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Chapter 9
RIP and OSPF
Overview
This chapter describes the IP unicast routing protocols available on
the switch. It assumes that you are already familiar with IP unicast
routing. If not, refer to the following publications for additional
information:
RFC 105 8 —Routing Information Protocol (RIP)
RFC 125 6 —ICMP Router Discovery Messages
RFC 172 3 —RIP Version 2
RFC 217 8 —OSPF Version 2
Interconnections: Bridges and Routers
by Radia Perlman
ISBN 0-201-56332-0
Published by Addison-Wesley Publishing Company
The switch supports the use of the Routing Information Protocol
(RIP) and the Open Shortest Path First (OSPF) protocol for IP unicast
routing.
RIP is a distance-vector protocol, based on the Bellman-Ford (or
distance-vector) algorithm. The distance-vector algorithm has been
in use for many years, and is widely deployed and understood.
OSPF is a link-state protocol, based on the Dijkstra link-state
algorithm. OSPF is a newer Interior Gateway Protocol (IGP), and
solved a number of problems associated with using RIP on today's
complex networks.
9-1
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