show ip ospf

http://www.cisco.com/en/US/docs/ios/12_3/iproute/command/reference/ip2_s3g.html#wp1036469

The following is sample output from the show ip ospf command when entered without a specific OSPF process ID:

Router# show ip ospf 

Routing Process "ospf 201" with ID 10.0.0.1 and Domain ID 10.20.0.1 

Supports only single TOS(TOS0) routes 

Supports opaque LSA 

SPF schedule delay 5 secs, Hold time between two SPFs 10 secs 

Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs 

LSA group pacing timer 100 secs 

Interface flood pacing timer 55 msecs 

Retransmission pacing timer 100 msecs 

Number of external LSA 0. Checksum Sum 0x0      

Number of opaque AS LSA 0. Checksum Sum 0x0      

Number of DCbitless external and opaque AS LSA 0 

Number of DoNotAge external and opaque AS LSA 0 

Number of areas in this router is 2. 2 normal 0 stub 0 nssa 

External flood list length 0 

Area BACKBONE(0) 

Number of interfaces in this area is 2 

Area has message digest authentication 

SPF algorithm executed 4 times 

Area ranges are 

Number of LSA 4. Checksum Sum 0x29BEB  

Number of opaque link LSA 0. Checksum Sum 0x0      

Number of DCbitless LSA 3 

Number of indication LSA 0 

Number of DoNotAge LSA 0 

Flood list length 0 

Area 172.16.26.0 

Number of interfaces in this area is 0 

Area has no authentication 

SPF algorithm executed 1 times 

Area ranges are 

192.168.0.0/16 Passive Advertise  

Number of LSA 1. Checksum Sum 0x44FD   

Number of opaque link LSA 0. Checksum Sum 0x0      

Number of DCbitless LSA 1 

Number of indication LSA 1 

Number of DoNotAge LSA 0 

Flood list length 0