IS-IS Debug Commands On Cisco IOS XR Software
IS-IS Debug Commands on Cisco IOS XRSoftwareThis chapter describes the commands used to debug the Intermediate System-to-Intermediate System(IS-IS) protocol on Cisco IOS XR software.Cisco IOS XR Routing Debug Command ReferenceDRR-57
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis adjacenciesdebug isis adjacenciesTo 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 isisadjacencies 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 Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.interface(Optional) Displays debugging output for an interface.typeInterface type. For more information, use the question mark (?)online help function.instance(Optional) Either a physical interface instance or a virtualinterface instance as follows: Physical interface instance. Naming notation israck/slot/module/port and a slash between values is requiredas part of the notation.– rack: Chassis number of the rack.– slot: Physical slot number of the modular services cardor line card.– module: Module number. A physical layer interfacemodule (PLIM) is always 0.– port: Physical port number of the interface.Note In references to a Management Ethernet interface locatedon a route processor card, the physical slot number isalphanumeric (RP0 or RP1) and the module is CPU0.Example: interface MgmtEth0/RP1/CPU0/0.Virtual interface instance. Number range varies dependingon interface type.For more information about the syntax for the router, use thequestion mark (?) online help function.restarts(Optional) Displays debugging output for the processing ofneighbor restart requests.level {1 2}(Optional) Displays debugging output for Level 1 or Level 2.lsp lsp-id(Optional) Displays debugging output for a specific link-statepacket (LSP).summary(Optional) Displays debugging output for adjacency changestates.Cisco IOS XR Routing Debug Command ReferenceDRR-58
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis adjacenciestopology [ipv4 ipv6] [unicast multicast](Optional) Displays debugging output for a specific topology.The debug output can be filtered by IPv4 or IPv6 unicast ormulticast topology.detail(Optional) Enables detailed debug output including incominghello handling and outgoing hello generation.only(Optional) Enables debug output only for the filter value.DefaultsIf no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.Command ModesEXECCommand HistoryReleaseModificationRelease 2.0This command was introduced on the Cisco CRS-1.Release 3.0No modification.Release 3.2This command was supported on the Cisco XR 12000 Series Router.Release 3.3.0No modification.Release 3.4.0The multicast keyword was added.Release 3.5.0The internal keyword was removed.Usage GuidelinesTo use this command, you must be in a user group associated with a task group that includes the propertask IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services onCisco 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 systemperformance. For more information about the impact on system performance when using debugcommands, refer to Using Debug Commands on Cisco IOS XR Software.CautionThe debug isis adjacencies command generates a substantial amount of output. Use the command onlywhen 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 hellopackets, and timer events relating to adjacencies. The command is also used to display neighbor restartrequests.Task IDTask IDOperationsisisread, writeCisco IOS XR Routing Debug Command ReferenceDRR-59
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis adjacenciesExamplesThe 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 GigabitEthernet0/1/0/2SNPA 0012.da6b.68aa: System ID router-2, Holdtime 10, LAN ID router-2.01, length 1497Related CommandsCommandDescriptionundebugEnters debug mode to disable or reset multiple active debugcommand sessions.Cisco IOS XR Routing Debug Command ReferenceDRR-60
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis configurationdebug isis configurationTo 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. Toturn 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 Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.interface(Optional) Displays debugging output for an interface.typeInterface type. For more information, use the question mark (?)online help function.instance(Optional) Either a physical interface instance or a virtualinterface instance as follows: Physical interface instance. Naming notation israck/slot/module/port and a slash between values is requiredas part of the notation.– rack: Chassis number of the rack.– slot: Physical slot number of the modular services cardor line card.– module: Module number. A physical layer interfacemodule (PLIM) is always 0.– port: Physical port number of the interface.Note In references to a Management Ethernet interface locatedon a route processor card, the physical slot number isalphanumeric (RP0 or RP1) and the module is CPU0.Example: interface MgmtEth0/RP1/CPU0/0.Virtual interface instance. Number range varies dependingon interface type.For more information about the syntax for the router, use thequestion mark (?) online help function.level {1 2}(Optional) Displays debugging output for Level 1 or Level 2.summary(Optional) Displays debugging output for importantconfiguration events. For example, the creation of areas andtopologies.topology [ipv4 ipv6] [unicast multicast](Optional) Displays debugging output for a specific topology.The debug output can be filtered by IPv4 or IPv6 unicast ormulticast topology.Cisco IOS XR Routing Debug Command ReferenceDRR-61
