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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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Table Of Contents
OSPF Debug Commands on Cisco IOS XR Software
debug ospf mpls traffic-eng advertisements
OSPF Debug Commands on Cisco IOS XR Software
This chapter describes the commands used to debug the Open Shortest Path First (OSPF) routing protocol on Cisco IOS XR software.
debug ospf adj
To display debugging information for Open Shortest Path First (OSPF) adjacency events, use the debug ospf adj command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name adj [interface-type interface-instance]
no debug ospf instance-name adj [interface-type interface-instance]
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf adj command to display debugging messages containing information related to adjacency events, such as the following:
•
Interface down event.
•
•
Caution
Task ID
Examples
The following is sample output from the debug ospf adj command:
RP/0/RP0/CPU0:router# debug ospf 1 adj GigabitEthernet0/2/0/0RP/0/RP0/CPU0:13:39: ospf[239]: Neighbor change Event on intf GigabitEthernet0/2/0/0RP/0/RP0/CPU0:13:39: ospf[239]: DR/BDR election on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:13:39: ospf[239]: Elect BDR Router ID 192.168.20.207(IP Addr 192.168.20.207)RP/0/RP0/CPU0:13:39: ospf[239]: Elect DR Router ID 1.1.1.1(IP Addr 192.168.20.206)RP/0/RP0/CPU0:13:39: ospf[239]: DR: 1.1.1.1(Id) 192.168.20.206(IP Addr)RP/0/RP0/CPU0:13:39: ospf[239]: BDR: 192.168.20.207(Id) 192.168.20.207(IP Addr)RP/0/RP0/CPU0:14:9: ospf[239]: Rcv DBD from 192.168.20.207(192.168.20.207) on GigabitEthernet0/2/0/0 seq 0x19b8 opt 0x52 flag 0x7 len 32 mtu 1500 state FULLRP/0/RP0/CPU0:14:9: ospf[239]: Bad seq received from 192.168.20.207 on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:14:9: ospf[239]: Send DBD to 192.168.20.207(192.168.20.207) on GigabitEthernet0/2/0/0 seq 0x5251 opt 0x52 flag 0x7 len 32RP/0/RP0/CPU0:14:9: ospf[239]: Neighbor change Event on intf GigabitEthernet0/2/0/0RP/0/RP0/CPU0:14:9: ospf[239]: DR/BDR election on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:14:9: ospf[239]: Elect BDR Router ID 192.168.20.207(IP Addr 192.168.20.207)RP/0/RP0/CPU0:14:9: ospf[239]: Elect DR Router ID 1.1.1.1(IP Addr 192.168.20.206)RP/0/RP0/CPU0:14:9: ospf[239]: DR: 1.1.1.1(Id) 192.168.20.206(IP Addr)RP/0/RP0/CPU0:14:9: ospf[239]: BDR: 192.168.20.207(Id) 192.168.20.207(IP Addr)RP/0/RP0/CPU0:14:14: ospf[239]: Rcv DBD from 192.168.20.207(192.168.20.207) on GigabitEthernet0/2/0/0 seq 0x19b8 opt 0x52 flag 0x7 len 32 mtu 1500 state EXSTARTRP/0/RP0/CPU0:14:14: ospf[239]: NBR Negotiation Done. We are the SLAVERP/0/RP0/CPU0:14:14: ospf[239]: build dbd: took 0 ms for nbr 192.168.20.207, count=1RP/0/RP0/CPU0:14:14: ospf[239]: Send DBD to 192.168.20.207(192.168.20.207) on GigabitEthernet0/2/0/0 seq 0x19b8 opt 0x52 flag 0x2 len 52RP/0/RP0/CPU0:14:14: ospf[239]: Rcv DBD from 192.168.20.207(192.168.20.207) on GigabitEthernet0/2/0/0 seq 0x19b9 opt 0x52 flag 0x1 len 52 mtu 1500 state EXCHANGERP/0/RP0/CPU0:14:14: ospf[239]: Exchange Done with 192.168.20.207 on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:14:14: ospf[239]: sent LS REQ packet to 192.168.20.207, length 12RP/0/RP0/CPU0:14:14: ospf[239]: Send DBD to 192.168.20.207(192.168.20.207) on GigabitEthernet0/2/0/0 seq 0x19b9 opt 0x52 flag 0 len 32RP/0/RP0/CPU0:14:14: ospf[239]: Synchronized with 192.168.20.207 on GigabitEthernet0/2/0/0, state FULLRP/0/RP0/CPU0:14:14: ospf[239]: %ROUTING-OSPF-5-ADJCHG : Process 1, Nbr 192.168.20.207 on GigabitEthernet0/2/0/0 from LOADING to FULL, Loading DoneRP/0/RP0/CPU0:14:14: ospf[239]: Flooding Stats for nbr 192.168.20.207, LSA-Req Sent: 2 packets, 2 LSAs; LSA Upd rec'ed: 5 packets, 5 LSAs, DBD-rec'ed: 4 packets, 2 LSAsRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf chkpt
