Name: Cisco Catalyst 3750-X
Brand: Cisco
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CHAPTER

6-1

Catalyst 3750-X and 3560-X Switch Software Configuration Guide

OL-21521-01

Clustering Switches

This chapter provides the concepts and procedures to create and manage Catalyst 3750-X and 3560-X

switch clusters. Unless otherwise noted, the term switch refers to a standalone switch and to a switch

stack.

You can create and manage switch clusters by using

Cisco Network Assistant (hereafter known as

Network Assistant), the command-line interface (CLI), or SNMP. For complete procedures, see the

online help. For the CLI cluster commands, see the switch command reference.

Note Network Assistant supports switch clusters, but we recommend that you instead group switches into

communities. Network Assistant has a Cluster Conversion Wizard to help you convert a cluster to a

community. For more information about Network Assistant, including introductory information on

managing switch clusters and converting a switch cluster to a community, see Getting Started with Cisco

Network Assistant, available on Cisco.com.

This chapter focuses on Catalyst 3750-X and 3560-X switch clusters. It also includes guidelines and

limitations for clusters mixed with other cluster-capable Catalyst switches, but it does not provide

complete descriptions of the cluster features for these other switches. For complete cluster information

for a specific Catalyst platform, see the software configuration guide for that switch.

This chapter consists of these sections:

• Understanding Switch Clusters, page 6-2

• Planning a Switch Cluster, page 6-4

• Using the CLI to Manage Switch Clusters, page 6-16

• Using SNMP to Manage Switch Clusters, page 6-17

Note We do not recommend using the ip http access-class global configuration command to limit access to

specific hosts or networks. Access should be controlled through the cluster command switch or by

applying access control lists (ACLs) on interfaces that are configured with IP address. For more

information on ACLs, see Chapter 37, “Configuring Network Security with ACLs.”

Cisco Catalyst 3750-X User Manual

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