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Cisco Catalyst 4500 Series Software Configuration Guide

Cisco Catalyst 4500 Series
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7-36
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.0E and IOS 15.2(5)E
Chapter 7 Configuring the Cisco IOS In-Service Software Upgrade Process
Performing the ISSU Process
The rollback timer cannot be set in LV state, as the following example illustrates:
Switch# show issu state detail
Slot = 1
RP State = Active
ISSU State = Load Version
Boot Variable = bootflash:old_image,12
Operating Mode = RPR
Primary Version = bootflash:old_image
Secondary Version = bootflash:new_image
Current Version = bootflash:old_image
Slot = 2
RP State = Standby
ISSU State = Load Version
Boot Variable = bootflash:new_image,12;bootflash:old_image,12
Operating Mode = RPR
Primary Version = bootflash:old_image
Secondary Version = bootflash:new_image
Current Version = bootflash:new_image
Switch# show issu rollback-timer
Rollback Process State = Not in progress
Configured Rollback Time = 60:00
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# issu set rollback-timer 20
% ISSU state should be [ init ] to set the rollback timer
Displaying ISSU Compatibility Matrix Information
The ISSU compatibility matrix contains information about other software images about the version in
question. This compatibility matrix represents the compatibility of the two software versions, one
running on the active and the other on the standby supervisor engine, and the matrix allows the system
to determine the highest operating mode it can achieve. This information helps the user identify whether
to use ISSU.
Perform this task to display information about the ISSU compatibility matrix:
This example shows how to display negotiated information regarding the compatibility matrix:
Command or Action Purpose
Step 1
Switch> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
Switch# show issu comp-matrix
{negotiated | stored | xml}
Displays information regarding the ISSU compatibility
matrix.
• negotiated—Displays negotiated compatibility matrix
information.
• stored—Displays negotiated compatibility matrix
information
.
• xml—Displays negotiated compatibility matrix
information in XML format.

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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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