Configuring Cisco Nsf With Sso Supervisor Engine Redundancy - Cisco Catalyst 4500 series Administration 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, see the Cisco
Note
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 a command is not in the Catalyst 4500 Series Switch Command Reference, you can locate it in the
Cisco IOS library. See 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_28731-01
About NSF with SSO Supervisor Engine Redundancy, page 12-1
Configuring NSF with SSO Supervisor Engine Redundancy, page 12-9
Cisco High Availability Features in Cisco IOS XE 3.1.0SG, page 12-17
About Cisco IOS NSF-Aware and NSF-Capable Support, page 12-2
NSF with SSO Supervisor Engine Redundancy Overview, page 12-3
SSO Operation, page 12-4
NSF Operation, page 12-4
Cisco Express Forwarding, page 12-5
C H A P T E R
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
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12-1