EIGRP Part 5: Feasible And Reported Distances (FD & RD), Feasibility, Variance and Administrative Distances

The Feasible And Reported Distances We’ve been working with the typology table for a while now, and you’ve certainly taken notice of the two numbers in parenthesis following each next-hop IP address. and we’re using this particular network right now (something very familiar to us)… 172.12.123 is our frame and then Fast Ethernet segment 172.12.23.0/27. […]

DUAL Queries and the EIGRP RID We love redundancy. We love backup paths. We love backup routes. We love backups of our data. We love having backups of everything. But every once in a while we’re going to have a situation where we may have a primary route in EIGRP and not have that backup. […]