Reference Guide 5. Debug Commands
Version 7.2 75 Mediant MSBR
5.21 debug ospf
This command debugs Open Shortest Path First (OSPF) routing protocol for Internet Protocol
(IP) networks.
Syntax
# debug ospf
Command Description
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
Note
This command is applicable only to data-router functionality.
Example
This example displays OSPF event information:
# debug ospf event
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