HPE FlexFabric 5930 Series Installation manual
HPE FlexFabric 5930 Switch Series
Network Management and Monitoring
Command Reference
Part number: 5998-7789R
Software version: Release 242x
Document version: 6W100-20151220
© Copyright 2015 Hewlett Packard Enterprise Development LP
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Contents
Ping, tracert, and system debugging commands············································1
debugging ··················································································································································1
display debugging······································································································································1
ping ····························································································································································2
ping ipv6·····················································································································································5
tracert·························································································································································7
tracert ipv6 ·················································································································································9
NTP commands····························································································11
display ntp-service ipv6 sessions·············································································································11
display ntp-service sessions ····················································································································15
display ntp-service status·························································································································19
display ntp-service trace ··························································································································21
ntp-service acl··········································································································································22
ntp-service authentication enable ············································································································23
ntp-service authentication-keyid···············································································································24
ntp-service broadcast-client·····················································································································25
ntp-service broadcast-server····················································································································25
ntp-service dscp·······································································································································26
ntp-service enable····································································································································27
ntp-service inbound enable······················································································································27
ntp-service ipv6 acl ··································································································································28
ntp-service ipv6 dscp ·······························································································································29
ntp-service ipv6 inbound enable ··············································································································29
ntp-service ipv6 multicast-client···············································································································30
ntp-service ipv6 multicast-server··············································································································31
ntp-service ipv6 source····························································································································31
ntp-service ipv6 unicast-peer···················································································································32
ntp-service ipv6 unicast-server ················································································································34
ntp-service max-dynamic-sessions··········································································································35
ntp-service multicast-client·······················································································································36
ntp-service multicast-server·····················································································································36
ntp-service refclock-master······················································································································37
ntp-service reliable authentication-keyid··································································································38
ntp-service source····································································································································39
ntp-service unicast-peer···························································································································40
ntp-service unicast-server························································································································41
SNTP commands··························································································43
display sntp ipv6 sessions························································································································43
display sntp sessions·······························································································································43
sntp authentication enable·······················································································································44
sntp authentication-keyid ·························································································································45
sntp enable···············································································································································46
sntp ipv6 unicast-server···························································································································46
sntp reliable authentication-keyid·············································································································47
sntp unicast-server···································································································································48
PTP commands ····························································································50
display ptp clock·······································································································································50
display ptp corrections ·····························································································································51
display ptp foreign-masters-record···········································································································52
display ptp interface·································································································································53
display ptp parent·····································································································································55
display ptp statistics·································································································································56
display ptp time-property··························································································································57
ptp active force-state································································································································58
ii
ptp announce-interval·······························································································································59
ptp announce-timeout ······························································································································60
ptp asymmetry-correction·························································································································61
ptp clock-source·······································································································································61
ptp clock-step···········································································································································64
ptp delay-mechanism·······························································································································65
ptp destination-mac··································································································································66
ptp domain ···············································································································································66
ptp enable ················································································································································67
ptp force-state··········································································································································68
ptp min-delayreq-interval··························································································································69
ptp mode··················································································································································70
ptp pdelay-req-interval ·····························································································································70
ptp port-mode···········································································································································71
ptp priority ················································································································································72
ptp profile ·················································································································································73
ptp slave-only···········································································································································73
ptp source ················································································································································74
ptp syn-interval·········································································································································75
ptp transport-protocol·······························································································································76
ptp utc ······················································································································································76
ptp utc offset·············································································································································77
reset ptp statistics ····································································································································78
Information center commands ······································································79
diagnostic-logfile save······························································································································79
display diagnostic-logfile summary ··········································································································79
display info-center····································································································································80
display logbuffer·······································································································································81
display logbuffer summary·······················································································································82
display logfile summary····························································································································83
display security-logfile summary··············································································································84
enable log updown···································································································································85
info-center diagnostic-logfile enable·········································································································85
info-center diagnostic-logfile frequency····································································································86
info-center diagnostic-logfile quota ··········································································································86
info-center diagnostic-logfile directory······································································································87
info-center logfile overwrite-protection·····································································································87
info-center enable ····································································································································88
info-center format·····································································································································89
info-center logbuffer·································································································································89
info-center logbuffer size··························································································································90
info-center logfile enable··························································································································90
info-center logfile frequency·····················································································································91
info-center logfile size-quota····················································································································91
info-center logfile directory·······················································································································92
info-center logging suppress duplicates···································································································93
info-center loghost····································································································································94
info-center loghost source························································································································95
info-center security-logfile alarm-threshold······························································································96
info-center security-logfile enable ············································································································96
info-center security-logfile frequency ·······································································································97
info-center security-logfile size-quota·······································································································97
info-center security-logfile directory ·········································································································98
info-center source ····································································································································99
info-center synchronous·························································································································100
info-center syslog min-age·····················································································································101
info-center timestamp·····························································································································102
info-center timestamp loghost················································································································103
info-center trace-logfile quota·················································································································103
logfile save·············································································································································104
reset logbuffer········································································································································104
iii
security-logfile save································································································································105
terminal debugging·································································································································105
terminal logging level ·····························································································································106
terminal monitor ·····································································································································107
SNMP commands·······················································································108
display snmp-agent community··············································································································108
