Configuring Ip Unicast Routing - Cisco Catalyst 3550 series Software Configuration Manual

Multilayer switch
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Configuring IP Unicast Routing

This chapter describes how to configure IP unicast routing on your Catalyst 3550 multilayer switch.
Beginning with Cisco IOS Release 12.1(11)EA1, basic routing functions, including static unicast routing
and the Routing Information Protocol (RIP), are available with both the standard multilayer software
image (SMI) and the enhanced multilayer software image (EMI). To use advanced routing features and
other routing protocols, or for all routing support prior to Release 12.1(11)EA1, you must have the
enhanced multilayer software image installed on your switch.
For more detailed IP unicast configuration information, refer to the Cisco IOS IP and IP Routing
Note
Configuration Guide for Release 12.1. For complete syntax and usage information for the commands
used in this chapter, refer to the Cisco IOS IP and IP Routing Command Reference for Release 12.1.
This chapter consists of these sections:
Understanding IP Routing, page 31-2
Steps for Configuring Routing, page 31-3
Configuring IP Addressing on Layer 3 Interfaces, page 31-4
Enabling IP Unicast Routing, page 31-18
Configuring RIP, page 31-19
Configuring IGRP, page 31-24
Configuring OSPF, page 31-29
Configuring EIGRP, page 31-38
Configuring BGP, page 31-44
Configuring Multi-VRF CE, page 31-65
Configuring Protocol-Independent Features, page 31-75
Monitoring and Maintaining the IP Network, page 31-89
When configuring routing parameters on the switch, to allocate system resources to maximize the
Note
number of unicast routes allowed, you can use the sdm prefer routing global configuration command
to set the Switch Database Management (sdm) feature to the routing template. For more information on
the SDM templates, see the
page
7-27.
78-11194-09
"Optimizing System Resources for User-Selected Features" section on
Catalyst 3550 Multilayer Switch Software Configuration Guide
C H A P T E R
31
31-1

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