Allied Telesis AT-GS950/48 User manual

613-001806 Rev B
AT-GS950/48
Gigabit Ethernet Switch
AT-GS950/48 Web Interface User Guide
AT-S116 Version 2.0.0 [1.00.004]

Copyright ©2014 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis,
Inc.
Allied Telesis and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names,
company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective
owners.
Allied Telesis, Inc. reserves the right to make changes in specifications and other information contained in this document
without prior written notice. The information provided herein is subject to change without notice. In no event shall Allied
Telesis, Inc. be liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited
to lost profits, arising out of or related to this manual or the information contained herein, even if Allied Telesis, Inc. has
been advised of, known, or should have known, the possibility of such damages.

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Contents
List of Figures ................................................................................................................................................ 11
List of Tables ................................................................................................................................................. 15
Preface ............................................................................................................................................................ 17
Document Conventions.............................................................................................................................. 18
Allied Telesis Contact Information.............................................................................................................. 19
Getting Started ................................................................................................................................................ 21
Chapter 1: Starting a Web Browser Session ................................................................................................ 23
Establishing a Remote Connection to the Web Browser Interface ............................................................ 24
Web Browser Tools.................................................................................................................................... 27
Quitting a Web Browser Management Session ......................................................................................... 28
Chapter 2: System Configuration .................................................................................................................. 29
System Management Information.............................................................................................................. 30
Configuration of IPv4 Address, Subnet Mask and Gateway Address........................................................ 32
IPv6 System Configuration......................................................................................................................... 34
IPv6 Neighbor Configuration...................................................................................................................... 36
Create an IPv6 Neighbor List .............................................................................................................. 36
Delete an IPv6 Neighbor Entry............................................................................................................ 37
Find an IPv6 Neighbor......................................................................................................................... 37
IP Access List Configuration...................................................................................................................... 40
Create an IP Access List ..................................................................................................................... 40
Delete an IP Address List Entry........................................................................................................... 41
User Name and Password Configuration................................................................................................... 42
Add New User Name and Password................................................................................................... 42
Modify User Name and Password....................................................................................................... 43
Delete User Name and Password ....................................................................................................... 44
User Interface Configuration...................................................................................................................... 45
SNMP Interface ................................................................................................................................... 45
User Interface Timeout........................................................................................................................ 46
Group Interval...................................................................................................................................... 46
System Time.............................................................................................................................................. 47
Manually Setting System Time............................................................................................................ 47
Setting SNTP....................................................................................................................................... 48
Setting Daylight Savings Parameters.................................................................................................. 49
SSL Settings .............................................................................................................................................. 50
Configuring SSL .................................................................................................................................. 50
DHCP and ATI Web Discovery Tool.......................................................................................................... 52
DHCP Client Configuration ........................................................................................................................ 53
Activate or Deactivate DCHP for IPv4................................................................................................. 53
Activate or Deactivate DCHP for IPv6................................................................................................. 54
DHCP Auto Configuration.......................................................................................................................... 56
System Information Display ....................................................................................................................... 57
System Log Configuration.......................................................................................................................... 60

Contents
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Bridge Configuration ........................................................................................................................................63
Chapter 3: Port Configuration ........................................................................................................................65
Overview.....................................................................................................................................................66
Displaying and Configuring Ports...............................................................................................................67
Chapter 4: STP and RSTP ............................................................................................................................71
Overview.....................................................................................................................................................72
Bridge Priority and the Root Bridge......................................................................................................73
Forwarding Delay and Topology Changes...........................................................................................75
Mixed STP and RSTP Networks..........................................................................................................78
Spanning Tree and VLANs ..................................................................................................................78
STP and RSTP Global Settings..................................................................................................................81
STP and RSTP Port Settings .....................................................................................................................84
Chapter 5: Multiple Spanning Tree Protocol .................................................................................................87
MSTP Global Settings................................................................................................................................88
Generic MSTP Port Settings ......................................................................................................................91
MST Settings..............................................................................................................................................94
Open MST Settings Page ....................................................................................................................94
Specify Region and Revision Level......................................................................................................94
Create VLAN Mapping to MST Instance..............................................................................................95
Modify MST Instance ...........................................................................................................................95
Delete MST Instance............................................................................................................................95
MST Port Settings ......................................................................................................................................96
Instance Information...................................................................................................................................98
Chapter 6: Static Port Trunking .....................................................................................................................99
Overview...................................................................................................................................................100
Create a Port Trunk..................................................................................................................................103
Modify a Port Trunk..................................................................................................................................105
Disable a Port Trunk.................................................................................................................................107
Chapter 7: LACP Port Trunks ......................................................................................................................109
Overview...................................................................................................................................................110
System Priority .........................................................................................................................................111
Port Priority Value.....................................................................................................................................112
General Guidelines...................................................................................................................................113
Group Status ............................................................................................................................................115
Configuration Example.......................................................................................................................116
Port Priority Configuration ........................................................................................................................118
Chapter 8: Port Mirroring .............................................................................................................................119
Overview...................................................................................................................................................120
Port Mirroring Configuration .....................................................................................................................121
Disable Port Mirroring...............................................................................................................................123
Chapter 9: Loopback Protection ..................................................................................................................125
Configuration............................................................................................................................................126
Status .......................................................................................................................................................128
Chapter 10: MAC Address Table ................................................................................................................129
Overview...................................................................................................................................................130
Static Unicast MAC Address Configuration..............................................................................................132
Modify Static Unicast Address..................................................................................................................134
Delete Static Unicast Address..................................................................................................................135
Static Multicast Address Configuration.....................................................................................................136
Modify Static Multicast Address................................................................................................................139
Delete Static Multicast Address................................................................................................................140

