1 IS-IS Routing Protocol Overview

The IS-IS protocol is an interior gateway protocol that uses link-state information to make routing decisions

it is an interior gateway protocol used within an autonomous system It also describes IS-IS levels, areas, and backbone routers Finally, it

is 516 1959 ISIS Levels and Areas · Concept of Area in ISIS · ISIS has a 2 layer hierarchy · Level of routing · An ISIS router can be either of these · ISIS Adjacency States

isl vs pes lessonis-is-routing-protocol-overview IS-IS routing protocol overview is the target of the first lesson of the IS-IS