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show ip ospf interface
This command displays summary information for OSPF interfaces.
Syntax
show ip ospf interface [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4093)
Command Mode
Privileged Exec
Example
Console#show ip ospf interface vlan 1
Vlan 1 is up
Interface Address 10.1.1.253, Mask 255.255.255.0, Area 10.1.0.0
Router ID 10.1.1.253, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State BDR, Priority 1
Designated Router id 10.1.1.252, Interface address 10.1.1.252
Backup Designated router id 10.1.1.253, Interface addr 10.1.1.253
Timer intervals configured, Hello 10, Dead 40, Retransmit 5
Console#
Table 4-99 show ip ospf interface - display description
Field Description
Vlan VLAN ID and Status of physical link
Interface Address IP address of OSPF interface
Mask Network mask for interface address
Area OSPF area to which this interface belongs
Router ID Router ID
Network Type Includes broadcast, non-broadcast, or point-to-point networks
Cost Interface transmit cost
Transmit Delay Interface transmit delay (in seconds)
State • Disabled – OSPF not enabled on this interface
• Down – OSPF is enabled on this interface, but interface is down
• Loopback – This is a loopback interface
• Waiting – Router is trying to find the DR and BDR
• DR – Designated Router
• BDR – Backup Designated Router
• DRother – Interface is on a multiaccess network, but is not the DR or BDR
Priority Router priority
Designated Router Designated router ID and respective interface address
Backup Designated
Router
Backup designated router ID and respective interface address
Timer intervals Configuration settings for timer intervals, including Hello, Dead and Retransmit