display snmp-agent context ···················································································································109
display snmp-agent group······················································································································110
display snmp-agent local-engineid·········································································································111
display snmp-agent mib-node················································································································111
display snmp-agent mib-view·················································································································118
display snmp-agent remote····················································································································119
display snmp-agent statistics·················································································································120
display snmp-agent sys-info···················································································································122
display snmp-agent trap queue··············································································································123
display snmp-agent trap-list···················································································································123
display snmp-agent usm-user················································································································124
enable snmp trap updown······················································································································125
snmp-agent············································································································································126
snmp-agent { inform | trap } source········································································································126
snmp-agent calculate-password ············································································································127
snmp-agent community··························································································································129
snmp-agent community-map··················································································································131
snmp-agent context································································································································132
snmp-agent group··································································································································132
snmp-agent local-engineid·····················································································································134
snmp-agent log ······································································································································135
snmp-agent mib-view·····························································································································136
snmp-agent packet max-size·················································································································137
snmp-agent port·····································································································································137
snmp-agent remote································································································································138
snmp-agent sys-info contact··················································································································139
snmp-agent sys-info location ·················································································································140
snmp-agent sys-info version··················································································································140
snmp-agent target-host··························································································································141
snmp-agent trap enable·························································································································143
snmp-agent trap if-mib link extended·····································································································144
snmp-agent trap life ·······························································································································144
snmp-agent trap log·······························································································································145
snmp-agent trap periodical-interval········································································································146
snmp-agent trap queue-size ··················································································································146
snmp-agent usm-user { v1 | v2c } ··········································································································147
snmp-agent usm-user v3 ·······················································································································148
RMON commands ······················································································154
display rmon alarm·································································································································154
display rmon event·································································································································155
display rmon eventlog····························································································································157
display rmon history·······························································································································158
display rmon prialarm·····························································································································161
display rmon statistics····························································································································163
rmon alarm·············································································································································165
rmon event·············································································································································167
rmon history ···········································································································································168
rmon prialarm·········································································································································169
rmon statistics········································································································································171
NQA commands··························································································173
NQA client commands ···································································································································173
advantage-factor····································································································································173
codec-type··············································································································································173
iv
data-fill····················································································································································174
data-size·················································································································································175
description (any NQA operation type view)····························································································176
destination ip··········································································································································177
destination ipv6······································································································································178
destination port·······································································································································178
display nqa history ·································································································································179
display nqa reaction counters ················································································································180
display nqa result···································································································································182
display nqa statistics······························································································································188
expect data·············································································································································196
expect ip·················································································································································197
expect ipv6·············································································································································197
expect status··········································································································································198
filename··················································································································································199
frequency ···············································································································································199
history-record enable ·····························································································································200
history-record keep-time ························································································································201
history-record number····························································································································201
init-ttl·······················································································································································202
lsr-path···················································································································································203
max-failure ·············································································································································203
mode······················································································································································204
next-hop·················································································································································204
no-fragment enable································································································································205
nqa·························································································································································206
nqa agent enable ···································································································································206
nqa schedule··········································································································································207
nqa template ··········································································································································208
operation (FTP operation view)··············································································································208
operation (HTTP operation view)···········································································································209
out interface ···········································································································································210
password················································································································································211
probe count············································································································································212
probe packet-interval······························································································································213
probe packet-number·····························································································································213
probe packet-timeout ·····························································································································214
probe timeout·········································································································································215
raw-request············································································································································215
reaction checked-element { jitter-ds | jitter-sd }······················································································216
reaction checked-element { owd-ds | owd-sd } ······················································································218
reaction checked-element icpif···············································································································219
reaction checked-element mos··············································································································220
reaction checked-element packet-loss···································································································221
reaction checked-element probe-duration······························································································221
reaction checked-element probe-fail (for trap)·······················································································223
reaction checked-element probe-fail (for trigger)···················································································224
reaction checked-element rtt··················································································································225
reaction trap···········································································································································226
reaction trigger probe-fail·······················································································································228
reaction trigger probe-pass····················································································································228
resolve-target·········································································································································229
resolve-type············································································································································229
route-option bypass-route······················································································································230
source interface······································································································································231
source ip·················································································································································232
source ipv6·············································································································································233
source port·············································································································································233
statistics hold-time··································································································································234
statistics interval·····································································································································235
statistics max-group·······························································································································235
target-only··············································································································································236
v
tos ··························································································································································237
ttl ····························································································································································237
type ························································································································································238
url···························································································································································239
username···············································································································································240
version····················································································································································240
vpn-instance···········································································································································241
NQA server commands··································································································································242