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis configurationdetail(Optional) Enables detailed debug output for each configurationevent.only(Optional) Enables debug output only for the filter value.DefaultsIf no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.Command ModesEXECCommand HistoryReleaseModificationRelease 2.0This command was introduced on the Cisco CRS-1.Usage GuidelinesRelease 3.0No modification.Release 3.2This command was supported on the Cisco XR 12000 Series Router.Release 3.3.0No modification.Release 3.4.0The multicast keyword was added.Release 3.5.0The internal keyword was removed.To use this command, you must be in a user group associated with a task group that includes the propertask IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services onCisco 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 systemperformance. For more information about the impact on system performance when using debugcommands, refer to Using Debug Commands on Cisco IOS XR Software.CautionThe debug isis configuration command generates a substantial amount of output. Use the commandonly when traffic on the IP network is low so that other activity on the system is not adversely affected.Use the debug isis configuration command when investigating problems during the initialization of theIS-IS process, the verification and handling of configuration changes, and interface state changes suchas interaction with the Interface Manager (IM) and IP-asynchronous response mode (ARM).Task IDExamplesTask IDOperationsisisread, writeThe 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)# commitCisco IOS XR Routing Debug Command ReferenceDRR-62
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis configurationRP/0/RP0/CPU0:Jun 21 01:18:01.848 : isis[517]: Intf Loopback0: Interface configuredRP/0/RP0/CPU0:Jun 21 01:18:01.853 : isis[517]: Intf Loopback0: IPv4 Unicast: Prefixadvertisement 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 advertisedprefix: 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 sendhellosRelated CommandsCommandDescriptionundebugEnters debug mode to disable or reset multiple active debugcommand sessions.Cisco IOS XR Routing Debug Command ReferenceDRR-63
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis dis-electionsdebug isis dis-electionsTo 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. Toturn 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 Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.interface(Optional) Displays debugging output for an interface.typeInterface type. For more information, use the question mark (?)online help function.instance(Optional) Either a physical interface instance or a virtualinterface instance as follows: Physical interface instance. Naming notation israck/slot/module/port and a slash between values is requiredas part of the notation.– rack: Chassis number of the rack.– slot: Physical slot number of the modular services cardor line card.– module: Module number. A physical layer interfacemodule (PLIM) is always 0.– port: Physical port number of the interface.Note In references to a Management Ethernet interface locatedon a route processor card, the physical slot number isalphanumeric (RP0 or RP1) and the module is CPU0.Example: interface MgmtEth0/RP1/CPU0/0.Virtual interface instance. Number range varies dependingon interface type.For more information about the syntax for the router, use thequestion mark (?) online help function.level {1 2}(Optional) Displays debugging output for Level 1 or Level 2.summary(Optional) Displays debugging output for changes to electedDIS.detail(Optional) Enables detailed debug output for each candidate in aDIS election.only(Optional) Enables debug output only for the filter value.Cisco IOS XR Routing Debug Command ReferenceDRR-64
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis dis-electionsDefaultsIf no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.Command ModesEXECCommand HistoryReleaseModificationRelease 2.0This command was introduced on the Cisco CRS-1.Release 3.0No modification.Release 3.2This command was supported on the Cisco XR 12000 Series Router.Usage GuidelinesRelease 3.3.0No modification.Release 3.4.0No modification.Release 3.5.0The internal keyword was removed.To use this command, you must be in a user group associated with a task group that includes the propertask IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services onCisco 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 systemperformance. For more information about the impact on system performance when using debugcommands, refer to Using Debug Commands on Cisco IOS XR Software.CautionThe debug isis dis-elections command generates a substantial amount of output. Use the command onlywhen traffic on the IP network is low so that other activity on the system is not adversely affected.Use the debug isis dis-elections command to display information on scheduling and running DesignatedIntermediate System (DIS) elections.Task IDExamplesTask IDOperationsisisread, writeThe 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 DISelection .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 LSP0000.0000.0022.01-00 RP/0/RP0/CPU0:Jun 21 01:22:38.137 : isis[517]: IntfGigabitEthernet0/1/0/2 L1 DIS: Install ourselves (circuit number 1) as the new DISRP/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) .Cisco IOS XR Routing Debug Command ReferenceDRR-65
