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Cisco IOS XR Routing Debug Command Reference, Release 3.6
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Preface
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BGP Debug Commands on Cisco IOS XR Software
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EIGRP Debug Commands on Cisco IOS XR Software
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IS-IS Debug Commands on Cisco IOS XR Software
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OSPF Debug Commands on Cisco IOS XR Software
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OSPFv3 Debug Commands on Cisco IOS XR Software
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RIB Debug Commands on Cisco IOS XR Software
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RIP Debug Commands on Cisco IOS XR Software
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Index
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Feedback
Table Of Contents
IS-IS Debug Commands on Cisco IOS XR Software
IS-IS Debug Commands on Cisco IOS XR Software
This chapter describes the commands used to debug the Intermediate System-to-Intermediate System (IS-IS) protocol on Cisco IOS XR software.
debug isis adjacencies
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) maintenance of adjacencies including the sending and receiving of hello packets, use the debug isis adjacencies command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] adjacencies [interface type instance] [restarts] [level {1 | 2}] [lsp lsp-id] [summary | detail] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
no debug isis [instance instance-id] adjacencies [interface type instance] [restarts] [level {1 | 2}] [lsp lsp-id] [summary | detail] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
CautionThe debug isis adjacencies command generates a substantial amount of output. Use the command only when traffic on the IP network is low so that other activity on the system is not adversely affected.
Use the debug isis adjacencies command to display the handling of hello packets, the sending of hello packets, and timer events relating to adjacencies. The command is also used to display neighbor restart requests.
Task ID
Examples
The following is sample output from the debug isis adjacencies command:
RP/0/RP0/CPU0:router# debug isis instance isp adjacenciesRP/0/RP0/CPU0:Jun 21 00:48:03.656 : isis[517]: SEND L1 LAN IIH on GigabitEthernet0/1/0/2: LAN ID router-2.01, 1 neighbors, Holdtime 30s, Length 1497RP/0/RP0/CPU0:Jun 21 00:48:05.241 : isis[517]: RECV L1 LAN IIH from GigabitEthernet0/1/0/2 SNPA 0012.da6b.68aa: System ID router-2, Holdtime 10, LAN ID router-2.01, length 1497Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis configuration
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) configuration including interface events, use the debug isis configuration command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] configuration [interface type instance] [level {1 | 2}] [summary | detail] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
no debug isis [instance instance-id] configuration [interface type instance] [level {1 | 2}] [summary | detail] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis configuration command when investigating problems during the initialization of the IS-IS process, the verification and handling of configuration changes, and interface state changes such as interaction with the Interface Manager (IM) and IP-asynchronous response mode (ARM).
Task ID
Examples
The following is sample output from the debug isis configuration command:
RP/0/RP0/CPU0:router# debug isis instance isp configurationRP/0/RP0/CPU0:router# configureRP/0/RP0/CPU0:router(config)# router isis ispRP/0/RP0/CPU0:router(config-isis)# interface loopback 0RP/0/RP0/CPU0:router(config-isis-if)# address-family ipv4 unicastRP/0/RP0/CPU0:router(config-isis-if-af)# commitRP/0/RP0/CPU0:Jun 21 01:18:01.848 : isis[517]: Intf Loopback0: Interface configured RP/0/RP0/CPU0:Jun 21 01:18:01.853 : isis[517]: Intf Loopback0: IPv4 Unicast: Prefix advertisement configured RP/0/RP0/CPU0:Jun 21 01:18:01.854 : isis[517]: Intf Loopback0: IPv4 Unicast: Adjacency formation configuredRP/0/5/CPU0:Jun 21 01:18:01.910 : isis[517]: Intf Loopback0: IPv4 Unicast: New advertised prefix: 192.168.10.10/32RP/0/RP0/CPU0:Jun 21 01:18:01.912 : isis[517]: Level-1: IPv4 Router ID Change: GigabitEthernet0/1/0/2 -> Loopback0RP/0/RP0/CPU0:Jun 21 01:18:01.914 : isis[517]: Intf Loopback0: Standard (IPv4 Unicast): Link Topology ready to form adjacenciesRP/0/RP0/CPU0:Jun 21 01:18:01.915 : isis[517]: Intf Loopback0: Interface starting to send hellosRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis dis-elections
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) designated elections on LAN interfaces, use the debug isis dis-elections command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] dis-elections [interface type instance] [level {1 | 2}] [summary | detail] [only]
no debug isis [instance instance-id] dis-elections [interface type instance] [level {1 | 2}] [summary | detail] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis dis-elections command to display information on scheduling and running Designated Intermediate System (DIS) elections.
