OSPF: Duplicate RID’s in the same Area and between Areas, and MTU Mismatches on OSPF links, explained!

The OSPF RID has a much more significant role in a neighbor formation than with EIGRP, obviously because that it what it uses to identify its neighbor rather than the IP address of the physical interface the neighbor was learned on. So what if two routers were to have the same Router ID? That question … Continue reading OSPF: Duplicate RID’s in the same Area and between Areas, and MTU Mismatches on OSPF links, explained!