The Issu Compatibility Matrix - Cisco Catalyst 4500 Series Software Configuration Manual

In-Service Software Upgrade (ISSU) on a VSS
Command or Action
Step 4
Switch(config)# exit
Step 5
Switch# show issu rollback-timer
This example shows how to set the rollback timer to 3600 seconds:
Switch> enable
Switch# configure terminal
Enter configuration commands, one per line.
Switch(config)# issu set rollback-timer 3600
% Rollback timer value set to [ 3600 ] seconds
Switch(config)# exit
Switch# show issu rollback-timer
The Rollback Timer cannot be set in loadversion or runversion state, as the following example illustrates:
Switch# show issu state detail
Switch# show issu rollback-timer
Switch# configure terminal
Enter configuration commands, one per line.
Switch(config)# issu set rollback-timer 20
% ISSU state should be [ init ] to set the rollback timer

The ISSU Compatibility Matrix

The ISSU Compatibility Matrix contains information about the compatibility of the IOS XE software
version currently running on the system, and other versions. The Compatibility Matrix deals with two
kinds of information:
•
•
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
5-82
Rollback Process State = Not in progress
Configured Rollback Time = 60:00
ISSU State = Load Version
Operating Mode = Stateful Switchover
Current Image = bootflash:old_image
Pre-ISSU (Original) Image = bootflash:old_image
Post-ISSU (Targeted) Image = bootflash:new_image
ISSU State = Load Version
Operating Mode = Stateful Switchover
Current Image = bootflash:new_image
Pre-ISSU (Original) Image = bootflash:old_image
Post-ISSU (Targeted) Image = bootflash:new_image
Rollback Process State = Not in progress
Configured Rollback Time = 60:00
Stored Information, page 5-83
Negotiated Information, page 5-83
Purpose
Returns the user to privileged EXEC mode.
Displays the current setting of the ISSU rollback timer.
End with CNTL/Z.
Slot = 1
RP State = Active
Slot = 11
RP State = Standby
End with CNTL/Z.
Chapter 5 Configuring Virtual Switching Systems