Cisco Catalyst 4500 Series - Page 446

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
issu runversion
issu loadversion Starts the ISSU process.
show issu state Displays the ISSU state and current booted image name
during the ISSU process.
Command Description