TELE33324 Chapter Notes - Chapter 9: Enhanced Interior Gateway Routing Protocol, Routing Protocol, Interior Gateway Routing Protocol
15 Nov 2016
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Document Summary
Enhanced igrp (eigrp) is a classless, enhanced distance-vector protocol that uses the concept of an autonomous system to describe the set of contiguous routers that run the same routing protocol and share routing information. It is sometimes referred to as a hybrid routing protocol because it has characteristics of both distance-vector and link-state protocols. Support for ip and ipv6 (and some other useless routed protocols) via protocol-dependent modules. Considered classless (same as ripv2 and ospf) Best path selection via diffusing update algorithm (dual) It manages the communication of messages between eigrp-speaking routers. It leverages multicasts and unicasts to deliver updates quickly and to track the receipt of the data. It is the diffusing update algorithm (dual) for selecting and maintaining the best path to each remote network. It provides eigrp with possibly the fastest route convergence time among all protocols.
