Viewing OSPF interface information
Syntax:
show ip ospf interface [vlan vlan-id | ip-addr]
ip-address
Displays the OSPF interface information for the specified IP address.
vlan-id
Displays the OSPF interface information for the specified IP address.
The following table shows the information displayed for the OSPF interface.
Field |
Content |
---|---|
IP Address |
The local IP address for this interface. |
Status |
enabled or disabled—Whether OSPF is currently enabled on this interface. |
Area ID |
The ID of the area that this interface is in. |
State |
The current state of the interface. The value will be one of the following:
|
Auth-type |
none or simple — Will be none if no authentication key is configured, simple if an authentication key is configured. All routers running OSPF on the same link must be using the same authentication type and key. |
Chain |
The name of the key chain configured for the specified interface. (See the access security guidefor your switch.) |
Cost |
The OSPF's metric for this interface. |
Pri |
This routing switch's priority on this interface for use in the designated router election algorithm. |
Passive |
Whether the interface sends link-state advertisements (LSAs) to all other routers in the same Autonomous System (AS.) |
Example
Output for show ip ospf interface
switch# show ip ospf interface OSPF Interface Status IP Address Status Area ID State Auth-type Cost Pri Passive --------------- -------- -------------- ------- --------- ------ --- ------- 10.3.18.36 enabled 10.3.16.0 DOWN none 1 1 no 10.3.53.36 enabled 10.3.48.0 BDR none 1 1 no
OSPF interface configuration
Admin Authen IP Address Area ID Status Type Type Cost Pri --------------- --------------- -------- -------- ------ ----- --- 172.16.30.186 backbone enabled Pt-to-Pt none 100 n/a