display nqa server··································································································································242
nqa server enable ··································································································································243
nqa server tcp-connect···························································································································243
nqa server udp-echo······························································································································244
Port mirroring commands············································································246
display mirroring-group ··························································································································246
mirroring-group·······································································································································247
mirroring-group mirroring-port (interface view)·······················································································247
mirroring-group mirroring-port (system view)·························································································248
mirroring-group monitor-egress··············································································································249
mirroring-group monitor-port (interface view)·························································································250
mirroring-group monitor-port (system view)···························································································251
mirroring-group reflector-port·················································································································252
mirroring-group remote-probe vlan ········································································································253
Flow mirroring commands···········································································255
mirror-to··················································································································································255
sFlow commands························································································257
display sflow···········································································································································257
sflow agent·············································································································································258
sflow collector·········································································································································259
sflow counter interval ·····························································································································260
sflow counter collector····························································································································260
sflow flow collector·································································································································261
sflow flow max-header ···························································································································261
sflow sampling-mode ·····························································································································262
sflow sampling-rate································································································································263
sflow source···········································································································································263
Process monitoring and maintenance commands······································265
display exception context·······················································································································265
display exception filepath·······················································································································266
display kernel deadloop ·························································································································267
display kernel deadloop configuration····································································································270
display kernel exception·························································································································271
display kernel reboot······························································································································274
display kernel starvation·························································································································276
display kernel starvation configuration···································································································279
display process ······································································································································280
display process cpu································································································································282
display process log·································································································································284
display process memory ························································································································285
display process memory heap ···············································································································286
display process memory heap address··································································································287
display process memory heap size········································································································288
exception filepath···································································································································289
monitor kernel deadloop enable·············································································································290
monitor kernel deadloop exclude-thread································································································291
monitor kernel deadloop time·················································································································291
monitor kernel starvation enable············································································································292
monitor kernel starvation exclude-thread·······························································································293
monitor kernel starvation time················································································································294
vi
monitor process······································································································································295
monitor thread········································································································································300
process core···········································································································································303
reset exception context··························································································································304
reset kernel deadloop·····························································································································304
reset kernel exception····························································································································304
reset kernel reboot·································································································································305
reset kernel starvation····························································································································305
EAA commands··························································································307
action cli·················································································································································307
action reboot ··········································································································································308
action switchover····································································································································308
action syslog ··········································································································································309
commit····················································································································································310
display rtm environment·························································································································310
display rtm policy····································································································································311
event cli··················································································································································312
event hotplug··········································································································································313
event interface········································································································································314
event process·········································································································································316
event snmp oid·······································································································································317
event snmp-notification··························································································································318
event syslog···········································································································································319
rtm cli-policy···········································································································································320
rtm environment·····································································································································321
rtm scheduler suspend···························································································································322
rtm tcl-policy···········································································································································322
running-time···········································································································································323
user-role·················································································································································324
CWMP commands······················································································326
cwmp······················································································································································326
cwmp acs default password···················································································································326
cwmp acs default url ······························································································································327
cwmp acs default username ··················································································································328
cwmp acs password·······························································································································328
cwmp acs url··········································································································································329
cwmp acs username······························································································································330
cwmp cpe connect interface···················································································································331
cwmp cpe connect retry·························································································································331
cwmp cpe inform interval ·······················································································································332
cwmp cpe inform interval enable············································································································333
cwmp cpe inform time····························································································································333
cwmp cpe password·······························································································································334
cwmp cpe provision-code·······················································································································335
cwmp cpe stun enable ···························································································································335
cwmp cpe username······························································································································336
cwmp cpe wait timeout···························································································································337
cwmp enable··········································································································································337
display cwmp configuration····················································································································338
display cwmp status·······························································································································339
ssl client-policy·······································································································································341
NETCONF commands················································································342
netconf log··············································································································································342
netconf soap http dscp···························································································································343
netconf soap http enable························································································································343
netconf soap https dscp·························································································································344
netconf soap https enable······················································································································344
netconf ssh server enable······················································································································345
netconf ssh server port···························································································································346
vii
xml··························································································································································346
Packet capture commands ·········································································348
packet-capture interface·························································································································348
packet-capture read·······························································································································350
Document conventions and icons·······························································351
Conventions···················································································································································351
Network topology icons··································································································································352
Support and other resources ······································································353
Accessing Hewlett Packard Enterprise Support ····························································································353
Accessing updates·········································································································································353
Websites ················································································································································354
Customer self repair·······························································································································354
Remote support······································································································································354
Documentation feedback ·······················································································································354
Index···········································································································355
1
Ping, tracert, and system debugging
commands
debugging
Use debugging to enable debugging for a module.
Use undo debugging to disable debugging for a module.
Syntax
debugging { all [ timeout time ] | module-name [ option ] }
undo debugging { all | module-name [ option ] }
Default
Debugging functions are disabled for all modules.
