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CCNP Routing and Switching Quick Reference Library: ROUTE 300-101, SWITCH 300-115, and TSHOOT 300-135 Quick References by Brent Stewart, Denise Donohue

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Chapter 4. EIGRP

EIGRP Overview

Enhanced Interior Gateway Routing Protocol (EIGRP) is a Cisco proprietary, advanced distance vector, classless routing protocol that uses a composite metric based on multiple factors. The following are some features of EIGRP:

Image Fast convergence.

Image Partial updates conserve network bandwidth.

Image Runs directly over IP, using protocol number 88.

Support for all Layer 2 (data link layer) protocols and topologies.

Sophisticated ...

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