OSPFv3 with Address Family Verification
Commands to verify OSPFv3 information when configured with IPv6.
OSPF Point to Point vs Point to Multipoint Router LSA difference
OSPF LSA Type 4 differences between Point to Point vs Point to Multipoint.
Stub Router in OSPF
In this post I describe how to configure a Router to listen to Routing Advertisements but not pass traffic in OSPF. Essentially making it a Stub Router. The command to accomplish this is max-metric router-lsa.
CCIE Authentication RIP, EIGRP, OSPF
In depth information on how authentication is done in RIP, EIGRP, and OSPF. This includes wireshark packet captures. Great for CCIE Studies.