1-25
Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter1 Overview of the VISM and VISM-PR Cards
Software Upgrades
Step6 To commit the new download to the VISM-PR card, enter the commitrev command.
commitrev sm-primary-slot-num new-rev
You have completed the steps. Proceed to the Boot Code Upgrade Procedure with PXM1E and PXM45
Cards, page 1-25.

Boot Code Upgrade Procedure with PXM1E and PXM45 Cards

Complete the following steps to upgrade the new backup boot code when you are using PXM1E or
PXM45 cards in your MGX 8000 Series chassis:
Step1 Complete the steps in the VISM-PR Upgrades with PXM1E and PXM45, page 1-23 section.
Step2 Log in to the PXM1E or PXM45 card.
Step3 Use the burnboot sm-primary-slot-num new-rev command, where sm-primary-slot-num is the slot
number of the VISM-PR card you want to upgrade and new-rev is the firmware version number of the
new VISM software, to upgrade the VISM-PR boot code.
The VISM-PR card automatically resets and becomes active with the latest boot code im ag e. You have
completed the boot code upgrade procedure.
VISM/VISM-PR Downgrade Procedure
Use this procedure to downgrade VISM software from software Re lease 3.0 to an earlier VISM release.
By following the downgrade procedure described here, the configurations are retained after the
downgrade.
Note The configurations that existed with old-rev firmware should have been saved earlier. You
cannot downgrade from VISM-PR to VISM.
Complete the following steps to downgrade th e VISM sof twar e from sof twar e Rel eas e 3.0 for
VISM/VISM-PR to Release 2.2, 2.1, 2.0, or 1.5:
Step1 If the VISM card is in a redundancy group, remove the redund an cy.
delred <SM slot#>
Step2 Download the old-rev firmware onto the MGX shelf.
Step3 Execute the PXM clrsmcnf command:
clrsmcnf <SM slot#>
where:
SM slot# is the slot number of the VISM card to be downgraded.
The VISM card resets on executing this command. Wait for the card to come active.