Views
User view
Predefined user roles
network-admin
Parameters
all: Enables all debugging functions.
timeout time: Specifies the timeout time for the debugging all command. When all debugging is
enabled, the system automatically executes the undo debugging all command after the timeout
time.The time argument is in the range of 1 to 1440 minutes.
module-name: Specifies a module by its name, such as arp or device. To display the current module
name, use the debugging ? command.
option: Specifies the debugging option for a module. The option number and content differ for
different modules. To display the supported options, use the debugging module-name ?command.
Usage guidelines
Output of debugging commands is memory intensive. To guarantee system performance, enable
debugging only for modules that are in an exceptional condition.
Examples
# Enable debugging for the device management module.
<Sysname> debugging dev
Related commands
display debugging
display debugging
Use display debugging to display the enabled debugging functions.
Syntax
display debugging [module-name ]
2
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
module-name: Specifies a module by its name. To display the current module name, use the display
debugging ? command.
Examples
# Display all enabled debugging functions.
<Sysname> display debugging
DEV debugging switch is on
Related commands
debugging
ping
Use ping to verify whether the destination IP address is reachable, and display related statistics.
Syntax
ping [ ip ] [ -a source-ip | -c count | -f | -h ttl | -i interface-type interface-number | -m interval | -n | -p
pad | -q | -r | -s packet-size | -t timeout | -tos tos | -v | -vpn-instance vpn-instance-name ] * host
Views
Any view
Predefined user roles
network-admin
Parameters
ip: Distinguishes between a destination host name and the ping command keywords if the name of
the destination host is i, ip, ipv, ipv6, m, mp, mpl, or mpls. For example, you must use the
command in the form of ping ip ip instead of ping ip if the destination host name is ip.
-a source-ip: Specifies an IP address of the device as the source IP address of ICMP echo requests.
If this option is not specified, the source IP address of ICMPecho requests is the primary IPaddress
of the outbound interface.
-c count: Specifies the number of ICMP echo requests that are sent to the destination. The value
range is 1 to 4294967295, and the default is 5.
-f: Sets the DF bit in the IP header.
-h ttl: Specifies the TTL value of ICMP echo requests. The value range is 1 to 255, and the default is
255.
-i interface-type interface-number: Specifies the source interface of ICMP echo requests. If this
option is not provided, the system uses the primary IP address of the matching route's egress
interface as the source interface of ICMP echo requests.
-m interval: Specifies the interval (in milliseconds) to send ICMPecho requests. The value range is 1
to 65535, and the default is 200.
3
-n: Disables domain name resolution for the host argument. If the host argument represents the host
name of the destination, and if this keyword is not specified, the device translates host into an
address.
-p pad: Specifies the value of the pad field in an ICMP echo request, in hexadecimal format, 1 to 8
bits. The pad argument is in the range of 0 to ffffffff. If the specified value is less than 8 bits, 0s are
added in front of the value to extend it to 8 bits. For example, if pad is configured as 0x2f, then the
packets are padded with 0x0000002f to make the total length of thepacket meet the requirements of
the device. By default, the padded value starts from 0x01 up to 0xff, where another round starts
again if necessary, such as 0x010203…feff01….
-q: Displays only the summary statistics. If this keyword is not specified, the system displays all the
ping statistics.
-r: Records the addresses of the hops (up to 9) the ICMP echo requests passed. If this keyword is
not specified, the addresses of the hops that the ICMP echo requests passed are not recorded.
-s packet-size: Specifies the length (in bytes) of ICMP echo requests (excluding the IP packet
header and the ICMP packet header). The value range is 20 to 8100, and the default is 56.
-t timeout: Specifies the timeout time (in milliseconds) of an ICMP echo reply. The value range is 0 to
65535, and the default is 2000. If the source does not receive an ICMPecho reply within the timeout,
it considers the ICMP echo reply timed out.
-tos tos: Specifies the ToS value of ICMP echo requests. The value range is 0 to 255, and the default
is 0.
-v: Displays non-ICMP echo reply packets. If this keyword is not specified, the system does not
display non-ICMP echo reply packets.
-vpn-instance vpn-instance-name: Specifies the MPLS L3VPN instance to which the destination
belongs, where the vpn-instance-name argument is a case-sensitive string of 1 to 31 characters. If
the destination is on the public network, do not specify this option.
host: Specifies the IP address or host name of the destination. The host name is a case-insensitive
string of 1 to 253 characters, which can contain letters, digits, and special characters such as hyphen
(-), underscore (_), and dot (.).
Usage guidelines
To use the name of the destination host to perform the ping operation, you must first configure the
DNS on the device. Otherwise, the ping operation will fail.
To abort the ping operation during the execution of the command, press Ctrl+C.