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis dis-electionsRP/0/RP0/CPU0:Jun 21 01:22:38.228 : isis[517]: Intf GigabitEthernet0/1/0/2 L1 DIS: Run DISelection .Related CommandsCommandDescriptionundebugEnters debug mode to disable or reset multiple active debugcommand sessions.Cisco IOS XR Routing Debug Command ReferenceDRR-66
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis local-updatesdebug isis local-updatesTo 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-updatescommand 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 Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.level {1 2}(Optional) Displays debugging output for Level 1 or Level 2.node-number number(Optional) Displays debugging output for a node. Range is 0 to255.summary(Optional) Displays an overview of LSP generation events.verbose(Optional) Displays debugging output for detail subtype, length,values (TLVs).detail(Optional) Displays debugging output for each link and prefix.topology [ipv4 ipv6] [unicast multicast](Optional) Displays debugging output for a specific topology.The debug output can be filtered by IPv4 or IPv6 unicast ormulticast topology.only(Optional) Enables debug output only for the filter value.DefaultsIf no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.Command ModesEXECCommand HistoryReleaseModificationRelease 2.0This command was introduced on the Cisco CRS-1.Release 3.0No modification.Release 3.2This command was supported on the Cisco XR 12000 Series Router.Release 3.3.0No modification.Release 3.4.0The multicast keyword was added.Release 3.5.0The internal keyword was removed.Cisco IOS XR Routing Debug Command ReferenceDRR-67
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis local-updatesUsage GuidelinesTo use this command, you must be in a user group associated with a task group that includes the propertask IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services onCisco 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 systemperformance. For more information about the impact on system performance when using debugcommands, refer to Using Debug Commands on Cisco IOS XR Software.CautionThe debug isis local-updates command generates a substantial amount of output. Use the commandonly when traffic on the IP network is low so that other activity on the system is not adversely affected.Use the debug isis local-updates command to display local system and pseudo-node link-state packet(LSP) activities.Task IDExamplesTask IDOperationsisisread, writeThe 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 01:33:23.264because of 'configuration change'enforced delay of 2000msRP/0/RP0/CPU0:Jun 21 01:33:23.265because of 'connected IP down' on50msRP/0/RP0/CPU0:Jun 21 01:33:23.345RP/0/RP0/CPU0:Jun 21 01:33:23.345RP/0/RP0/CPU0:Jun 21 01:33:23.347links (OVL: no; ATT: no; TE: no)RP/0/RP0/CPU0:Jun 21 01:33:23.350prefixesRP/0/RP0/CPU0:Jun 21 01:33:23.351fragments)Related Commands: isis[517]: L1 System Adv: LSP generation requiredLoopback0: generation rescheduled with initial delay of: isis[517]: L1 System Adv: Building LSP .: isis[517]: L1 System Adv: Building fragment 0 seq 0xd: isis[517]: L1 System Adv: Standard (IPv4 Unicast): Add: isis[517]: L1 System Adv: IPv4 Unicast: Add Narrow: isis[517]: L1 System Adv: LSP build complete (1CommandDescriptionundebugEnters debug mode to disable or reset multiple active debugcommand sessions.Cisco IOS XR Routing Debug Command ReferenceDRR-68: isis[517]: L1 System Adv: LSP generation requiredon GigabitEthernet0/1/0/2: generation scheduled with
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis mpls traffic-engdebug isis mpls traffic-engTo display debugging information for the Intermediate System-to-Intermediate System (IS-IS)Multiprotocol Label Switching (MPLS) traffic engineering operation, use the debug isis mplstraffic-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] [interfacetype instance] [level {1 2}] [lsp lsp-id] [only] [detail]no debug isis [instance instance-id] mpls traffic-end [advertisements links tunnels] [interfacetype instance] [level {1 2}] [lsp lsp-id] [only] [detail]Syntax Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.advertisements(Optional) Displays debugging output for advertisement floodedin LSPs.links(Optional) Displays debugging output for local link information.tunnels(Optional) Displays debugging output for autoroute announcetunnels.interface(Optional) Displays debugging output for an interface.instance(Optional) Either a physical interface instance or a virtualinterface instance as follows: Physical interface instance. Naming notation israck/slot/module/port and a slash between values is requiredas part of the notation.