Cisco Catalyst 4500 Series Configuration Manual page 284

Cisco High Availability Features in Cisco IOS XE 3.1.0SG
that guide are supported in your software release. Use Cisco Feature Navigator to find information about
platform support and Cisco software image support. To access Cisco Feature Navigator, go to
http://www.cisco.com/go/cfn. An account on Cisco.com is not required.
ISSU (IOS In-Service Software Upgrade)
http://www.cisco.com/en/US/products/ps7149/products_ios_protocol_group_home.html
Enhanced High System Availability
http://www.cisco.com/en/US/docs/ios-xml/ios/ha/configuration/xe-3s/ha-config-stateful-switchover.ht
ml
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
6-36
Chapter 6 Configuring the Cisco IOS XE In Service Software Upgrade Process
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