Loading New Cisco Ios Software On The New Standby Supervisor Engine - Cisco Catalyst 4500 Series Configuration Manual

Performing the ISSU Process
Command or Action
Step 1
Switch> enable
Step 2
Switch# issu acceptversion active-slot
[active-image-new]
Step 3
Switch# show issu rollback-timer
This example displays the timer before you stop it. In the following example, the Automatic Rollback
Time information indicates the amount of time remaining before an automatic rollback occurs.
Switch> enable
Switch# show issu rollback-timer
Switch# issu acceptversion 2 bootflash:new_image
% Rollback timer stopped. Please issue the commitversion command.
Switch# show issu rollback-timer

Loading New Cisco IOS Software on the New Standby Supervisor Engine

This task explains how to load new version of Cisco IOS software to the new standby supervisor engine.
Perform this task at the active supervisor engine:
Command or Action
Step 1
Switch> enable
Step 2
Switch# issu commitversion standby-slot-number
[standby-image-new]
Step 3
Switch# show redundancy [states]
Step 4
Switch# show issu state [detail]
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
5-24
Rollback Process State = In progress
Configured Rollback Time = 45:00
Automatic Rollback Time = 38:30
Rollback Process State = Not in progress
Configured Rollback Time = 45:00
Chapter 5 Configuring the Cisco IOS In-Service Software Upgrade Process
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Halts the rollback timer and ensures the new Cisco IOS
ISSU process is not automatically aborted during the ISSU
process.
Enter the issu acceptversion command within the time
period specified by the rollback timer to acknowledge that
the supervisor engine has achieved connectivity to the
outside world; otherwise, the ISSU process is terminated,
and the system reverts to the previous version of Cisco IOS
software by switching to the standby supervisor engine.
Displays the amount of time left before an automatic
rollback occurs.
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Allows the new Cisco IOS software image to be loaded into
the standby supervisor engine.
Displays redundancy facility state information.
Displays the state of the during the ISSU process. At this
point in the ISSU process, use this command to check that
a switchover occurs to slot 2.
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