To display debugging information for Open Shortest Path First (OSPF) checkpoint information, use the debug ospf chkpt command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name chkpt
no debug ospf instance-name chkpt
Syntax Description
Defaults
Debugging is disabled.
Command Modes
EXEC
Command History
Release 3.4.0
This command was introduced on the Cisco CRS-1 and Cisco XR 12000 Series Router.
Release 3.5.0
No modification.
Release 3.6.0
No modification.
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.
OSPF checkpoints neighbor uptime to improve scalability. The debug ospf chkpt command logs checkpoint events such as neighbor uptime items and checkpoint-related error conditions.
Caution
Task ID
Examples
The following example shows how to enable debugging information OSPF checkpoint information:
RP/0/RP0/CPU0:router# debug ospf 1 chkptRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf config
To display debugging information for the Open Shortest Path First (OSPF) configuration, use the debug ospf config command in EXEC mode. To turn off debugging output, use the no form of this command.
debug ospf instance-name config
no debug ospf instance-name config
Syntax Description
Defaults
Debugging is disabled.
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
Task ID
Examples
The following example shows how to enable debugging information for the OSPF configuration:
RP/0/RP0/CPU0:router# debug ospf configRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf database-timer
To display debugging information for Open Shortest Path First (OSPF) database timer events, use the debug ospf database-timer command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name database-timer
no debug ospf instance-name database-timer
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf database-timer command to display messages containing information related to database events.
Caution
Task ID
Examples
The following is sample output from the debug ospf database-timer command:
RP/0/RP0/CPU0:router# debug ospf 1 database-timerRP/0/RP0/CPU0:26:18: ospf[239]: Stop timer for 1.1.1.1 1.1.1.1 1 3RP/0/RP0/CPU0:26:18: ospf[239]: Stop timer for 192.168.20.207 192.168.20.207 1 3RP/0/RP0/CPU0:26:18: ospf[239]: Stop timer for 192.168.20.207 192.168.20.207 2 3RP/0/RP0/CPU0:26:18: ospf[239]: Add 1.1.1.1 1.1.1.1 1 to min 27RP/0/RP0/CPU0:26:18: ospf[239]: Delay 600/765270/765788 translated to 27/0 for 15/21 0 (3)RP/0/RP0/CPU0:26:58: ospf[239]: Add 192.168.20.207 192.168.20.207 1 to min 27RP/0/RP0/CPU0:26:58: ospf[239]: Delay 600/725715/725852 translated to 27/0 for 15/60 0 (3)RP/0/RP0/CPU0:26:58: ospf[239]: Add 192.168.20.207 192.168.20.207 2 to min 27RP/0/RP0/CPU0:26:58: ospf[239]: Delay 600/725709/725852 translated to 27/0 for 15/60 0 (3)Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf events
To display information on OSPF-related events such as adjacencies, flooding information, designated router selection, and Shortest Path First (SPF) calculation, use the debug ospf events command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name events [interface-type interface-instance]
no debug ospf instance-name events [interface-type interface-instance]
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf events command to display messages containing information related to neighbor state, interface, database, and so on.
