Extreme networks Summit1 Manuale Utente
S
UMMIT
S
WITCH
I
NSTALLATION
AND
U
SER
G
UIDE
10-1
10
Routing Protocols
This chapter describes the IP unicast routing protocols available on the Summit. It
assumes that you are already familiar with IP unicast routing. If not, refer to the
following publications for additional information:
assumes that you are already familiar with IP unicast routing. If not, refer to the
following publications for additional information:
RFC 1058 — Routing Information Protocol (RIP)
RFC 1256 — ICMP Router Discovery Messages
RFC 1723 — RIP Version 2
RFC 2178 — OSPF Version 2
RFC 1256 — ICMP Router Discovery Messages
RFC 1723 — RIP Version 2
RFC 2178 — OSPF Version 2
“Interconnections: Bridges and Routers”
by Radia Perlman
ISBN 0-201-56332-0
Published by Addison-Wesley Publishing Company
by Radia Perlman
ISBN 0-201-56332-0
Published by Addison-Wesley Publishing Company
O
VERVIEW
The Summit switch supports the use of either the Routing Information Protocol (RIP) or
the Open Shortest Path First (OSPF) protocol for IP unicast routing.
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.
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.
Interior Gateway Protocol (IGP), and solved a number of problems associated with
using RIP on today’s complex networks.
Summit.bk : 10PROT.FM Page 1 Thursday, June 18, 1998 9:27 AM