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Cisco Catalyst 4500 Series Command Reference Guide

Cisco Catalyst 4500 Series
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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
issu runversion
issu runversion
To force a change from the active supervisor engine to the standby supervisor engine and to cause the
newly active supervisor engine to run the new image specified in the issu loadversion command, use the
issu runversion command.
issu runversion standby-slot [standby-image-new]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Usage Guidelines The issu runversion command changes the currently active supervisor engine to standby supervisor
engine and the real standby-supervisor engine is booted with the old image version following and resets
the switch. As soon as the standby-supervisor engine moves into the standby state, the rollback timer is
started.
Examples This example shows how to force a change of the active-supervisor engine to standby-supervisor engine:
Switch# issu runversion 2
Switch#
Related Commands
standby-slot Specifies the standby slot on the networking device.
standby-image-new (Optional) Specifies the name of the new image on the standby supervisor
engine.
Release Modification
12.2(31)SGA This command was introduced on the Catalyst 4500 series switch.
Command Description
issu abortversion Cancels the ISSU upgrade or the downgrade process in
progress and restores the switch to its state before the start
of the process.
issu acceptversion Halts the rollback timer and ensures that the new Cisco IOS
software image is not automatically stopped during the
ISSU process.
issu commitversion Loads the new Cisco IOS software image into the new
standby supervisor engine.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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