Examples
# Test whether the device with an IP address of 1.1.2.2 is reachable.
<Sysname> ping 1.1.2.2
Ping 1.1.2.2 (1.1.2.2): 56 data bytes, press CTRL_C to break
56 bytes from 1.1.2.2: icmp_seq=0 ttl=254 time=2.137 ms
56 bytes from 1.1.2.2: icmp_seq=1 ttl=254 time=2.051 ms
56 bytes from 1.1.2.2: icmp_seq=2 ttl=254 time=1.996 ms
56 bytes from 1.1.2.2: icmp_seq=3 ttl=254 time=1.963 ms
56 bytes from 1.1.2.2: icmp_seq=4 ttl=254 time=1.991 ms
--- Ping statistics for 1.1.2.2 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 1.963/2.028/2.137/0.062 ms
# Test whether the device with an IP address of 1.1.2.2 in VPN 1 is reachable.
<Sysname> ping -vpn-instance vpn1 1.1.2.2
Ping 1.1.2.2 (1.1.2.2): 56 data bytes, press CTRL_C to break
4
56 bytes from 1.1.2.2: icmp_seq=0 ttl=254 time=2.137 ms
56 bytes from 1.1.2.2: icmp_seq=1 ttl=254 time=2.051 ms
56 bytes from 1.1.2.2: icmp_seq=2 ttl=254 time=1.996 ms
56 bytes from 1.1.2.2: icmp_seq=3 ttl=254 time=1.963 ms
56 bytes from 1.1.2.2: icmp_seq=4 ttl=254 time=1.991 ms
--- Ping statistics for 1.1.2.2 in VPN instance vpn1 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 1.963/2.028/2.137/0.062 ms
# Test whether the device with an IP address of 1.1.2.2 is reachable. Only results are displayed.
<Sysname> ping -q 1.1.2.2
Ping 1.1.2.2 (1.1.2.2): 56 data bytes, press CTRL_C to break
--- Ping statistics for 1.1.2.2 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 1.962/2.196/2.665/0.244 ms
# Test whether the device with an IP address of 1.1.2.2 is reachable. The IP addresses of the hops
that the ICMP packets passed in the path are displayed.
<Sysname> ping -r 1.1.2.2
Ping 1.1.2.2 (1.1.2.2): 56 data bytes, press CTRL_C to break
56 bytes from 1.1.2.2: icmp_seq=0 ttl=254 time=4.685 ms
RR: 1.1.2.1
1.1.2.2
1.1.1.2
1.1.1.1
56 bytes from 1.1.2.2: icmp_seq=1 ttl=254 time=4.834 ms (same route)
56 bytes from 1.1.2.2: icmp_seq=2 ttl=254 time=4.770 ms (same route)
56 bytes from 1.1.2.2: icmp_seq=3 ttl=254 time=4.812 ms (same route)
56 bytes from 1.1.2.2: icmp_seq=4 ttl=254 time=4.704 ms (same route)
--- Ping statistics for 1.1.2.2 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 4.685/4.761/4.834/0.058 ms
The output shows that:
•The destination is reachable.
•The route is 1.1.1.1 <-> {1.1.1.2; 1.1.2.1} <-> 1.1.2.2.
Table 1 Command output
Field Description
Ping 1.1.2.2 (1.1.2.2): 56 data
bytes, press CTRL_C to break
Test whether the device with IP address 1.1.2.2 is reachable. There
are 56 bytes in each ICMP echo request. Press Ctrl+C to abort the
ping operation.
56 bytes from 1.1.2.2: icmp_seq=0
ttl=254 time=4.685 ms
Received ICMP echo replies from the device whose IP address is
1.1.2.2. If no echo reply is received within the timeout period, no
information is displayed.
•bytes—Number of bytes in the ICMP echo reply.
•icmp_seq—Packet sequence, used to determine whether a
segment is lost, disordered or repeated.
5
Field Description
•
ttl—TTL value in the ICMP echo reply.
•time—Response time.
RR: Routers through which the ICMP echo request passed. They are
displayed in inversed order, which means the router with a smaller
distance to the destination is displayed first.
--- Ping statistics for 1.1.2.2 --- Statistics on data received and sent in the ping operation.
--- Ping statistics for 1.1.2.2 in VPN
instance vpn1 --- Ping statistics for a device in a VPN instance.
5 packet(s) transmitted Number of ICMP echo requests sent.
5 packet(s) received Number of ICMP echo replies received.
0.0% packet loss Percentage of unacknowledged packets to the total packets sent.
round-trip min/avg/max/std-dev =
4.685/4.761/4.834/0.058 ms Minimum/average/maximum/standard deviation response time, in
milliseconds.
ping ipv6
Use ping ipv6 to verify whether an IPv6 address is reachable, and display related statistics.
Syntax
ping ipv6 [ -a source-ipv6 | -c count | -i interface-type interface-number | -m interval |-q | -s
packet-size | -t timeout |-tc traffic-class|-v | -vpn-instance vpn-instance-name ] * host
Views
Any view
Predefined user roles
network-admin
Parameters
-a source-ipv6: Specifies an IPv6 address of the device as the source IP address of ICMP echo
requests. If this option is not specified, the source IPv6 address of ICMP echo requests is the IPv6
address of the outbound interface. (The address selection rule is defined by RFC 3484.)
