Instruction manual

Upgrading to Release 4.1 from Prior Releases
1-22 296-1011-220 Rel. 4.1, Doc. Rev. 07.02
CVX Multi-Service Access Switch 4.1 Release Notes
Restoring the CVX Access Switch to the Backup Software Release
This section shows you how to restore the backup software release to the CVX
switch. To restore the CVX switch to the backup software release, you will need
to access the backup directory that you previously created.
To restore the CVX switch to a prior release, if the Revert command is available:
Warning:
If you have upgraded to any double-density cards, DO NOT restore any
CVX switch software release pior to 3.6 or damage to the SCC-II will
result. You will have to reinstall your original hardware. If a CVX switch
boot is attempted, the CVX switch will become nonfunctional due to a
corrupted SCC-II and will not function until the corrupt SCC-II is
removed.
Step Action
1 Use the Revert command to copy the files from the backup directory to
the flash memory card in Drive C:
Example:
CVX> revert c:\backup
This example copies all files from the backup directory in drive C: to the
CVX switch root directory.
2 Enter the felf command to initialize the bepbr.elz file.
CVX> felf bepbr.elz
3 Reboot the CVX switch.
Example:
CVX> cold