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DES-7200 Configuration Guide Chapter 4 OSPF
Configuration
4-34
maintenance commands:
1. Show the status of the OSPF neighbor
Use the show ip ospf [process-id] neighbor to show all neighbor information of
the OSPF process, including the status of neighbor, role, router ID and IP address,
BFD state, ect.
DES-7200# show ip ospf neighbor
OSPF process 1:
Neighbor ID Pri State BFD State Dead Time Address: Interface
10.10.10.50 1 Full/DR UP 00:00:38 10.10.10.50 eth0/0
OSPF process 100:
Neighbor ID Pri State BFD State Dead Time Address I interface
10.10.11.50 1 Full/Backup DOWN 00:00:31 10.10.11.50 eth0/1
DES-7200# show ip ospf 1 neighbor
OSPF process 1:
Neighbor ID Pri State BFD State Dead Time Address: Interface
10.10.10.50 1 Full/DR UP 00:00:38 10.10.10.50 eth0/0
DES-7200# show ip ospf 100 neighbor
OSPF process 100:
Neighbor ID Pri State BFD State Dead Time Address: Interface
10.10.11.50 1 Full/Backup DOWN 00:00:31 10.10.11.50 eth0/1
2. Show the OSPF interface status
The following message shows that the F0/1 port belongs to area 0 of the OSPF,
and the router ID is 172.16.120.1. The network type is “BROADCAST”-broadcast
type. You must pay special attention to the parameters such as Area, Network
Type, Hello and Dead. If these parameters are different from the neighbor, no
neighborhood relationship will be established.
DES-7200# sh ip ospf interface fastEthernet 1/0
FastEthernet 1/0 is up, line protocol is up
Internet Address 192.168.1.1/24, Ifindex: 2 Area 0.0.0.0, MTU 1500
Matching network config: 192.168.1.0/24,
Process ID 1, Router ID 192.168.1.1, Network Type BROADCAST, Cost: 1
Transmit Delay is 1 sec, State DR, Priority 1
Designated Router (ID) 192.168.1.1, Interface Address 192.168.1.1
Backup Designated Router (ID) 192.168.1.2, Interface Address 192.168.1.2
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 00:00:04
Neighbor Count is 1, Adjacent neighbor count is 1
Crypt Sequence Number is 30
Hello received 972 sent 990, DD received 3 sent 4
LS-Req received 1 sent 1, LS-Upd received 10 sent 26
LS-Ack received 25 sent 7, Discarded 0