Cisco Cisco Expressway 维护手册
Upgrading Expressway Software
The Upgrade page (Maintenance > Upgrade) is used to install new (or to downgrade) versions of Expressway
software components.
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.
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.
The Expressway automatically detects which component you are upgrading based upon the selected 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.
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:
•
the expected New software version number is displayed
•
the MD5 hash and SHA1 hash values match the values displayed on the cisco.com page, where you
have downloaded the software image file
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.
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.
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 Login page.
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 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.
version numbers.
(Maintenance > Option keys).
Downgrading
If you need to downgrade to an earlier release of the System platform, configuration changes will be lost. When the
downgrade has completed you will have to restore a backup of the system configuration that was made against the
release you have just reinstalled. Other manual steps may be required — you must review the release notes for the
version you are downgrading from.
downgrade has completed you will have to restore a backup of the system configuration that was made against the
release you have just reinstalled. Other manual steps may be required — you must review the release notes for the
version you are downgrading from.
■
To downgrade a component to an older release you should follow the same instructions as above for
upgrading, but select the appropriate software image file for the software version you want to downgrade to.
upgrading, but select the appropriate software image file for the software version you want to downgrade to.
■
As with upgrading, you are recommended to backup your system configuration before downgrading.
Upgrading Using Secure Copy (SCP/PSCP)
To upgrade using a secure copy program such as SCP or PSCP (part of the PuTTY free package) you need to transfer
two files to the Expressway:
two files to the Expressway:
193
Cisco Expressway Administrator Guide
Maintenance