Use this command to display the state of communication between an OSPFv3 router and its neighbor routers.
| router-id | (Optional) Displays OSPFv3 neighbors for a specific router ID. |
| detail | (Optional) Displays detailed information about the neighbors, including the area in which they are neighbors, who the designated router/backup designated router is on the subnet, if applicable, and the decimal equivalent of the E-bit value from the hello packet options field. |
| vlan vlan-id | (Optional) Displays OSPFv3 neighbors for a specific VLAN. This VLAN must be configured for IP routing as described in the S-, K-, and 7100 Series Configuration Guide. |
All command modes.
This example shows how to use the show ospf neighbor command:
System(rw)->show ipv6 ospf neighbor detail Neighbor 23.10.3.2 Interface index is 000000000000023 In the area 0.0.0.0 via vlan.0.23 Neighbor priority is 1, state is FULL Options 0x13 Dead interval countdown 38 sec(s) Link state retransmission queue length is 0 Neighbor has changed state 6 times
show ipv6 ospf neighbor Output Details provides an explanation of the command output.
show ipv6 ospf neighbor Output Details
| Output... | What it displays... |
|---|---|
| Neighbor | Neighbor‘s router ID of the OSPFv3 neighbor. |
| Interface index is | Interface index for this neighbor link. |
| Neighbor priority is | Neighbor‘s priority over this interface. |
| State | Neighbor‘s OSPFv3 communication state. |
| Options | OSPFv3 options as defined in RFC 2740. |
| Dead interval countdown | Interval (in seconds) this router will wait without receiving a Hello packet from a neighbor before declaring the neighbor is down. |
| Link state retransmission queue length | Length of the link state retransmission queue. |
| Neighbor has changed state x times | Number of times the neighbor has changed state. |
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