Task ID
Examples
The following is sample output from the debug isis dis-elections command:
RP/0/RP0/CPU0:router# debug isis instance isp dis-electionsRP/0/RP0/CPU0:Jun 21 01:22:38.122 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: router-1 triggers DIS election (local priority change) ...RP/0/RP0/CPU0:Jun 21 01:22:38.134 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: Run DIS election ...RP/0/RP0/CPU0:Jun 21 01:22:38.135 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: Uninstall the old DIS, router-2 (circuit number 1) RP/0/RP0/CPU0:Jun 21 01:22:38.136 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: Purge DIS Pseudonode LSP 0000.0000.0022.01-00 RP/0/RP0/CPU0:Jun 21 01:22:38.137 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: Install ourselves (circuit number 1) as the new DIS RP/0/RP0/CPU0:Jun 21 01:22:38.209 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: router-2 triggers DIS election (neighbor LAN ID change) ...RP/0/RP0/CPU0:Jun 21 01:22:38.228 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: Run DIS election ...Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis local-updates
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) generation of local system and pseudo-node link-state packets (LSPs), use the debug isis local-updates command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] local-updates [level {1 | 2}] [node-number number] [summary | detail | verbose] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
no debug isis [instance instance-id] local-updates [level {1 | 2}] [node-number number] [summary | detail | verbose] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis local-updates command to display local system and pseudo-node link-state packet (LSP) activities.
Task ID
Examples
The following is sample output from the debug isis local-updates command:
RP/0/RP0/CPU0:router# debug isis instance isp local-updatesRP/0/RP0/CPU0:Jun 21 01:33:23.264 : isis[517]: L1 System Adv: LSP generation required because of 'configuration change' on GigabitEthernet0/1/0/2: generation scheduled with enforced delay of 2000msRP/0/RP0/CPU0:Jun 21 01:33:23.265 : isis[517]: L1 System Adv: LSP generation required because of 'connected IP down' on Loopback0: generation rescheduled with initial delay of 50msRP/0/RP0/CPU0:Jun 21 01:33:23.345 : isis[517]: L1 System Adv: Building LSP ...RP/0/RP0/CPU0:Jun 21 01:33:23.345 : isis[517]: L1 System Adv: Building fragment 0 seq 0xdRP/0/RP0/CPU0:Jun 21 01:33:23.347 : isis[517]: L1 System Adv: Standard (IPv4 Unicast): Add links (OVL: no; ATT: no; TE: no)RP/0/RP0/CPU0:Jun 21 01:33:23.350 : isis[517]: L1 System Adv: IPv4 Unicast: Add Narrow prefixesRP/0/RP0/CPU0:Jun 21 01:33:23.351 : isis[517]: L1 System Adv: LSP build complete (1 fragments)Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis mpls traffic-eng
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) Multiprotocol Label Switching (MPLS) traffic engineering operation, use the debug isis mpls traffic-eng command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] mpls traffic-end [advertisements | links | tunnels] [interface type instance] [level {1 | 2}] [lsp lsp-id] [only] [detail]
no debug isis [instance instance-id] mpls traffic-end [advertisements | links | tunnels] [interface type instance] [level {1 | 2}] [lsp lsp-id] [only] [detail]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis mpls traffic-eng command to display MPLS traffic engineering activities.