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Chapter 11: IGMP Snooping ....................................................................................................................... 141
Overview.................................................................................................................................................. 142
IGMP Snooping Configuration ................................................................................................................. 144
IGMP Snooping Router Port Modification................................................................................................ 147
Chapter 12: Storm Control .......................................................................................................................... 149
Overview.................................................................................................................................................. 150
Ingress Rate Limiting......................................................................................................................... 151
Egress Rate Limiting ......................................................................................................................... 151
Configuration............................................................................................................................................ 152
Ingress Rate Limiting ............................................................................................................................... 154
Egress Rate Limiting................................................................................................................................ 156
Chapter 13: Virtual LANs ............................................................................................................................ 157
VLAN Overview........................................................................................................................................ 158
Port-based VLAN Overview............................................................................................................... 159
Tagged VLAN Overview.................................................................................................................... 160
Private VLAN Overview..................................................................................................................... 162
Assign Ports to a VLAN Mode.................................................................................................................. 164
Tagged VLAN Configuration.................................................................................................................... 166
Create a Tagged VLAN ..................................................................................................................... 166
Modify a Tagged VLAN ..................................................................................................................... 168
Delete a Tagged VLAN...................................................................................................................... 171
Tagged VLAN Port Settings..................................................................................................................... 172
Port-Based VLAN Configuration .............................................................................................................. 174
Create a Port-Based VLAN ............................................................................................................... 174
Modify a Port-Based VLAN................................................................................................................ 175
Delete a Port-Based VLAN................................................................................................................ 176
Select MAC Address Forwarding Table Mode......................................................................................... 177
View Dynamic Forwarding Table ............................................................................................................. 178
Private VLAN Configuration..................................................................................................................... 180
Enable or Disable Private VLAN........................................................................................................ 180
Create a Private VLAN ...................................................................................................................... 181
Modify a Private VLAN ...................................................................................................................... 182
Delete a Private VLAN....................................................................................................................... 182
View Current VLAN Database.................................................................................................................. 183
Chapter 14: GVRP ...................................................................................................................................... 185
Overview and Guidelines......................................................................................................................... 186
General Configuration.............................................................................................................................. 187
Port Settings............................................................................................................................................. 188
Time Settings........................................................................................................................................... 190
Chapter 15: Quality of Service and Class of Service .................................................................................. 193
Overview.................................................................................................................................................. 194
Packet Priority ................................................................................................................................... 194
Egress Queue vs Packet Priority Mapping........................................................................................ 195
Prioritizing Untagged Packets ........................................................................................................... 196
Scheduling......................................................................................................................................... 196
Mapping CoS Priorities to Egress Queues............................................................................................... 198
Associate Ports to CoS Priorities............................................................................................................. 200
Associate DSCP Classes to Egress Queues........................................................................................... 201
Queue Scheduling Algorithm ................................................................................................................... 203
IPv6 Traffic Class Mapping...................................................................................................................... 204
Enable or Disable IPv6 Traffic Class Mapping .................................................................................. 204
Create IPv6 Traffic Class Entries ...................................................................................................... 205
Delete an IPv6 Traffic Class Entry..................................................................................................... 206

