Forum Discussion
Krishna_251070
Nimbostratus
NimbostratusOSPF stuck in Exstart
Hello,
I am facing an issue with enabling OSPF between a Cisco Router and F5 LTM. The OSPF adjacency process is getting stuck at exstart phase.
This is how my toplogy looks like:
Cisco Router<-...
This article shows how to debug OSPF on a BIG-IP:
https://support.f5.com/csp/article/K14490
You must configure port lockdown to allow protocol 89 on all self IP addresses that the routers communicate with.