The following example shows how to display high-level information about OSPF configuration.

vyatta@vyatta:~$ show ip ospf
OSPF Routing Process, Router ID: 10.100.10.1
 Supports only single TOS (TOS0) routes
 This implementation conforms to RFC2328
 RFC1583Compatibility flag is disabled
 OpaqueCapability flag is disabled
 Initial SPF scheduling delay 200 millisec(s)
 Minimum hold time between consecutive SPFs 1000 millisec(s)
 Maximum hold time between consecutive SPFs 10000 millisec(s)
 Hold time multiplier is currently 1
 SPF algorithm last executed 1w2d01h ago
 SPF timer is inactive
 Refresh timer 10 secs
 Number of external LSA 1. Checksum Sum 0x000083e4
 Number of opaque AS LSA 0. Checksum Sum 0x00000000
 Number of areas attached to this router: 1

 Area ID: 10.1.0.0
   Shortcutting mode: Default, S-bit consensus: no
   Number of interfaces in this area: Total: 1, Active: 1
   Number of fully adjacent neighbors in this area: 2
   Area has no authentication
   Number of full virtual adjacencies going through this area: 0
   SPF algorithm executed 3 times
   Number of LSA 4
   Number of router LSA 3. Checksum Sum 0x0000ccad
   Number of network LSA 1. Checksum Sum 0x00000df2
   Number of summary LSA 0. Checksum Sum 0x00000000
   Number of ASBR summary LSA 0. Checksum Sum 0x00000000
   Number of NSSA LSA 0. Checksum Sum 0x00000000
   Number of opaque link LSA 0. Checksum Sum 0x00000000
   Number of opaque area LSA 0. Checksum Sum 0x00000000
vyatta@vyatta:~$

The following example shows how to display high-level configuration information for an OSPF process.

vyatta@vyatta:~$ show ip ospf process 5
Routing Process "ospf 5" with ID 20.2.2.2
** Allocated Router ID 20.2.2.2 overlaps with one or more ospf processes - please reconfigure **
Process uptime is 30 minutes
Process bound to routing-instance default
Conforms to RFC2328, and RFC1583 Compatibility flag is disabled
Supports only single TOS(TOS0) routes
Supports opaque LSA
Does not support Restarting
This router is an ASBR (injecting external routing information)
SPF schedule delay initial 0 secs 500 msecs
SPF schedule delay min 0 secs 500 msecs
SPF schedule delay max 50 secs 0 msecs
Refresh timer 10 secs
Number of incoming current DD exchange neighbors 0/64
Number of outgoing current DD exchange neighbors 0/64
Initial LSA throttle delay 0 secs 0 msecs
Minimum hold time for LSA throttle 5 secs 0 msecs
Maximum wait time for LSA throttle 5 secs 0 msecs
Minimum LSA arrival 1 secs 0 msecs
Number of external LSA 5. Checksum 0x0220D2
Number of opaque AS LSA 0. Checksum 0x000000
Number of non-default external LSA 5
External LSA database is unlimited.
Number of LSA originated 8
Number of LSA received 5
Number of areas attached to this router: 1
    Area 0 (BACKBONE)
        Number of interfaces in this area is 1(1)
        Number of fully adjacent neighbors in this area is 1
        Area has no authentication
        SPF algorithm last executed 00:28:35.258 ago
        SPF algorithm executed 3 times
        Number of LSA 7. Checksum 0x03be7d