Ospf Area Ids - Avaya Virtual Services Platform 7000 Series Troubleshooting Manual

2. Enter the ip ospf mtu-ignore enable command.
3. Repeat steps 1 and 2 for other OSPF-enabled VLAN interfaces and switch ports as required.

OSPF area IDs

Ensure that neighboring OSPF routers are configured with matching area IDs.
Checking the OSPF router area ID
Display and observe the switch OSPF router area ID.
Procedure
1. Log on to ACLI to enter User EXEC mode.
2. Enter the show ip ospf area
3. Observe the command output display and note the Area ID: value.
4. Repeat steps 1 through 3 for other OSPF neighbor switches.
Checking OSPF area ID mismatch statistics
Display and observe OSPF statistics for area ID mismatch information.
Procedure
1. Log on to ACLI to enter User EXEC mode.
2. Enter the show ip ospf ifstats mismatch command.
3. Observe the command display output and note any mismatch statistics for area ID.
4. Repeat steps 1 through 3 for other OSPF neighbor switches.
Configuring switch OSPF router area IDs
Ensure that switches in the same OSPF domain have the same OSPF router area IDs.
Procedure
1. Enter OSPF Router Configuration mode:
enable
configure terminal
router ospf
2. Enter the network <ip> area <A.B.C.D> command to assign an area ID to the switch.
3. Repeat steps 1 and 2 as required to assign the same area ID to other OSPF neighbor
switches.
July 2015
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Failure to establish OSPF adjacency
Troubleshooting Avaya VSP 7000 Series
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