-c count: Specifies the number of ICMPv6 echo requests that are sent to the destination. The value
range is 1 to 4294967295, and the default is 5.
-i interface-type interface-number: Specifies the source interface of ICMPv6 echo requests. This
option must be specified when the destination address is a multicast address or a link local address.
If you do not specify this option, the system uses the primary IP address of the matching route's
egress interface as the source interface of ICMPv6 echo requests.
-m interval: Specifies the interval (in milliseconds) to send an ICMPv6 echo reply. The value range is
1 to 65535, and the default is 1000.
-q: Displays only the summary statistics. If this keyword is not specified, the system displays all the
ping statistics.
-s packet-size: Specifies the length (in bytes) of ICMPv6 echo requests (excluding the IPv6 packet
header and the ICMPv6 packet header). The value range is 20 to 8100, and the default is 56.
-t timeout: Specifies the timeout time (in milliseconds) of an ICMPv6 echo reply. The value range is 0
to 65535, and the default is 2000.
-tc traffic-class: Specifies the traffic class value in an ICMPv6 packet. The value range is 0 to 255
and the default is 0.
6
-v: Displays detailed information (including the dst field and the idx field) about ICMPv6 echo replies.
If this keyword is not specified, the system only displays brief information (not including the dst field
and the idx field) about ICMPv6 echo replies.
-vpn-instance vpn-instance-name: Specifies the MPLS L3VPN instance to which the destination
belongs, where the vpn-instance-name argument is a case-sensitive string of 1 to 31 characters. If
the destination is on the public network, do not specify this option.
host: Specifies the IPv6 address or host name of the destination. The host name is a
case-insensitive string of 1 to 253 characters, which can contain letters, digits, and special
characters such as hyphen (-), underscore (_), and dot (.).
Usage guidelines
To use the name of the destination host to perform the ipv6 ping operation, you must first configure
DNS on the device. Otherwise, the ipv6 ping operation fails.
To abort the ping ipv6 operation during the execution of the command, press Ctrl+C.
Examples
# Test whether the IPv6 address (2001::2) is reachable.
<Sysname> ping ipv6 2001::2
Ping6(56 data bytes) 2001::1 --> 2001::2, press CTRL_C to break
56 bytes from 2001::2, icmp_seq=0 hlim=64 time=62.000 ms
56 bytes from 2001::2, icmp_seq=1 hlim=64 time=23.000 ms
56 bytes from 2001::2, icmp_seq=2 hlim=64 time=20.000 ms
56 bytes from 2001::2, icmp_seq=3 hlim=64 time=4.000 ms
56 bytes from 2001::2, icmp_seq=4 hlim=64 time=16.000 ms
--- Ping6 statistics for 2001::2 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 4.000/25.000/62.000/20.000 ms
# Test whether the IPv6 address (2001::2) is reachable. Only the statistics are displayed.
<Sysname> ping ipv6 –q 2001::2
Ping6(56 data bytes) 2001::1 --> 2001::2, press CTRL_C to break
--- Ping6 statistics for 2001::2 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 4.000/25.000/62.000/20.000 ms
# Test whether the IPv6 address (2001::2) is reachable. Detailed ping information is displayed.
<Sysname> ping ipv6 –v 2001::2
Ping6(56 data bytes) 2001::1 --> 2001::2, press CTRL_C to break
56 bytes from 2001::2, icmp_seq=0 hlim=64 dst=2001::1 idx=3 time=62.000 ms
56 bytes from 2001::2, icmp_seq=1 hlim=64 dst=2001::1 idx=3 time=23.000 ms
56 bytes from 2001::2, icmp_seq=2 hlim=64 dst=2001::1 idx=3 time=20.000 ms
56 bytes from 2001::2, icmp_seq=3 hlim=64 dst=2001::1 idx=3 time=4.000 ms
56 bytes from 2001::2, icmp_seq=4 hlim=64 dst=2001::1 idx=3 time=16.000 ms
--- Ping6 statistics for 2001::2 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 4.000/25.000/62.000/20.000 ms
The output shows that:
•The destination is reachable, and ICMPv6 echo requests are replied.
7
•The minimum/average/maximum/standard deviation roundtrip time of packets is 4 milliseconds,
25 milliseconds, 62 milliseconds, and 20 milliseconds.
Figure 1 Command output
Field Description
Ping6(56 data bytes)
2001::1 --> 2001::2, press CTRL_C
to break
An ICMPv6 echo reply with a data length of 56 bytes is sent from
2001::1to 2001::2.
Press Ctrl+C to abort the ping IPv6 operation.
56 bytes from 2001::2,
icmp_seq=1 hlim=64 dst=2001::1
idx=3 time=62.000 ms
Received ICMPv6 echo replies from the device whose IPv6 address
is 2001::2.
•The number of data bytes is 56.
•The packet sequence is 1.
•The hop limit value is 64.
•The destination address is 2001::1. Specify the -v keyword to
display this field.
•The index for the packet inbound interface is 3. Specify the -v
keyword to display this field.