Task ID
Examples
The following is sample output from the debug isis mpls traffic-eng command:
RP/0/RP0/CPU0:router# debug isis instance isp mpls traffic-engRP/0/RP0/CPU0:Jun 21 11:12:49.265 : isis[369]: Cfg: IPv4 Unicast: MPLS TE Level: ADD 'Level-2'RP/0/RP0/CPU0:Jun 21 11:12:49.268 : isis[369]: Cfg: IPv4 Unicast: MPLS TE Router ID: ADD 'Loopback110'RP/0/RP0/CPU0:Jun 21 11:12:49.656 : isis[369]: TE Link: L2 POS0/1/0/0: SEND: Adjacency change: 2000.0000.0026.00 (11.3.1.2) upRP/0/RP0/CPU0:Jun 21 11:12:50.631 : isis[369]: TE Adv: L2 gr28-5-6.00: SEND: Router node; 4 links; fragment ID 0; flag 0x0)RP/0/RP0/CPU0:Jun 21 11:12:59.362 : isis[369]: TE Adv: L2 sr1.00 (11.8.1.3): BUILD SUBTLV: Skip (no link information found)RP/0/RP0/CPU0:Jun 21 11:12:59.362 : isis[369]: TE Adv: L2 router-2.00 (11.3.1.3): BUILD SUBTLV: Add (64 bytes)Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis packet-errors
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) format, checksum, and authentication errors in received packets, use the debug isis packet-errors command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] packet-errors [interface type instance] [detail] [only]
no debug isis [instance instance-id] packet-errors [interface type instance] [detail] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis packet-errors command to diagnose problems where packets are dropped due to a format, checksum, or authentication error.
Task ID
Examples
The following is sample output from the debug isis packet-errors command:
RP/0/RP0/CPU0:router# debug isis instance isp packet-errorsRP/0/RP0/CPU0:Jun 21 01:54:19.652 : isis[517]: %ROUTING-ISIS-5-AUTH_FAILURE_DROP : Dropped L2 LAN IIH from GigabitEthernet0/1/0/2 SNPA 0013.5f12.64ab due to authentication TLV not foundRP/0/RP0/CPU0:Jun 21 01:54:19.652 : isis[517]: BAD L2 LAN IIH rcvd from GigabitEthernet0/1/0/2 SNPA 0013.5f12.64ab: dropped because authentication TLV not foundRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis route
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) local routing table, use the debug isis route command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] route [prefix/length [longer-prefixes]] [summary] [prefix-list prefix-list-name] [topology [ipv4 | ipv6] [unicast | multicast]] [verbose | detail] [only]
no debug isis [instance instance-id] route [prefix/length [longer-prefixes]] [summary] [prefix-list prefix-list-name] [topology [ipv4 | ipv6] [unicast | multicast]] [verbose | detail] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis route command to debug maintenance of the IS-IS local routing table.
Task ID
Examples
The following is sample output from the debug isis route command:
RP/0/RP0/CPU0:router# debug isis instance isp routeRP/0/RP0/CPU0:Jun 21 11:45:57.719 : isis[236]: Cfg: IPv6 Unicast: Redistribute isis isp-2: ADD 'level-1 @ Internal metric 0 using route policy (none)'RP/0/RP0/CPU0:Jun 21 11:45:57.809 : isis[236]: IPv6 Unicast Redistributed Route 3002::500/120: Add @ L1: 0 (isis isp-2), L2 unreachable (none)RP/0/RP0/CPU0:Jun 21 11:45:57.810 : isis[236]: IPv6 Unicast Redistributed Route 3ffe::/64: Add @ L1: 0 (isis isp-2), L2 unreachable (none)RP/0/RP0/CPU0:Jun 21 11:45:57.870 : isis[236]: IPv6 Unicast Connected Route 3ffe:390b::/64: Add (add Loopback0)RP/0/RP0/CPU0:Jun 21 11:45:57.872 : isis[236]: IPv6 Unicast Connected Route 4ffe::4:0/112: Add (add POS0/1/0/1)RP/0/RP0/CPU0:Jun 21 11:46:17.773 : isis[236]: IPv6 Unicast Own Route 2002::/112: Install new @ L1 metric 20 (router-2)RP/0/RP0/CPU0:Jun 21 11:46:17.774 : isis[236]: IPv6 Unicast Own Route 2002::/112: Install next hop via fe80::3139:30ff:fe31:5534 (POS0/1/0/1) (router-2)Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis spf
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) scheduling and running of route calculations including incremental shortest path first (SPF) algorithms and partial route calculations (PRCs), use the debug isis spf command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] spf [full | incremental | nhc | prc | trigger | ipfrr] [prefix/length [longer-prefixes]] [level {1 | 2}] [lsp lsp-id] [prefix-list prefix-list-name] [summary | detail | verbose] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
no debug isis [instance instance-id] spf [full | incremental | nhc | prc | trigger | ipfrr] [prefix/length [longer-prefixes]] [level {1 | 2}] [lsp lsp-id] [prefix-list prefix-list-name] [summary | detail | verbose] [topology [ipv4 | ipv6] [unicast | multicast]] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis spf command to display the scheduling and operation of routing calculations.
