Specifications

show ip ospf virtual-links
16-34 IPv4 Routing Protocol Configuration
show ip ospf virtual-links
Usethiscommandtodisplayinformationaboutthevirtuallinksconfiguredonarouter.Avirtual
linkrepresentsalogicalconnectionbetweenthebackboneandanon‐backboneOSPFarea.
Syntax
show ip ospf virtual-links
Parameters
None.
Defaults
None.
Mode
Anyroutermode.
Example
ThisexampleshowshowtodisplayOSPFvirtuallinksinformation:
C3(su)->router#show ip ospf virtual-links
Neighbor ID 155.155.155.155
Transit area 0.0.0.8
Transmit delay is 1 sec State point-to-point
Timer intervals configured:
Hello 10, Dead 40, Retransmit 5
Adjacency State Full
Table 16‐6providesanexplanationofthecommandoutput.
Table 16-5 show ip ospf neighbor Output Details
Output What It Displays...
ID Neighbor’s router ID of the OSPF neighbor.
Pri Neighbor’s priority over this interface.
State Neighbor’s OSPF communication state.
Dead-Int Interval (in seconds) this router will wait without receiving a Hello packet from a
neighbor before declaring the neighbor is down.
Address Neighbor’s IP address.
Interface Neighbor’s interface (VLAN).
Table 16-6 show ip ospf virtual links Output Details
Output What It Displays...
Neighbor ID ID of the virtual link neighbor, and the virtual link status, which is up or down.
Transit area ID of the transit area through which the virtual link is configured.
Transmit delay Amount of time required to transmit a link state update packet on an interface.
State Whether the state of this interface is down or point-to-point.