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Advanced Features ........................................................................................................................................207
Chapter 16: SNMPv1 and v2c .....................................................................................................................209
SNMPv1 and SNMPv2c Overview ...........................................................................................................210
Trap Receiver Attributes...........................................................................................................................211
Activate SNMP Interface ..........................................................................................................................212
SNMPv1 and SNMPv2c User and Group Names ....................................................................................213
Create User and Group Names .........................................................................................................213
Modify User and Group Names..........................................................................................................215
Delete User and Group Names..........................................................................................................215
SNMP Community Strings........................................................................................................................216
Create SNMP Community Strings......................................................................................................216
Modify SNMP Community Strings......................................................................................................217
Delete SNMP Community Strings......................................................................................................217
SNMP Traps.............................................................................................................................................219
Create Trap Host Table Entry............................................................................................................219
Modify a Trap Host Table Entry .........................................................................................................220
Delete a Trap Host Table Entry..........................................................................................................221
Chapter 17: SNMPv3 ..................................................................................................................................223
Overview...................................................................................................................................................224
SNMPv3 Authentication Protocols.....................................................................................................224
SNMPv3 Privacy Protocol..................................................................................................................225
SNMPv3 MIB Views...........................................................................................................................225
SNMPv3 Configuration Process.........................................................................................................226
SNMPv3 User and Group Names ............................................................................................................228
Creating SNMPv3 User and Group Names .......................................................................................228
Modifying SNMPv3 User and Group Names......................................................................................229
Deleting SNMPv3 User and Group Names........................................................................................230
SNMPv3 View Names..............................................................................................................................231
Creating SNMPv3 View Names.........................................................................................................231
Modifying SNMPv3 View Names .......................................................................................................233
Deleting SNMPv3 View Names..........................................................................................................233
SNMPv3 View Table.................................................................................................................................234
Creating SNMPv3 View Table Entries ...............................................................................................234
Modifying SNMPv3 View Table Entries..............................................................................................235
Deleting SNMPv3 View Table Entries................................................................................................235
SNMPv3 Traps.........................................................................................................................................237
SNMP Engine ID ......................................................................................................................................238
Modifying SNMP Engine ID................................................................................................................238
Resetting SNMP Engine ID................................................................................................................238
Chapter 18: Access Control Configuration ..................................................................................................241
Overview...................................................................................................................................................242
Policy Settings..........................................................................................................................................243
Create a Policy...................................................................................................................................243
Change a Policy Status......................................................................................................................247
Modify a Policy...................................................................................................................................248
Delete a Policy...................................................................................................................................249
View Specific Classifier Details..........................................................................................................250
Rate Control Settings ...............................................................................................................................251
Create a Rate Control Entry...............................................................................................................251
Modify the Committed Rate................................................................................................................252
Delete a Rate Control Entry...............................................................................................................253
Policy Database........................................................................................................................................254
Display Policy Sequence....................................................................................................................254

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Display Specific Policy Information.................................................................................................... 255
Chapter 19: RMON ..................................................................................................................................... 257
Overview.................................................................................................................................................. 258
Enable and Disable RMON...................................................................................................................... 259
Port Statistics........................................................................................................................................... 260
Histories................................................................................................................................................... 262
Events...................................................................................................................................................... 264
Alarms...................................................................................................................................................... 266
Chapter 20: Voice VLAN ............................................................................................................................. 271
Overview.................................................................................................................................................. 272
CoS with Voice VLAN........................................................................................................................ 272
Organization Unique Identifier (OUI) ................................................................................................. 272
Dynamic Auto-Detection vs Static Ports............................................................................................ 273
General Guidelines .................................................................................................................................. 275
Configuration............................................................................................................................................ 276
OUI Setting............................................................................................................................................... 279
Create OUI Setting ............................................................................................................................ 279
Modify OUI Setting ............................................................................................................................ 280
Delete OUI Setting............................................................................................................................. 280
Chapter 21: Security ................................................................................................................................... 281
Port Access Control ................................................................................................................................. 282
Port Access Control Overview........................................................................................................... 282
Port Access Control Configuration .................................................................................................... 283
RADIUS Client ......................................................................................................................................... 288
RADIUS Overview............................................................................................................................. 288
General Guidelines............................................................................................................................ 288
RADIUS Client Configuration ............................................................................................................ 289
RADIUS Accounting Status............................................................................................................... 290
TACACS+ ................................................................................................................................................ 291
TACACS+ Overview.......................................................................................................................... 291
General Guidelines............................................................................................................................ 291
TACACS+ Configuration.................................................................................................................... 292
Dial-in User— Local Authentication ......................................................................................................... 294
Dial-In User Overview........................................................................................................................ 294
Dial-in User Configuration ................................................................................................................. 294
Destination MAC Filter............................................................................................................................. 297
Destination MAC Filter Overview....................................................................................................... 297
Destination MAC Filter Configuration ................................................................................................ 297
Delete Destination MAC Filter ........................................................................................................... 298
Chapter 22: DHCP Snooping ...................................................................................................................... 301
Overview.................................................................................................................................................. 302
Trusted Ports..................................................................................................................................... 302
Untrusted Ports.................................................................................................................................. 302
Unauthorized DHCP Servers............................................................................................................. 302
DHCP with Option 82 ........................................................................................................................ 303
General Guidelines .................................................................................................................................. 304
General Configuration.............................................................................................................................. 305
Enabling DHCP Snooping ................................................................................................................. 305
Configuring DHCP Snooping General Settings................................................................................. 306
VLAN Setting............................................................................................................................................ 308
Creating a VLAN................................................................................................................................ 308
Modifying a VLAN.............................................................................................................................. 309
Deleting a VLAN................................................................................................................................ 309