– rack: Chassis number of the rack.– slot: Physical slot number of the modular services cardor line card.– module: Module number. A physical layer interfacemodule (PLIM) is always 0.– port: Physical port number of the interface.Note In references to a Management Ethernet interface locatedon a route processor card, the physical slot number isalphanumeric (RP0 or RP1) and the module is CPU0.Example: interface MgmtEth0/RP1/CPU0/0.Virtual interface instance. Number range varies dependingon interface type.For more information about the syntax for the router, use thequestion mark (?) online help function.level {1 2}(Optional) Displays debugging output for Level 1 or Level 2.lsp lsp-id(Optional) Displays debugging output for a specific LSP.detail(Optional) Displays detailed debugging output.only(Optional) Enables debug output only for the filter value.Cisco IOS XR Routing Debug Command ReferenceDRR-69
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis mpls traffic-engDefaultsIf no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.Command ModesEXECCommand HistoryReleaseModificationRelease 2.0This command was introduced on the Cisco CRS-1.Release 3.0No modification.Release 3.2This command was supported on the Cisco XR 12000 Series Router.Usage GuidelinesRelease 3.3.0No modification.Release 3.4.0No modification.Release 3.5.0The internal keyword was removed.To use this command, you must be in a user group associated with a task group that includes the propertask IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services onCisco 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 systemperformance. For more information about the impact on system performance when using debugcommands, refer to Using Debug Commands on Cisco IOS XR Software.CautionThe debug isis mpls traffic-eng command generates a substantial amount of output. Use the commandonly when traffic on the IP network is low so that other activity on the system is not adversely affected.Use the debug isis mpls traffic-eng command to display MPLS traffic engineering activities.Task IDExamplesTask IDOperationsisisread, writeThe 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]:'Level-2'RP/0/RP0/CPU0:Jun 21 11:12:49.268 : isis[369]:'Loopback110'RP/0/RP0/CPU0:Jun 21 11:12:49.656 : isis[369]:change: 2000.0000.0026.00 (11.3.1.2) upRP/0/RP0/CPU0:Jun 21 11:12:50.631 : isis[369]:4 links; fragment ID 0; flag 0x0)RP/0/RP0/CPU0:Jun 21 11:12:59.362 : isis[369]:Skip (no link information found)RP/0/RP0/CPU0:Jun 21 11:12:59.362 : isis[369]:SUBTLV: Add (64 bytes)Cisco IOS XR Routing Debug Command ReferenceDRR-70Cfg: IPv4 Unicast: MPLS TE Level: ADDCfg: IPv4 Unicast: MPLS TE Router ID: ADDTE Link: L2 POS0/1/0/0: SEND: AdjacencyTE Adv: L2 gr28-5-6.00: SEND: Router node;TE Adv: L2 sr1.00 (11.8.1.3): BUILD SUBTLV:TE Adv: L2 router-2.00 (11.3.1.3): BUILD
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis mpls traffic-engRelated CommandsCommandDescriptionundebugEnters debug mode to disable or reset multiple active debugcommand sessions.Cisco IOS XR Routing Debug Command ReferenceDRR-71
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis packet-errorsdebug isis packet-errorsTo 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 inEXEC 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 Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.interface(Optional) Displays debugging output for an interface.typeInterface type. For more information, use the question mark (?)online help function.instance(Optional) Either a physical interface instance or a virtualinterface instance as follows: Physical interface instance. Naming notation israck/slot/module/port and a slash between values is requiredas part of the notation.– rack: Chassis number of the rack.– slot: Physical slot number of the modular services cardor line card.– module: Module number. A physical layer interfacemodule (PLIM) is always 0.– port: Physical port number of the interface.Note In references to a Management Ethernet interface locatedon a route processor card, the physical slot number isalphanumeric (RP0 or RP1) and the module is CPU0.Example: interface MgmtEth0/RP1/CPU0/0.Virtual interface instance. Number range varies dependingon interface type.For more information about the syntax for the router, use thequestion mark (?) online help function.detail(Optional) Displays debug output for dump packets with formator checksum errors.only(Optional) Enables debug output only for the filter value.DefaultsIf no value is specified for the instance-id argument, debug for all IS-IS instances is displayed.Command ModesEXECCisco IOS XR Routing Debug Command ReferenceDRR-72