The debug ospf events command output shown may appear if any of the following situations occurs:
•
•
•
If a router configured for OSPF routing is not seeing an OSPF neighbor on an attached network, perform the following tasks:
•
•
In the following example line, the neighbor and this router are not part of a stub area (that is, one is a part of a transit area and the other is a part of a stub area, as explained in RFC 1247):
OSPF: hello packet with mismatched E bit
Caution
Task ID
Examples
The following is sample output from the debug ospf events command:
RP/0/RP0/CPU0:router# debug ospf 1 eventsRP/0/RP0/CPU0:28:55: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/2)RP/0/RP0/CPU0:28:55: ospf[239]: Send hello pkt pri 1 options 0x12 DR 0.0.0.0 BDR 0.0.0.0 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:28:59: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:28:59: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:28:59: ospf[239]: End of hello processingRP/0/RP0/CPU0:29:5: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/2)RP/0/RP0/CPU0:29:5: ospf[239]: Send hello pkt pri 1 options 0x12 DR 0.0.0.0 BDR 0.0.0.0 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:29:9: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:29:9: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:29:9: ospf[239]: End of hello processingRP/0/RP0/CPU0:29:15: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/2)RP/0/RP0/CPU0:29:15: ospf[239]: Send hello pkt pri 1 options 0x12 DR 0.0.0.0 BDR 0.0.0.0 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:29:19: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:29:19: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:29:19: ospf[239]: End of hello processingRP/0/RP0/CPU0:29:25: ospf[239]: end of Wait on intf GigabitEthernet0/2/0/0RP/0/RP0/CPU0:29:25: ospf[239]: DR/BDR election on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:29:25: ospf[239]: Elect BDR Router ID 1.1.1.1(IP Addr 192.168.20.206)RP/0/RP0/CPU0:29:25: ospf[239]: Elect DR Router ID 192.168.20.207(IP Addr 192.168.20.207)RP/0/RP0/CPU0:29:25: ospf[239]: Elect BDR Router ID 1.1.1.1(IP Addr 192.168.20.206)Related Commands
Displays information about each OSPF packet received.
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf flood
To display information about Open Shortest Path First (OSPF) flood events such as acknowledgments and updates received, use the debug ospf flood command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name flood [access-list-name]
no debug ospf instance-name flood [access-list-name]
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf flood command to display messages containing information related to flood events.
Caution
Task ID
Examples
The following is sample output from the debug ospf flood command:
RP/0/RP0/CPU0:router# debug ospf 1 floodRP/0/RP0/CPU0:33:19: ospf[239]: Rcv Update Type 2, LSID 192.168.20.207, Adv rtr 192.168.20.207, age 764, seq 0x80000001RP/0/RP0/CPU0:33:19: ospf[239]: Mask 255.255.255.0RP/0/RP0/CPU0:33:19: ospf[239]: %ROUTING-OSPF-5-ADJCHG : Process 1, Nbr 192.168.20.207 on GigabitEthernet0/2/0/0 from LOADING to FULL, Loading DoneRP/0/RP0/CPU0:33:19: ospf[239]: Sending update on GigabitEthernet0/2/0/0 to 192.168.20.207 Area 0RP/0/RP0/CPU0:33:19: ospf[239]: Send Type 1, LSID 1.1.1.1, Adv rtr 1.1.1.1, age 40, seq 0x80000001 (0)RP/0/RP0/CPU0:33:19: ospf[239]: