debug ospf

This command debugs Open Shortest Path First (OSPF) routing protocol for Internet Protocol (IP) networks.

Syntax

# debug ospf 

Command

Description

event

Displays OSPF event information.

ism {events|status|timers}

Debugs the OSPF Interface State Machine (ISM Event Information, ISM Status Information and ISM TImer Information).

lsa {flooding|generate|install| refresh}

Debugs the OSPF Link State Advertisement (LSA Flooding, LSA Generation, LSA Install/Delete and LSA Refresh).

nsm {events|status|timers}

Debugs the OSPF Neighbor State Machine (NSM Event Information, NSM Status Information and NSM Timer Information).

nssa

Debugs the OSPF NSSA (Not-So-Stubby Area), a non-proprietary extension of the existing stub area feature that allows external routes to be injected in a limited fashion into the stub area.
See http://www.ietf.org/rfc/rfc1587.txt for more information.

packet {all|dd|hello|ls-ack|ls-request|ls-update} {detail|recv|send}

Debugs the OSPF packets (detailed information, packets received or packets sent). Packets can be all, database (dd), hello, link state acknowledgement, link state request or link state update).

zebra {interface|redistribute}

Debugs the OSPF Zebra  routing software which provides TCP/IP based routing services with support from routing protocol OSPF.

Command Mode

Privileged User

Example

This example displays OSPF event information:

# debug ospf event