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8.3.1.12 show ip ospf statistics
This command displays information about recent Shortest Path First (SPF) calculations. The SPF is the
OSPF routing table calculation. The output lists the number of times the SPF has run for each OSPF area.
A table follows this information. For each of the 15 most recent SPF runs, the table lists how long ago the
SPF ran, how long the SPF took, and the reasons why the SPF was scheduled.
Syntax
show ip ospf statistics
Default Setting
None
Command Mode
Privileged Exec
User Exec
Display Messages
Delta T: How long ago the SPF ran. The time is in the format hh:mm:ss, giving the hours, minutes,
and seconds since the SPF run.
SPF Duration: How long the SPF took in milliseconds.
Reason: The reason the SPF was scheduled. Reason codes are as follows:
• R - a router LSA has changed
• N - a network LSA has changed
• SN - a type 3 network summary LSA has changed
• SA - a type 4 ASBR summary LSA has changed
• X - a type 5 or type 7 external LSA has changed
8.3.1.13 show ip ospf stub table
This command displays the OSPF stub table. The information below will only be displayed if OSPF is
initialized on the switch..
Syntax
show ip ospf stub table
Default Setting
None
Command Mode
Privileged Exec
User Exec