Inc retrans unit nbr count index 1 (0/1) to 1/1RP/0/RP0/CPU0:33:19: ospf[239]: Set Nbr 192.168.20.207 1 first flood info from 0 (0) to 0x81e1994 (18)RP/0/RP0/CPU0:33:19: ospf[239]: Init Nbr 192.168.20.207 1 next flood info to 0x81e1994RP/0/RP0/CPU0:33:19: ospf[239]: Add Type 1 LSA ID 1.1.1.1 Adv rtr 1.1.1.1 Seq 80000002 to GigabitEthernet0/2/0/0 192.168.20.207 retransmission listRP/0/RP0/CPU0:33:19: ospf[239]: Start GigabitEthernet0/2/0/0 192.168.20.207 retrans timerRP/0/RP0/CPU0:33:19: ospf[239]: Set idb next flood info from 0 (0) to 0x81e1994 (18)RP/0/RP0/CPU0:33:19: ospf[239]: Add Type 1 LSA ID 1.1.1.1 Adv rtr 1.1.1.1 Seq 80000002 to GigabitEthernet0/2/0/0 flood listRP/0/RP0/CPU0:33:19: ospf[239]: Start GigabitEthernet0/2/0/0 pacing timer for 0.000001 msecRP/0/RP0/CPU0:33:19: ospf[239]: Flooding update on GigabitEthernet0/2/0/0 to 224.0.0.5 Area 0RP/0/RP0/CPU0:33:19: ospf[239]: Send Type 1, LSID 1.1.1.1, Adv rtr 1.1.1.1, age 1, seq 0x80000002 (0)RP/0/RP0/CPU0:33:19: ospf[239]: Create retrans unit 0x81e0178/0x81df818 1 (0/1) 1RP/0/RP0/CPU0:33:19: ospf[239]: Set nbr 1 (0/1) retrans to 4976 count to 1RP/0/RP0/CPU0:33:19: ospf[239]: Set idb next flood info from 0x81e1994 (18) to 0 (0)RP/0/RP0/CPU0:33:19: ospf[239]: Remove Type 1 LSA ID 1.1.1.1 Adv rtr 1.1.1.1 Seq 80000002 from GigabitEthernet0/2/0/0 flood listRP/0/RP0/CPU0:33:19: ospf[239]: Stop GigabitEthernet0/2/0/0 flood timerRP/0/RP0/CPU0:33:21: ospf[239]: Sending delayed ACK on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:33:21: ospf[239]: Ack Type 1, LSID 192.168.20.207, Adv rtr 192.168.20.207, age 764, seq 0x80000003RP/0/RP0/CPU0:33:21: ospf[239]: Ack Type 2, LSID 192.168.20.207, Adv rtr 192.168.20.207, age 764, seq 0x80000001RP/0/RP0/CPU0:33:21: ospf[239]: Received ACK from 192.168.20.207 on GigabitEthernet0/2/0/0RP/0/RP0/CPU0:33:21: ospf[239]: Rcv Ack Type 1, LSID 1.1.1.1, Adv rtr 1.1.1.1, age 40, seq 0x80000001RP/0/RP0/CPU0:33:24: ospf[239]: Retransmitting update on GigabitEthernet0/2/0/0 to 192.168.20.207 Area 0Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf gs
To display information on Open Shortest Path First (OSPF) graceful shutdown events, use the debug ospf gs command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name gs
no debug ospf instance-name gs
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf gs command to display information about OSPF graceful shutdown events.
Caution
Task ID
Examples
The following is sample output from the debug ospf gs command:
RP/0/RP0/CPU0:router# debug ospf 1 gsRP/0/RP0/CPU0:1h:39:57: ospf[239]: GS: Leave init. state/event Initial/Shutdown_Not_ConfiguredRP/0/RP0/CPU0:1h:39:57: ospf[239]: GS: Moving to normal OSPF operation. state Initial -> NormalRP/0/RP0/CPU0:1h:39:57: ospf[239]: GS: NORMAL memory notification seenRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf hello
To display information about Open Shortest Path First (OSPF) hello events for an interface or all interfaces, use the debug ospf hello command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name hello [interface-type interface-instance]
no debug ospf instance-name hello [interface-type interface-instance]
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf hello command to obtain information about the hello protocol messages related to the hello protocol events such as receiving, sending, and processing hello packets.
