We have two devices (C4500X) with a similar OSPF-configuration.
After activating NSF in the OSPF-Process we get different outputs on the devices:
r1#sh ip ospf nsf
Routing Process "ospf 1"
Non-Stop Forwarding enabled
IETF NSF helper support enabled
Cisco NSF helper support enabled
OSPF restart state is NO_RESTART
Handle 1598491728, Router ID x.x.0.69, checkpoint Router ID 0.0.0.0
Config wait timer interval 10, timer not running
Dbase wait timer interval 120, timer not running
r3#sh ip ospf nsf
Routing Process "ospf 1"
Non-Stop Forwarding enabled
Global RIB has not converged yet
IETF NSF helper support enabled
Cisco NSF helper support enabled
OSPF restart state is NO_RESTART
Handle 1552512248, Router ID x.x.0.68, checkpoint Router ID 0.0.0.0
Config wait timer interval 10, timer not running
Dbase wait timer interval 120, timer not running
I could not find any useful information in the documentation or this community.
What could lead into the RIB not converging and where could we start debugging?
Does this has any impact to the routing/ospf engine?