Task ID
Examples
The following is sample output from the debug isis spf command:
RP/0/RP0/CPU0:router# debug isis instance isp spfRP/0/RP0/CPU0:Jun 21 11:51:54.930 : isis[236]: Standard (IPv4 Unicast) L1 Trigger: Full SPF required due to 'new LSP 0' in r3.00-00: Full SPF will be executed manually later in the restartRP/0/RP0/CPU0:Jun 21 11:51:54.931 : isis[236]: Standard (IPv4 Unicast) L1 Trigger: Full SPF required due to 'new LSP 0' in r3.01-00: Full SPF will be executed manually later in the restartRP/0/RP0/CPU0:Jun 21 11:52:14.667 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: Route calculation startingRP/0/RP0/CPU0:Jun 21 11:52:14.705 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: r3.00: Move to PATHS, path metric 30, 1 next hops:RP/0/RP0/CPU0:Jun 21 11:52:14.706 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: r3.00: router-2 (POS0/1/0/1)RP/0/RP0/CPU0:Jun 21 11:52:14.719 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: r3.01: Move to PATHS, path metric 40, 1 next hops:RP/0/RP0/CPU0:Jun 21 11:52:14.719 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: r3.01: router-2 (POS0/1/0/1)RP/0/RP0/CPU0:Jun 21 11:52:15.610 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: Update default route after SPF (purge)RP/0/RP0/CPU0:Jun 21 11:52:15.611 : isis[236]: Standard (IPv4 Unicast) L1 FSPF: Route calculation complete: duration 944ms/454ms (real/CPU); 531 nodes on SPTRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis startup
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) process initialization for nonstop forwarding (NSF) restarts and cold starts, use the debug isis startup command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] startup [interface type instance] [level {1 | 2}] [lsp lsp-id] [only] [detail | verbose]
no debug isis [instance instance-id] startup [interface type instance] [level {1 | 2}] [lsp lsp-id] [only] [detail | verbose]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis startup command to track the progress of a process restart using Cisco NSF, IETF NSF, or a cold restart.
Task ID
Examples
The following is sample output from the debug isis startup command:
RP/0/RP0/CPU0:router# debug isis instance isp startupRP/0/RP0/CPU0:Jun 21 11:36:16.290 : isis[236]: Process Initialization: IS-IS instance 'isp' is initializing (binary isis) ...RP/0/RP0/CPU0:Jun 21 11:36:16.643 : isis[236]: Cisco NSF: Controlled restart starts with time budget of 60 s.RP/0/RP0/CPU0:Jun 21 11:36:16.643 : isis[236]: %ROUTING-ISIS-6-INFO_STARTUP_START : Cisco NSF controlled start beginningRP/0/RP0/CPU0:Jun 21 11:36:17.077 : isis[236]: Cisco NSF - SSM-INIT: 1 interfaces restored from checkpointRP/0/RP0/CPU0:Jun 21 11:36:17.395 : isis[236]: Cfg: NSF Restart Flavor: CHANGE 'Cold' -> 'Cisco NSF'RP/0/RP0/CPU0:Jun 21 11:36:17.680 : isis[236]: Process Initialization: IS-IS instance 'isp' initialization completeRP/0/RP0/CPU0:Jun 21 11:36:17.707 : isis[236]: Cisco NSF - SSM-INIT: Initialize Restart ResourcesRP/0/RP0/CPU0:Jun 21 11:36:17.707 : isis[236]: Cisco NSF - SSM-INIT: Phase Result - Proceed RP/0/RP0/CPU0:Jun 21 11:36:17.708 : isis[236]: Cisco NSF - NSF-CISCO-INIT: Initialize Cisco-NSF resourcesRP/0/RP0/CPU0:Jun 21 11:36:17.709 : isis[236]: Cisco NSF - NSF-CISCO-INIT: Phase