About Nsf With Sso Supervisor Engine Redundancy - Cisco Catalyst 4500 Series Configuration Manual

Configuring Cisco NSF with SSO Supervisor
Engine Redundancy
This chapter describes how to configure supervisor engine redundancy using Cisco nonstop forwarding
(NSF) with stateful switchover (SSO).
Starting with Cisco IOS Release 12.2(52)SG, the Catalyst 4500 switch supports VRF lite NSF support
Note
with routing protocols OSPF/EIGRP/BGP.
This chapter consists of these sections:
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For complete syntax and usage information for the switch commands used in this chapter, first look at
Note
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 Series Switch Command Reference, it will be found in
the larger Cisco IOS library. Refer to the Cisco IOS Command Reference and related publications at this
location:
http://www.cisco.com/en/US/products/ps6350/index.html

About NSF with SSO Supervisor Engine Redundancy

These sections describe supervisor engine redundancy using NSF with SSO:
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OL-25340-01
About NSF with SSO Supervisor Engine Redundancy, page 11-1
Configuring NSF with SSO Supervisor Engine Redundancy, page 11-9
Cisco High Availability Features in Cisco IOS XE 3.1.0SG, page 11-17
About Cisco IOS NSF-Aware and NSF-Capable Support, page 11-2
NSF with SSO Supervisor Engine Redundancy Overview, page 11-3
SSO Operation, page 11-4
NSF Operation, page 11-4
Cisco Express Forwarding, page 11-5
C H A P T E R
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
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11-1