
show spanning-tree.....................................................................................................................490
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IP IGMP status.......................................................................................................................................491
show ip igmp............................................................................................................................... 491
VLAN information...................................................................................................................................493
show vlan.................................................................................................................................... 493
WebAgent status information.................................................................................................................495
Configuring local mirroring..................................................................................................................... 495
Local mirroring sessions............................................................................................................. 496
Traffic-direction criteria................................................................................................................496
interface monitor all.......................................................................................................... 496
ACL criteria for inbound traffic — deprecated............................................................................. 496
interface monitor ip...........................................................................................................497
Mirror policy for inbound traffic....................................................................................................497
class [ipv4|ipv6]................................................................................................................ 497
policy mirror......................................................................................................................497
MAC-based criteria to select traffic............................................................................................. 497
monitor mac......................................................................................................................497
Remote mirroring destination on a remote switch..................................................................................498
Remote mirroring destination on a local switch..................................................................................... 498
mirror remote ip...........................................................................................................................498
Local mirroring destination on the local switch...................................................................................... 498
mirror port....................................................................................................................................498
Monitored traffic..................................................................................................................................... 498
interface...................................................................................................................................... 499
monitor all....................................................................................................................................499
service-policy.............................................................................................................................. 499
Configuring local mirroring (Menu).........................................................................................................499
Destination mirror on a remote switch................................................................................................... 501
mirror endpoint............................................................................................................................ 501
Source mirror on the local switch...........................................................................................................502
mirror remote ip...........................................................................................................................502
Traffic-direction criteria...........................................................................................................................502
Configure ACL criteria to select inbound............................................................................................... 502
interface monitor ip access-group............................................................................................... 502
Mirror policy for inbound traffic...............................................................................................................502
class [ipv4|ipv6]...........................................................................................................................502
policy mirror.................................................................................................................................503
Configuring a destination switch in a remote mirroring session.............................................................503
Configuring a source switch in a local mirroring session....................................................................... 504
Configuring a source switch in a remote mirroring session................................................................... 504
Selecting all traffic on a port interface for mirroring according to traffic direction...................................506
Selecting all traffic on a VLAN interface for mirroring according to traffic direction............................... 507
Configuring a MAC address to filter mirrored traffic on an interface...................................................... 507
Configuring classifier-based mirroring................................................................................................... 508
Applying a mirroring policy on a port or VLAN interface............................................................. 510
Viewing a classifier-based mirroring configuration.................................................................................510
Viewing all mirroring sessions configured on the switch........................................................................ 511
Viewing the remote endpoints configured on the switch........................................................................512
Viewing the mirroring configuration for a specific session..................................................................... 513
Viewing a remote mirroring session.......................................................................................................514
Viewing a MAC-based mirroring session............................................................................................... 515
Viewing a local mirroring session...........................................................................................................515
Viewing information on a classifier-based mirroring session................................................................. 516
Viewing information about a classifier-based mirroring configuration....................................................516
Viewing information about a classifier-based mirroring configuration....................................................517
Viewing information about statistics on one or more mirroring policies................................................. 517
Viewing resource usage for mirroring policies....................................................................................... 518
Viewing the mirroring configurations in the running configuration file....................................................519
Contents 19

Compatibility mode................................................................................................................................ 520
Port and trunk group statistics and flow control status...........................................................................521
Traffic mirroring overview.......................................................................................................................521
Mirroring overview.......................................................................................................................521
Mirroring destinations..................................................................................................................522
Mirroring sources and sessions.................................................................................................. 522
Mirroring sessions....................................................................................................................... 522
Mirroring session limits.....................................................................................................523
Selecting mirrored traffic...................................................................................................523
Mirrored traffic destinations.........................................................................................................523
Local destinations.............................................................................................................523
Remote destinations.........................................................................................................524
Monitored traffic sources.............................................................................................................524
Criteria for selecting mirrored traffic............................................................................................ 524
Mirroring configuration................................................................................................................ 524
Remote mirroring endpoint and intermediate devices.................................................................525
Migration to release K.12.xx........................................................................................................525
Booting from software versions earlier than K.12.xx........................................................ 525
Maximum supported frame size....................................................................................... 525
Frame truncation.............................................................................................................. 525
Migration to release K.14.01 or greater.......................................................................................526
Using the Menu to configure local mirroring.......................................................................................... 526
Menu and WebAgent limits......................................................................................................... 526
Remote mirroring overview.................................................................................................................... 527
Quick reference to remote mirroring setup..................................................................................527
High-level overview of the mirror configuration process........................................................................ 528
Determine the mirroring session and destination........................................................................528
For a local mirroring session............................................................................................ 528
For a remote mirroring session........................................................................................ 528
Configure a mirroring destination on a remote switch.................................................................528
Configure a destination switch in a remote mirroring session.......................................... 529
Configure a mirroring session on the source switch................................................................... 529
Configure a source switch in a remote mirroring session.................................................529
Configure the monitored traffic in a mirror session......................................................................529
Traffic selection options....................................................................................................529
Mirroring-source restrictions.............................................................................................530
About selecting all inbound/outbound traffic to mirror............................................................................530
Untagged mirrored packets.........................................................................................................530
About using SNMP to configure no-tag-added ........................................................... 531
Operating notes................................................................................................................531
About selecting inbound traffic using an ACL (deprecated)........................................................ 532
About selecting inbound/outbound traffic using a MAC address.................................................532
About selecting inbound traffic using advanced classifier-based mirroring.................................533
Classifier-based mirroring configuration................................................................................................ 534
Classifier-based mirroring restrictions.........................................................................................536
About applying multiple mirroring sessions to an interface......................................................... 537
Mirroring configuration examples................................................................................................ 538
Maximum supported frame size.............................................................................................................542
Enabling jumbo frames to increase the mirroring path MTU.......................................................542
Effect of downstream VLAN tagging on untagged, mirrored traffic........................................................ 543
Operating notes for traffic mirroring.............................................................................................543
Troubleshooting traffic mirroring............................................................................................................ 545
Chapter 15 Virtual Technician..................................................................... 546
Cisco Discovery Protocol (CDP)............................................................................................................ 546
20 Aruba 3810 / 5400R Management and Configuration Guide for
ArubaOS-Switch 16.08