OSPF Loopback Information
Ip Address 123.123.123.1, Area 0.0.0.0, Passive interface, Admin Status UP
Router ID 1.1.1.1, State Loopback, Priority 1
Designated Router (ID) 0.0.0.0, Ip Address 0.0.0.0
Backup Designated Router (ID) 0.0.0.0, Ip Address 0.0.0.0
Timer intervals, Hello 10, Dead 40, Wait 40, Retransmit 5, Transit delay 1
Neighbor count is 0 If Events 1, Authentication type none
OSPF Port Information
Ip Address 10.241.39.82, Area 0.0.0.0, Admin Status UP
Router ID 1.1.1.1, State Waiting, Priority 1
Designated Router (ID) 0.0.0.0, Ip Address 0.0.0.0
Backup Designated Router (ID) 0.0.0.0, Ip Address 0.0.0.0
Timer intervals, Hello 10, Dead 40, Wait 40, Retransmit 5, Transit delay 1
Neighbor count is 0 If Events 1, Authentication type none
OSPF Information Route Codes
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The following command displays OSPF information for a particular loopback
interface. If no parameter is supplied, it displays OSPF information for all the
loopback interfaces:
show ip ospf interface loopback <1‐5>
Command mode: All
The following command displays OSPF information for a particular port. If no
parameter is supplied, it displays OSPF information for all the ports:
show ip ospf interface port <port alias or number>
Command mode: All
The following command displays OSPF route information:
show ip ospf routes
Command mode: All
Codes: IA OSPF inter area,
N1 OSPF NSSA external type 1, N2 OSPF NSSA external type 2
E1 OSPF external type 1, E2 OSPF external type 2
IA 10.10.0.0/16 via 200.1.1.2
IA 40.1.1.0/28 via 20.1.1.2
IA 80.1.1.0/24 via 200.1.1.2
IA 100.1.1.0/24 via 20.1.1.2
IA 140.1.1.0/27 via 20.1.1.2
IA 150.1.1.0/28 via 200.1.1.2
E2 172.18.1.1/32 via 30.1.1.2
E2 172.18.1.2/32 via 30.1.1.2
E2 172.18.1.3/32 via 30.1.1.2
E2 172.18.1.4/32 via 30.1.1.2
E2 172.18.1.5/32 via 30.1.1.2
E2 172.18.1.6/32 via 30.1.1.2
E2 172.18.1.7/32 via 30.1.1.2
E2 172.18.1.8/32 via 30.1.1.2
Chapter 2: Information Commands
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