Cisco 6500 - Manual (Page 66)

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Cisco IOS Software Configuration Guide, Release 12.2SX
OL-13013-06
Chapter 4 Configuring Virtual Switching Systems
Upgrading a VSS
For an example of the eFSU upgrade on an Installed Modular Image sequence, see the “eFSU Upgrade
on an Installed Modular Image Example” section on page 4-67 .
Aborting an eFSU Upgrade
To manually abort the eFSU and roll back the upgrade, perform this task:
This example shows how to abort an eFSU upgrade for a VSS:
Router# issu abortversion
eFSU Upgrade Example
This example shows how to perform and verify an eFSU upgrade for a VSS.
Verify the System Readiness
After copying the new image files into the file systems of the active and VSS standby chassis, enter the
show issu state detail command and the show redundancy status command to check that the VSS is
ready to perform the eFSU. One chassis must be in the active state and the other chassis in the hot VSS
standby state. Both chassis should be in the ISSU Init state and in SSO redundancy state. In the example,
both chassis are running an “oldversion” image.
Router# show issu state detail
Slot = 1/2
RP State = Active
ISSU State = Init
Boot Variable = disk0:s72033-oldversion.v1,12;
Operating Mode = sso
Primary Version = N/A
Secondary Version = N/A
Current Version = disk0:s72033-oldversion.v1
Variable Store = PrstVbl
Slot = 2/7
RP State = Standby
ISSU State = Init
Step 8 Router# issu commitversion Loads the new software image onto the VSS standby
chassis.
Note This command will cause the VSS standby chassis
to reload.
Step 9 Router# show issu state [switch/slot][detail] Verifies the status of the upgrade process; status should
display ‘Init’.
Step 10 Router# redundancy force-switchover (Optional) Forces the VSS standby Route Processor (RP) to
assume the role of the active RP.
Command Purpose
Command Purpose
Router# issu abortversion Stops the upgrade process and forces a rollback to the
previous software image.