Caution
Task ID
Examples
The following is sample output from the debug ospf hello command:
RP/0/RP0/CPU0:router# debug ospf 1 helloRP/0/RP0/CPU0:34:50: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:34:50: ospf[239]: ospf_router Rcv hello from new nbr 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207RP/0/RP0/CPU0:34:50: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 0.0.0.0 nbr_bdr 0.0.0.0)RP/0/RP0/CPU0:34:50: ospf[239]: End of router thread hello processingRP/0/RP0/CPU0:34:56: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/2)RP/0/RP0/CPU0:34:56: ospf[239]: Send hello pkt pri 1 options 0x12 DR 0.0.0.0 BDR 0.0.0.0 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:35:0: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:35:0: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:35:0: ospf[239]: End of hello processingRP/0/RP0/CPU0:35:6: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/2)RP/0/RP0/CPU0:35:6: ospf[239]: Send hello pkt pri 1 options 0x12 DR 0.0.0.0 BDR 0.0.0.0 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:35:10: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:35:10: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:35:10: ospf[239]: End of hello processingRP/0/RP0/CPU0:35:16: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/2)RP/0/RP0/CPU0:35:16: ospf[239]: Send hello pkt pri 1 options 0x12 DR 0.0.0.0 BDR 0.0.0.0 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:35:20: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/2)RP/0/RP0/CPU0:35:20: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:35:20: ospf[239]: End of hello processingRP/0/RP0/CPU0:35:26: ospf[239]: Send hello to 224.0.0.5 area 0 on GigabitEthernet0/2/0/0 from 192.168.20.206 (nbr/if state 3/6)RP/0/RP0/CPU0:35:26: ospf[239]: Send hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0RP/0/RP0/CPU0:35:26: ospf[239]: %ROUTING-OSPF-5-ADJCHG : Process 1, Nbr 192.168.20.207 on GigabitEthernet0/2/0/0 from LOADING to FULL, Loading DoneRP/0/RP0/CPU0:35:30: ospf[239]: Rcv hello from 192.168.20.207 area 0 from GigabitEthernet0/2/0/0 192.168.20.207 (nbr/if state 3/6)RP/0/RP0/CPU0:35:30: ospf[239]: Rcv hello pkt pri 1 options 0x12 DR 192.168.20.207 BDR 192.168.20.206 hello 10 dead 40 netmask 255.255.255.0 (nbr_dr 192.168.20.207 nbr_bdr 192.168.20.206)RP/0/RP0/CPU0:35:30: ospf[239]: End of hello processingRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf lsa-generation
To display information about Open Shortest Path First (OSPF) link-state advertisement (LSA) events, use the debug ospf lsa-generation command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name lsa-generation [access-list-name]
no debug ospf instance-name lsa-generation [access-list-name]
Syntax Description
Defaults
Debugging is disabled.
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.
Use the debug ospf lsa-generation command to display messages containing information related to LSA generation events.
Caution
Task ID
Examples
The following is sample output from the debug ospf lsa-generation command:
RP/0/RP0/CPU0:router# debug ospf 1 lsa-generationRP/0/RP0/CPU0:36:32: ospf[239]: Build router LSA for area 0, router ID 1.1.1.1, seq 0x80000001RP/0/RP0/CPU0:36:32: ospf[239]: Start redist-scanningRP/0/RP0/CPU0:36:32: ospf[239]: Scan for redistributionRP/0/RP0/CPU0:36:32: ospf[239]: End scanning, Elapsed time 000000000.000000000RP/0/RP0/CPU0:37:11: ospf[239]: %ROUTING-OSPF-5-ADJCHG : Process 1, Nbr 192.168.20.207 on GigabitEthernet0/2/0/0 from LOADING to FULL, Loading DoneRP/0/RP0/CPU0:37:12: ospf[239]: Build router LSA for area 0, router ID 1.1.1.1, seq 0x80000002Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf mda
To display debugging information for the Open Shortest Path First (OSPF) management data API (MDA), use the debug ospf mda command in EXEC mode. To turn off debugging output, use the no form of this command.
debug ospf instance-name mda
no debug ospf instance-name mda
Syntax Description
Defaults
Debugging is disabled.
