The Complete IS-IS Routing Protocol

website is is Intermediate System to Intermediate System is an Interior Gateway Protocol used to exchange routing information between routers in a single isisi Which IGP should an ISP choose? Both OSPF and ISIS use Dijkstra SPF algorithm Exhibit same convergence properties ISIS less widely implemented on router

is is IS-IS is a standardized link-state protocol that was developed to be the definitive routing protocol for the OSI  At this point IS-IS is enabled on R1, R2 and R7 R7's configuration: interface Loopback0 ip address ip router isis 1  The IS-IS protocol is an interior gateway protocol that uses link-state information to make routing decisions

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