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis packet-errorsCommand HistoryUsage GuidelinesReleaseModificationRelease 2.0This command was introduced on the Cisco CRS-1.Release 3.0No modification.Release 3.2This command was supported on the Cisco XR 12000 Series Router.Release 3.3.0No modification.Release 3.4.0No modification.Release 3.5.0No modification.To use this command, you must be in a user group associated with a task group that includes the propertask IDs. For detailed information about user groups and task IDs, see the Configuring AAA Services onCisco 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 systemperformance. For more information about the impact on system performance when using debugcommands, refer to Using Debug Commands on Cisco IOS XR Software.CautionThe debug isis packet-errors command generates a substantial amount of output. Use the commandonly when traffic on the IP network is low so that other activity on the system is not adversely affected.Use the debug isis packet-errors command to diagnose problems where packets are dropped due to aformat, checksum, or authentication error.Task IDExamplesTask IDOperationsisisread, writeThe 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 : DroppedL2 LAN IIH from GigabitEthernet0/1/0/2 SNPA 0013.5f12.64ab due to authentication TLV notfoundRP/0/RP0/CPU0:Jun 21 01:54:19.652 : isis[517]: BAD L2 LAN IIH rcvd fromGigabitEthernet0/1/0/2 SNPA 0013.5f12.64ab: dropped because authentication TLV not foundRelated CommandsCommandDescriptionundebugEnters debug mode to disable or reset multiple active debugcommand sessions.Cisco IOS XR Routing Debug Command ReferenceDRR-73
IS-IS Debug Commands on Cisco IOS XR Softwaredebug isis routedebug isis routeTo display debugging information for the Intermediate System-to-Intermediate System (IS-IS) localrouting table, use the debug isis route command in EXEC mode. To turn off debugging output, use theno form of this command.debug isis [instance instance-id] route [prefix/length [longer-prefixes]] [summary] [prefix-listprefix-list-name] [topology [ipv4 ipv6] [unicast multicast]] [verbose detail] [only]no debug isis [instance instance-id] route [prefix/length [longer-prefixes]] [summary] [prefix-listprefix-list-name] [topology [ipv4 ipv6] [unicast multicast]] [verbose detail] [only]Syntax Descriptioninstance instance-id(Optional) Displays debugging output for the specified IS-ISinstance only. The instance-id argument is the instance identifier(alphanumeric) defined by the router isis command.prefix/length(Optional) An IPv4 or IPv6 address prefix and prefix length tolimit the debug output. The prefix length is indicated as a slash(/) and number. For example, /8 indicates that the first eight bitsin the IP prefix are network bits.longer-prefixes(Optional) Displays the debugging output for longer prefixes ofthe prefix/length filter.summary(Optional) Displays a summary of the IS-IS local routing table.prefix-list prefix-list-name(Optional) Displays debugging output limited to an access list.topology [ipv4 ipv6] [unicast multicast](Optional) Displays debugging output for a
Release 2.0 This command was introduced on the Cisco CRS-1. Release 3.0 No modification. Release 3.2 This command was supported on the Cisco XR 12000 Series Router. Release 3.3.0 No modification. Release 3.4.0 The multicast keyword was added. Release 3.5.0 The internal
Send documentation comments to mdsfeedback-doc@cisco.com. Contents x Cisco MDS 9000 Family Command Reference OL-6970-03, Cisco MDS SAN-OS Release 2.x debug klm 6-70 debug license 6-72 debug logfile 6-73 debug mcast 6-75 debug mip 6-77 debug module 6-78 debug ntp 6-79
Catalyst 2960 Switch Debug Commands This appendix describes the debug privileged EXEC commands that have been created or changed for use with the Catalyst 2960 switch. These commands are helpful in diagnosing and resolving . Switch(config-if)# auto qos voip cisco-phone 21:29:41: mls qos map cos-dscp 0 8 16 26 32 46 48 56 21:29:41: mls qos
IAR - Build for Debug i7. Select Debug Build, and Select Debugger - Use Debug Build for development, output is a “C Spy” file which includes Debug Information - Allows “C Code” debug using IAR Debugger: data and functions are accessed by their C Code names. - You can use a tool like JT
Provided by the Academic Center for Excellence 1 Spanish: Commands Updated February 20. Spanish: Commands . Formal Commands (Ud. and Uds.) Formal commands are used when talking in the Usted/Ustedes form of a verb. To create formal affirmative and negative commands, use the third person
The Ember Development Kit supports network debug connected to Ethernet through its Debug Adapter (ISA3), which also takes node activity accessible to the Ember Desktop network analyzer utility. Together, Debug Adapters (ISA3s) and Ember Desktop provide an integrated development environment where you can perform a number of tasks, including:File Size: 398KB
Business provides valuable call reporting and statistics to Cisco customers. Infortel enables customers to manage telecom expenses by tracking call trends, identifying potential fraud, . Enable the following debug processes to monitor the FTP and CDR activity: debug voip fileacct debug voip dump-file-acct debug ip ftp events
MATLAB Commands – 1 MATLAB Commands and Functions Dr. Brian Vick Mechanical Engineering Department Virginia Tech General Purpose Commands Operators and Special Characters / 3 Commands for Managing a Session / 3 Special Variables and Constants / 4 System and File Commands / 4
There are three steps to debug the Linux kernel with GDB: 1. Compile the kernel with KGDB support. 2. Configure the Linux kernel on the target to run in debug mode. 3. Use the GDB client to connect to the target via serial or network. . add Linux awareness debug commands to GDB (lx-).