Contents
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Trusted and Untrusted Port Configuration................................................................................................310
Binding Database.....................................................................................................................................312
Static IP Addresses............................................................................................................................312
Viewing...............................................................................................................................................313
Chapter 23: LLDP .......................................................................................................................................315
Overview...................................................................................................................................................316
Global Configuration.................................................................................................................................317
Enabling or Disabling LLDP...............................................................................................................318
Displaying System Information...........................................................................................................319
Setting Port States.............................................................................................................................319
Neighbors Information..............................................................................................................................321
Chapter 24: Network Statistics ....................................................................................................................323
Overview...................................................................................................................................................324
Traffic Comparison Statistics....................................................................................................................325
Error Group Statistics ...............................................................................................................................329
Historical Status Statistics ........................................................................................................................331
Tools ..............................................................................................................................................................335
Chapter 25: Software/Configuration Updates .............................................................................................337
Overview...................................................................................................................................................338
Upgrade Firmware Image via HTTP.........................................................................................................339
Upgrade Firmware Image via TFTP .........................................................................................................341
Download or Upload a Configuration File via HTTP.................................................................................343
Configuration File Download..............................................................................................................344
Configuration File Upload...................................................................................................................345
Download or Upload a Configuration File via TFTP .................................................................................347
Configuration File Download..............................................................................................................347
Configuration File Upload...................................................................................................................348
Chapter 26: Cable Diagnostics ...................................................................................................................349
Chapter 27: LED ECO Mode .......................................................................................................................351
Enable LED ECO Mode............................................................................................................................352
Disable LED ECO Mode...........................................................................................................................353
Chapter 28: Energy-Efficient Ethernet ........................................................................................................355
Enable EEE..............................................................................................................................................356
Disable EEE .............................................................................................................................................357
Chapter 29: Rebooting the Switch ..............................................................................................................359
Switch Reboot ..........................................................................................................................................360
Configure Factory Default Values.............................................................................................................362
Password Protection of Factory Reset .....................................................................................................364
Disabling Factory Default Reset Feature...........................................................................................364
Enabling Factory Default Reset .........................................................................................................366
Chapter 30: Pinging a Remote System .......................................................................................................369
Appendix A: MSTP Overview .......................................................................................................................371
Overview...................................................................................................................................................372
Multiple Spanning Tree Instance (MSTI)..................................................................................................373
Resolving VLAN Fragmentation.........................................................................................................373
Multiple VLANs Assigned to an MSTI................................................................................................374
General Guidelines...................................................................................................................................376
VLAN and MSTI Associations ..................................................................................................................377
Ports in Multiple MSTIs.............................................................................................................................378

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Multiple Spanning Tree Regions.............................................................................................................. 379
MST Region Guidelines..................................................................................................................... 381
Common and Internal Spanning Tree (CIST).................................................................................... 382
MSTP with STP and RSTP................................................................................................................ 382
Associating VLANs to MSTIs................................................................................................................... 384
VLANs Across Different Regions............................................................................................................. 386
Summary of Guidelines............................................................................................................................ 388
Appendix B: AT-GS950/48 Default Parameters .......................................................................................... 389

Contents
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