OSPF Troubleshooting

(2025-04-28)

diag sniffer packet any "proto 89" 6 0 l

diag sniffer packet any  "host 224.0.0.5" 6 0 l

get router info ospf neighbor

get router info ospf interface

get router info ospf database brief

get router info ospf database self-originate

get router info ospf database router lsa

Get cute with packet sniffer:

diag sniffer packet any "(host 10.10.10.1 and proto 89) or (proto 89 and host 10.10.10.2)" 6 0 l

Gratuitous OSPF debug output:

diagnose debug disable
diagnose debug reset

diagnose ip router ospf all [enable | disable]
diagnose ip router ospf level info
diagnose debug console timestamp enable 

diagnose debug enable

execute router clear ospf process

Turn it off:

diagnose ip router ospf all disable
diagnose debug disable

(Source)