Cisco Cisco Expressway Release Notes
Microsoft Lync Server. See VCS and Microsoft Lync Deployment Guide for information about this deployment.
Upgrade Instructions
When maintenance mode is enabled on Expressway, existing calls passing through it may be dropped. We
recommend that you upgrade Expressway components while the system is inactive.
recommend that you upgrade Expressway components while the system is inactive.
If you are upgrading a clustered Expressway, you must follow the directions in Expressway Cluster Creation and
Maintenance Deployment Guide.
Maintenance Deployment Guide.
To upgrade a non-clustered Expressway:
1.
Backup the Expressway (Maintenance > Backup and restore).
You should backup your system before upgrading. If you later need to downgrade to an earlier release you will
have to restore a backup made against that previous release.
have to restore a backup made against that previous release.
2.
Enable maintenance mode:
a.
Go to Maintenance > Maintenance mode.
b.
Set Maintenance mode to On.
c.
Click Save and click OK on the confirmation dialog.
3.
Wait for all calls to clear (Status > Calls).
4.
Upgrade and restart the Expressway (Maintenance > Upgrade).
The web browser interface may timeout during the restart process, after the progress bar has reached the
end. This may occur if the Expressway carries out a disk file system check – which it does approximately once
every 30 restarts.
end. This may occur if the Expressway carries out a disk file system check – which it does approximately once
every 30 restarts.
The upgrade is now complete and all Expressway configuration should be as expected.
Upgrade Expressway-C and Expressway-E systems connected over a traversal zone
We recommend that Expressway-C (traversal client) and Expressway-E (traversal server) systems that are connected
over a traversal zone both run the same software version.
over a traversal zone both run the same software version.
However, we do support a traversal zone link from one Expressway system to another that is running the previous
major release of Expressway. This means that you do not have to simultaneously upgrade your Expressway-C and
Expressway-E systems.
major release of Expressway. This means that you do not have to simultaneously upgrade your Expressway-C and
Expressway-E systems.
Note that certain features introduced in recent software versions (such as Mobile and Remote Access) require both
the Expressway-C and Expressway-E systems to be running the same software version.
the Expressway-C and Expressway-E systems to be running the same software version.
■
We strongly recommend installing a new server certificate if you are upgrading from any version of
Expressway released prior to X8.1.1.
Expressway released prior to X8.1.1.
Using the Bug Search Tool
The Bug Search Tool contains information about open and resolved issues for this release and previous releases,
including descriptions of the problems and available workarounds. The identifiers listed in these release notes will
take you directly to a description of each issue.
including descriptions of the problems and available workarounds. The identifiers listed in these release notes will
take you directly to a description of each issue.
To look for information about a specific problem mentioned in this document:
1.
2.
Sign in with a cisco.com username and password.
3.
Enter the bug identifier in the Search field and click Search.
To look for information when you do not know the identifier:
9
Cisco Expressway Release Note
Using the Bug Search Tool