Result - ProceedRP/0/RP0/CPU0:Jun 21 11:36:17.709 : isis[236]: Cisco NSF - NSF-CISCO-IDB-WAIT: Wait for interfaces to be ready to runRP/0/RP0/CPU0:Jun 21 11:36:17.711 : isis[236]: Cisco NSF - NSF-CISCO-IDB-WAIT: Waiting for 1 of 1 configured interfaces to be ready (first check)RP/0/RP0/CPU0:Jun 21 11:36:17.711 : isis[236]: Cisco NSF - NSF-CISCO-IDB-WAIT: Phase Result - Retry/Abort (No interfaces ready)RP/0/RP0/CPU0:Jun 21 11:36:17.726 : isis[236]: Memory state change: Normal - ignore (uninteresting state)RP/0/RP0/CPU0:Jun 21 11:36:17.802 : isis[236]: Cisco NSF - NSF-CISCO-IDB-WAIT: Wait for interfaces to be ready to run (retry)RP/0/RP0/CPU0:Jun 21 11:36:17.802 : isis[236]: Cisco NSF - NSF-CISCO-IDB-WAIT: Waiting for 0 of 1 configured interfaces to be ready (change since last check)RP/0/RP0/CPU0:Jun 21 11:36:17.803 : isis[236]: Cisco NSF - NSF-CISCO-IDB-WAIT: Phase Result - ProceedRP/0/RP0/CPU0:Jun 21 11:36:17.805 : isis[236]: Cisco NSF - NSF-CISCO-ADJ-READ: Restore Adjacency DB from checkpoint tableRP/0/RP0/CPU0:Jun 21 11:36:17.817 : isis[236]: Cisco NSF - NSF-CISCO-ADJ-READ: Phase Result - Proceed (1 L1 and 0 L2 adjacencies restored)RP/0/RP0/CPU0:Jun 21 11:36:17.815 : isis[236]: %ROUTING-ISIS-4-ADJCHANGE : Adjacency to 2000.0000.0025 (POS0/1/0/1) (L1) Up, Checkpoint restoreRP/0/RP0/CPU0:Jun 21 11:36:17.818 : isis[236]: Cisco NSF - NSF-CISCO-DIS-ELECT: Run DIS elections....Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug isis update
To display debugging information for the Intermediate System-to-Intermediate System (IS-IS) synchronization of the link-state packet (LSP) database with neighbors, use the debug isis update command in EXEC mode. To turn off debugging output, use the no form of this command.
debug isis [instance instance-id] update [lsp | snp | timers] [interface type instance] [level {1 | 2}] [lsp-id lsp-id] [summary | detail] [only]
no debug isis [instance instance-id] update [lsp | snp | timers] [interface type instance] [level {1 | 2}] [lsp-id lsp-id] [summary | detail] [only]
Syntax Description
Defaults
If no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.
Command Modes
EXEC
Command History
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes the proper task IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.
Debugging output is assigned high priority in the CPU process and, therefore, can affect system performance. For more information about the impact on system performance when using debug commands, refer to Using Debug Commands on Cisco IOS XR Software.
Caution
Use the debug isis update command to display the operation of the update process including LSP packet processing, SNP packet processing, and the handling of update timers.
Task ID
Examples
The following is sample output from the debug isis update command:
RP/0/RP0/CPU0:router# debug isis instance isp updateRP/0/RP0/CPU0:Jun 21 11:33:47.078 : isis[236]: LSP DB: L1 LSP r8.00-00 sn 0x16b cs 0x22b3 ht 1199 REP L1 LSP r8.00-00 sn 0x16a cs 0x24b2 ht 299RP/0/RP0/CPU0:Jun 21 11:33:47.262 : isis[236]: SEND L1 PSNP on POS0/1/0/1: length 99 RP/0/RP0/CPU0:Jun 21 11:33:47.693 : isis[236]: RECV L1 LSP r35.00-00 from POS0/1/0/1: Seq 0x16b; Checksum 0x9db9; Holdtime 1199; Length 453Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
