Cisco Cisco Expressway Maintenance Manual
this can be restored after the upgrade. During this initial stage the system will continue running on its existing
software version, and all normal system processes will continue.
software version, and all normal system processes will continue.
The second part of the upgrade involves rebooting the system. It is only during the reboot that the
Expressway installs the new software version and restores the previous configuration. Rebooting causes all
current calls to terminate.
Expressway installs the new software version and restores the previous configuration. Rebooting causes all
current calls to terminate.
This means that you can upload the new software at any time, and then wait until a convenient moment (for
example, when no calls are taking place) to switch to the new version by rebooting the system.
example, when no calls are taking place) to switch to the new version by rebooting the system.
Note: any configuration changes made between the software upload and the reboot will be lost when the
system restarts using the new software version.
system restarts using the new software version.
The upgrade of components other than the System platform does not involve a system reboot, however the
services provided by that component will be temporarily stopped while the upgrade process completes.
services provided by that component will be temporarily stopped while the upgrade process completes.
Upgrading Expressway software
The
Upgrade
page (
Maintenance > Upgrade
) is used to install new (or to downgrade) versions of
Expressway software components.
To upgrade a component using the web interface:
1. Review the relevant release notes to see if any special steps are required either before or after installing
the software image file.
2. Go to the
Upgrade
page (
Maintenance > Upgrade
).
3. Click Browse and select the software image file for the component you want to upgrade.
The Expressway automatically detects which component you are upgrading based upon the selected
software image file.
software image file.
4. Enter the Release key if required.
5. Click Upgrade.
The Expressway will start loading the file. This may take a few minutes.
6. For upgrades to the System platform component, the
Upgrade confirmation
page is displayed:
a. Check that:
o
the expected New software version number is displayed
o
the MD5 hash and SHA1 hash values match the values displayed on the cisco.com page, where
you have downloaded the software image file
you have downloaded the software image file
b. Click Continue with upgrade.
The
System upgrade
page opens and displays a progress bar while the software installs.
When the software has installed, a summary of active calls is displayed. These will be lost when you
reboot the system.
reboot the system.
c. Click Reboot system.
Note that if you make any configuration changes between uploading the software and rebooting, those
changes will be lost when the system restarts.
After the reboot is complete you are taken to the
changes will be lost when the system restarts.
After the reboot is complete you are taken to the
Login
page.
7. For upgrades to other components, the software is automatically installed. No reboot is required.
The upgrade is now complete. The
Overview
and
Upgrade
pages now show the upgraded software
component version numbers.
to enable them; this is done through the Option keys
page (
Maintenance > Option keys
).
Cisco Expressway Administrator Guide (X8.2)
Page 202 of 378
Maintenance
About upgrading software components