CLI Reference Guide

1268 OSPF Commands
Command Mode
User EXEC, Privileged EXEC modes, Configuration mode and all
Configuration submodes
User Guidelines
This command outputs the following.
Example
console# show ip ospf statistics
Area 0.0.0.0: SPF algorithm executed 15 times
Delta T Intra Summ Ext SPF Total RIB Update Reason
00:05:33 0 0 0 0 0 R
00:05:30 0 0 0 0 0 R
00:05:19 0 0 0 0 0 N, SN
Field Description
Delta T The time since the routing table was computed, in hours, minutes,
and seconds (hh:mm:ss).
Intra The time taken to compute intra-area routes, in milliseconds.
Summ The time taken to compute inter-area routes, in milliseconds.
Ext The time taken to compute external routes, in milliseconds.
SPF Total The total time to compute routes, in milliseconds. The total may
exceed the sum of the Intra, Summ, and Ext times.
RIB Update The time from the completion of the routing table calculation until
all changes have been made in the common routing table (the
Routing Information Base, or RIB), in milliseconds.
Reason The event or events that triggered the SPF. Reasons may include the
following:
•R – New router LSA
•N – New network LSA
• SN –New network summary LSA
• SA – New ASBR summary LSA
•X – New external LSA
2CSNXXX_SWUM200.book Page 1268 Tuesday, December 10, 2013 1:22 PM