Administrator Guide

Item Description
Designated
Router...
This line displays the ID of the Designated Router and its interface address.
Backup
Designated...
This line displays the ID of the Backup Designated Router and its interface address.
Timer intervals... This line displays the interface’s timer settings for Hello interval, Dead interval,
Transmit Delay (Wait), and Retransmit Interval.
Hello due... This line displays the amount time until the next Hello packet is sent out this
interface.
Neighbor
Count...
This line displays the number of neighbors and adjacent neighbors. Listed below this
line are the details about each adjacent neighbor.
Example
Dell>show ip ospf int
TenGigabitEthernet 1/17 is up, line protocol is up
Internet Address 192.168.1.2/30, Area 0.0.0.1
Process ID 1, Router ID 192.168.253.2, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 192.168.253.2, Interface address 192.168.1.2
Backup Designated Router (ID) 192.168.253.1, Interface address
192.168.1.1
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:02
Neighbor Count is 1, Adjacent neighbor count is 1
Adjacent with neighbor 192.168.253.1 (Backup Designated Router)
TenGigabitEthernet 1/23 is up, line protocol is up
Internet Address 192.168.0.1/24, Area 0.0.0.1
Process ID 1, Router ID 192.168.253.2, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State DROTHER, Priority 1
Designated Router (ID) 192.168.253.5, Interface address 192.168.0.4
Backup Designated Router (ID) 192.168.253.3, Interface address
192.168.0.2
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:08
Neighbor Count is 3, Adjacent neighbor count is 2
Adjacent with neighbor 192.168.253.5 (Designated Router)
Adjacent with neighbor 192.168.253.3 (Backup Designated Router)
Loopback 0 is up, line protocol is up
Internet Address 192.168.253.2/32, Area 0.0.0.1
Process ID 1, Router ID 192.168.253.2, Network Type LOOPBACK, Cost: 1
Loopback interface is treated as a stub Host.
Dell>
show ip ospf neighbor
Display the OSPF neighbors connected to the local router.
C9000 Series
Syntax
show ip ospf [process-id |vrf vrf-name] neighbor
Parameters
process-id Enter the OSPF Process ID to show a specific process. If no Process ID is entered,
command applies only to the first OSPF process.
vrf vrf-name Enter the keyword vrf and the name of the VRF to view information
corresponding to the OSPF neighbors that are tied to a specific VRF.
Command Modes EXEC Privilege
Open Shortest Path First (OSPFv2 and OSPFv3) 1211