Friday, June 6, 2008

How to protect EIGRP router from receiving unsigned routing updates?

EIGRP short of Enhanced Interior Gateway Routing Protocol is a routing protocol used to select the best suitable route for packets with in a network. Basically EIGRP is the enhanced version of IGRP protocols and developed by Cisco Systems. EIGRP uses a bandwidth and delay method to calculate the metric of a network route.

Today tip help you to enable authentication of enhanced interior gateway routing protocol packets to protect routing table. In this case, we will try to configure two different routers with routing protocol EIGRP and then perform the authentication between them using the IP authentication key-chain eigrp interface command.

Follow the network topology of two different class network in given figure:

author

This post was written by: Joshua Daniel

Joshua Daniel is a Management Professional,professional blogger, web designer and front end web developer. Follow him on Twitter

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