•The response time is 62 milliseconds.
--- Ping6 statistics for 2001::2 ------ Statistics on data received and sent in an IPv6 ping operation.
5 packet(s) transmitted Number of ICMPv6 echo requests sent.
5 packet(s) received Number of ICMPv6 echo replies received.
0.0% packet loss Percentage of unacknowledged packets to the total packets sent.
round-trip min/avg/max/ std-dev
=4.000/25.000/62.000/20.000 ms Minimum/average/maximum/standard deviation response time, in
milliseconds.
tracert
Use tracert to trace the path the packets traverse from source to destination.
Syntax
tracert [ -a source-ip | -f first-ttl |-m max-ttl | -p port | -q packet-number | -t tos | -vpn-instance
vpn-instance-name | -w timeout ] * host
Views
Any view
Predefined user roles
network-admin
Parameters
-a source-ip: Specifies an IP address of the device as the source IP address of probe packets. If this
option is not specified, the source IP address of probe packets is the primary IP address of the
outbound interface.
-f first-ttl: Specifies the TTLof the first packet sent to the destination. The value range is 1 to255, and
the default is 1. It must be smaller than or equal to the value of the max-ttl argument.
-m max-ttl: Specifies the maximum number of hops allowed for a probe packet. The value range is 1
to 255, and the default is 30. It must be greater than or equal to the value of the first-ttl argument.
-p port: Specifies an invalid UDP port of the destination. The value range is 1 to 65535, and the
default is 33434.
8
-q packet-number: Specifies the number of probe packets to send per hop. The value range is 1 to
65535, and the default is 3.
-t tos: Specifies the ToS value of probe packets. The value range is 0 to 255, and the default is 0.
-vpn-instance vpn-instance-name: Specifies the MPLS L3VPN instance to which the destination
belongs, where the vpn-instance-name argument is a case-sensitive string of 1 to 31 characters. If
the destination is on the public network, do not specify this option.
-w timeout: Specifies the timeout time in milliseconds of the reply packet for a probe packet. The
value range is 1 to 65535, and the default is 5000.
host: Specifies the IP address or host name of the destination. The host name is a case-insensitive
string of 1 to 253 characters, which can contain letters, digits, and special characters such as hyphen
(-), underscore (_), and dot (.). It cannot be i, ip, ipv, ipv6, m, mp, mpl, or mpls.
Usage guidelines
After identifying network failure with the ping command, use the tracert command to locate failed
nodes.
The output of the tracert command includes IPaddresses of all the Layer 3 devices that the packets
traverse from source to destination. Asterisks (* * *) are displayed if the device cannot reply with an
ICMP error message. The reason might be the destination is unreachable or sending ICMP
timeout/destination unreachable packets is disabled).
To abort the tracert operation during the execution of the command, press Ctrl+C.
Examples
# Display the path that the packets traverse from source to destination (1.1.2.2).
<Sysname> tracert 1.1.2.2
traceroute to 1.1.2.2(1.1.2.2), 30 hops at most, 40 bytes each packet, press CTRL_C to
break
1 1.1.1.2 (1.1.1.2) 673 ms 425 ms 30 ms
2 1.1.2.2 (1.1.2.2) 580 ms 470 ms 80 ms
# Trace the path to destination (192.168.0.46) over an MPLS network.
<Sysname> tracert 192.168.0.46
traceroute to 192.168.0.46(192.168.0.46), 30 hops at most, 40 bytes each packet, press
CTRL_C to break
1 192.0.2.13 (192.0.2.13) 0.661 ms 0.618 ms 0.579 ms
2 192.0.2.9 (192.0.2.9) 0.861 ms 0.718 ms 0.679 ms
MPLS Label=100048 Exp=0 TTL=1 S=1
3 192.0.2.5 (192.0.2.5) 0.822 ms 0.731 ms 0.708 ms
MPLS Label=100016 Exp=0 TTL=1 S=1
4 192.0.2.1 (192.0.2.1) 0.961 ms 8.676 ms 0.875 ms
Table 2 Command output
Field Description
traceroute to 1.1.2.2(1.1.2.2) Display the route that the IP packets traverse from the current device to the
device whose IP address is 1.1.2.2.
hops at most Maximum number of hops of the probe packets, which can be set by the -m
keyword.
bytes each packet Number of bytes of a probe packet.
press CTRL_C to break During the execution of the command, press Ctrl+C to abort the tracert
operation.
1 1.1.1.2 (1.1.1.2) 673 ms Probe result of the probe packets whose TTL is 1, including the domain
9
Field Description
425 ms 30 ms name and IP address of the first hop, and the round-trip time of three probe
packets. If the domain name of the first hop is not configured, the IP
address is displayed.
The number of packets that can be sent in each probe can be set through
the -q keyword.
MPLS Label=100048 Exp=0
TTL=1 S=1
ICMP timeout packets on an MPLS network, carrying MPLS label
information:
•Label—Label value that is used to identify a forwarding equivalence
class (FEC).