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
Task ID
Examples
The following example shows how to enable debugging information for the OSPF MDA:
RP/0/RP0/CPU0:router# debug ospf mdaRelated Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf monitor
To display debugging information for Open Shortest Path First (OSPF) Shortest Path First (SPF) (Dijkstra) monitoring, use the debug ospf monitor command in EXEC mode. To turn off debugging output, use the no form of this command.
debug ospf instance-name monitor
no debug ospf instance name monitor
Syntax Description
Defaults
Debugging is disabled.
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
Task ID
Examples
The following is sample output from the debug ospf monitor command:
RP/0/RP0/CPU0:router# debug ospf monitorRP/0/RP0/CPU0:40:40: ospf[239]: sched dijkstra: Schedule SPF in area 0 Change in LS ID 1.1.1.1, LSA type R,RP/0/RP0/CPU0:40:40: ospf[239]: Begin Dijkstra for area 0 at 000002440.267000000RP/0/RP0/CPU0:40:40: ospf[239]: initialize throttling to 500 msRP/0/RP0/CPU0:40:40: ospf[239]: End Dijkstra at 000002440.269000000, Total elapsed time 000000000.002000000RP/0/RP0/CPU0:41:19: ospf[239]: initialize throttling to 500 msRP/0/RP0/CPU0:41:19: ospf[239]: sched dijkstra: Schedule SPF in area 0 Change in LS ID 192.168.20.207, LSA type R,RP/0/RP0/CPU0:41:19: ospf[239]: initialize throttling to 500 msRP/0/RP0/CPU0:41:19: ospf[239]: %ROUTING-OSPF-5-ADJCHG : Process 1, Nbr 192.168.20.207 on GigabitEthernet0/2/0/0 from LOADING to FULL, Loading DoneRP/0/RP0/CPU0:41:19: ospf[239]: sched dijkstra: Schedule SPF in area 0 Change in LS ID 192.168.20.207, LSA type N,RP/0/RP0/CPU0:41:19: ospf[239]: reset throttling to 5000 msRP/0/RP0/CPU0:41:19: ospf[239]: Schedule SPF: spf_time 000002440.272000000 wait_interval 000000005.000000000RP/0/RP0/CPU0:41:19: ospf[239]: Force running SPFRP/0/RP0/CPU0:41:19: ospf[239]: sched dijkstra: Schedule SPF in area 0 Change in LS ID 0.0.0.0, LSA type R, N,RP/0/RP0/CPU0:41:20: ospf[239]: reset throttling to 500 msRP/0/RP0/CPU0:41:20: ospf[239]: wait_interval 500 ms next wait_interval 5000 msRP/0/RP0/CPU0:41:20: ospf[239]: sched dijkstra: Schedule SPF in area 0 Change in LS ID 1.1.1.1, LSA type R,RP/0/RP0/CPU0:41:20: ospf[239]: Begin Dijkstra for area 0 at 000002480.302000000RP/0/RP0/CPU0:41:20: ospf[239]: End Dijkstra at 000002480.302000000, Total elapsed time 000000000.000000000Related Commands
undebug
Enters debug mode to disable or reset multiple active debug command sessions.
debug ospf mpls traffic-eng advertisements
To print information about traffic engineering advertisements in Open Shortest Path First (OSPF) link-state advertisement (LSA) messages, use the debug ospf mpls traffic-eng advertisements command in EXEC mode. To disable debugging output, use the no form of this command.
debug ospf instance-name mpls traffic-eng advertisements [access-list-name]
no debug ospf instance-name mpls traffic-eng advertisements [access-list-name]
Syntax Description
Defaults
Debugging is disabled.
Command Modes
EXEC
Co
