Cisco Systems WSC4507RE96V User Manual download pdf

CHAPTER

6-1

Software Configuration Guide—Release 12.2(20)EW

78-16453-01 A1

Configuring Supervisor Engine Redundancy on the

Catalyst 4507R and 4510R Switches

This chapter describes how to configure supervisor engine redundancy on the Catalyst 4507R and

Catalyst 4510R switches.

This chapter consists of the following major sections:

• Overview of Supervisor Engine Redundancy, page 6-1

• Understanding Supervisor Engine Redundancy, page 6-2

• Supervisor Engine Redundancy Guidelines and Restrictions, page 6-3

• Configuring Supervisor Engine Redundancy, page 6-4

• Synchronizing the Supervisor Engine Configurations, page 6-5

• Performing a Software Upgrade, page 6-6

• Copying Files to the Standby Supervisor Engine, page 6-7

Note For complete syntax and usage information for the switch commands used in this chapter, look at the

Cisco Catalyst 4500 Series Switch Command Reference and related publications at this location:

http://www.cisco.com/en/US/products/hw/switches/ps4324/index.html

If the command is not found in the Catalyst 4500 Command Reference, it is located in the larger Cisco

IOS library. Refer to the Catalyst 4500 Series Switch Cisco IOS Command Reference and related

publications at this location:

http://www.cisco.com/en/US/products/ps6350/index.html

Overview of Supervisor Engine Redundancy

Catalyst 4500 series switches allow a standby supervisor engine to take over if the primary supervisor

engine fails, thereby allowing the switch to resume operation quickly in the event of a supervisor engine

failure. This capability is called supervisor engine redundancy. In software, this capability is enabled by

route processor redundancy (RPR) operating mode.

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - 78-16453-01 A1

CHAPTER6-1Software Configuration Guide—Release 12.2(20)EW78-16453-01 A16Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510R Switc

Page 2

6-2Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

Page 3 - Operation

6-3Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

Page 4

6-4Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

Page 5 - main-cpu

6-5Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

Page 6 - Performing a Software Upgrade

6-6Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

Page 7

6-7Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

Page 8

6-8Software Configuration Guide—Release 12.2(20)EW78-16453-01 A1Chapter 6 Configuring Supervisor Engine Redundancy on the Catalyst 4507R and 4510

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