•Exp—Reserved, usually used for class of service (CoS).
•TTL—TTL value.
•S—MPLS supports multiple levels of labels. Value 1 indicates that the
label is at the bottom of the label stack, and value 0 indicates that the
label is in another label stack.
tracert ipv6
Use tracert ipv6 to display the path that the IPv6 packets traverse from source to destination.
Syntax
tracert ipv6 [ -f first-hop | -m max-hops | -p port | -q packet-number | -t traffic-class | -vpn-instance
vpn-instance-name | -w timeout ] * host
Views
Any view
Predefined user roles
network-admin
Parameters
-f first-hop: Specifies the TTLvalue of the first packet. The value range is 1 to 255, and the default is
1. It must be smaller than or equal to the value of the max-hops argument.
-m max-hops: Specifies the maximum number of hops allowed for a packet. The value range is 1 to
255, and the default is 30. It must be greater than or equal to the value of the first-hop argument.
-p port: Specifies an invalid UDP port of the destination. The value range is 1 to 65535, and the
default is 33434.
-q packet-number: Specifies the number of probe packets sent each time. The value range is 1 to
65535, and the default is 3.
-t traffic-class: Specifies the traffic class value in an IPv6 probe packet. The value range is 0 to 255,
and the default is 0.
-vpn-instance vpn-instance-name: Specifies the MPLS L3VPN instance to which the destination
belongs, where the vpn-instance-name argument is a case-sensitive string of 1 to 31 characters. If
the destination is on the public network, do not specify this option.
-w timeout: Specifies the timeout time (in milliseconds) of the reply packet of a probe packet. The
value range is 1 to 65535, and the default is 5000.
host: Specifies the IPv6 address or host name of the destination. The host name is a
case-insensitive string of 1 to 253 characters, which can contain letters, digits, and special
characters such as hyphen (-), underscore (_), and dot (.).
10
Usage guidelines
After identifying network failure with the ping ipv6 command, you can use the tracert ipv6
command to locate failed nodes.
The output of the tracert ipv6 command includes IPv6 addresses of all the Layer 3 devices that the
packets traverse from source to destination.Asterisks (* * *) are displayed if the device cannot reply
with an ICMP error message. The reason might be the destination is unreachable or sending ICMP
timeout/destination unreachable packets is disabled).
To abort the tracert operation during the execution of the command, press Ctrl+C.
Examples
# Display the path that the packets traverse from source to destination (2001:3::2).
<Sysname> tracert ipv6 2001:3::2
traceroute to 2001:3::2(2001:3::2), 30 hops at most, 60 byte packets, press CTRL_C to break
1 2001:1::2 0.661 ms 0.618 ms 0.579 ms
2 2001:2::2 0.861 ms 0.718 ms 0.679 ms
3 2001:3::2 0.822 ms 0.731 ms 0.708 ms
Table 3 Command output
Field Description
traceroute to 2001:3::2 Display the route that the IPv6 packets traverse from the current device
to the device whose IP address is 2001:3:2.
hops at most Maximum number of hops of the probe packets, which can be set by the
-m keyword.
byte packets Number of bytes of a probe packet.
1 2001:1::2 0.661 ms 0.618 ms
0.579 ms
Probe result of the probe packets whose hoplimit is 1, including the IPv6
address of the first hop, and the roundtrip time of three probe packets.
The number of packets that can be sent in each probe can be set by the
-q keyword.
11
NTP commands
The term "interface" in this chapter collectively refers to Layer 3 interfaces, including VLAN
interfaces and Layer 3 Ethernet interfaces. You can set an Ethernet port as a Layer 3 interface by
using the port link-mode route command (see Layer 2—LAN Switching Configuration Guide).
display ntp-service ipv6 sessions
Use display ntp-service ipv6 sessions to display information about all IPv6 NTP associations.
Syntax
display ntp-service ipv6 sessions [ verbose ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
verbose: Displays detailed information about all IPv6 NTP associations. If you do not specify this
keyword, the command displays only brief information about the IPv6 NTP associations.
Examples
# Display brief information about all IPv6 NTP associations.
<Sysname> display ntp-service ipv6 sessions
Notes: 1 source(master), 2 source(peer), 3 selected, 4 candidate, 5 configured.
Source: [125]3000::32
Reference: 127.127.1.0 Clock stratum: 2
Reachabilities: 1 Poll interval: 64
Last receive time: 6 Offset: -0.0
Roundtrip delay: 0.0 Dispersion: 0.0
Total sessions: 1
Table 4 Command output
Field Description
[12345]
•1—Clock source selected by the system (the current reference
source). It has a system clock stratum level less than or equal to 15.
•2—The stratum level of the clock source is less than or equal to 15.
•3—The clock source has survived the clock selection algorithm.
•4—The clock source is a candidate clock source.
•5—The clock source was created by a command.
Source IPv6 address of the NTP server. If this field displays ::, the IPv6 address of
the NTP server has not been resolved successfully.
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