Configuring Redundancy - Cisco WS-C6506 Software Manual

Catalyst 6500 series switch

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Configuring Redundancy

This chapter describes how to configure the redundant supervisor engines and how to configure

redundancy on the Multilayer Switch Feature Cards (MSFCs) on the Catalyst 6500 series switches.

This chapter consists of these sections:

Understanding How Supervisor Engine Redundancy Works, page 23-2

Configuring Redundant Supervisor Engines on the Switch, page 23-4

MSFC Redundancy, page 23-21

For information on configuring MSFC redundancy using Cisco nonstop forwarding (NSF) with stateful

switchover (SSO), see

The dual MSFCs in a single chassis are designed to be used in redundant mode only and must have

identical configurations. See the

We do not support configurations where the MSFCs are not configured identically.

Except where specifically differentiated, the information and procedures in this chapter apply to

Supervisor Engine 32 with PFC3B/PFC3BXL, Supervisor Engine 720 with PFC3A/PFC3B/PFC3BXL,

Supervisor Engine 2 with PFC2, and Supervisor Engine 1 with PFC.

The term MSFC is used throughout this publication to refer to MSFC, MSFC2, MSFC2A, and MSFC3

except where specifically differentiated.

For more information about installing the redundant Catalyst 6500 series supervisor engines, refer to the

Catalyst 6500 Series Switch Module Installation Guide. For syntax and usage information for the

commands that are used in this chapter, refer to the Catalyst 6500 Series Switch Command Reference

publication.

Chapter 24, "Configuring NSF with SSO MSFC Redundancy."

"MSFC Redundancy" section on page 23-21

Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7

C H A P T E R

for detailed information.

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