AudioCodes Mediant 500 E-SBC, User Manual

Page: 575 / 920

User's Manual 39. Software Upgrade
Version 6.8 575 Mediant 500 E-SBC
39.3 Software Upgrade Wizard
The Web interface's Software Upgrade Wizard lets you easily upgrade the device's
software version (.cmp file). The wizard also provides you the option to load other files
such as an ini file and auxiliary files (e.g., Call Progress Tone / CPT file). However, loading
a .cmp file is mandatory through the wizard and before you can load any other type of file,
the .cmp file must be loaded.
The wizard can also upgrade devices set up in High Availability (HA) mode. You can
choose between two optional HA upgrade methods:

System Reset Upgrade (non-Hitless): Both the active and redundant devices are
upgraded simultaneously. Therefore, this method is traffic-affecting and terminates
current calls during the upgrade process. The process is as follows:
1. The active (current) device loads the .cmp file.
2. The active device sends the .cmp file to the redundant device.
3. Both active and redundant devices install and burn the file to flash memory with a
reset. In other words, no HA switchover occurs.

Hitless Upgrade: The devices are upgraded without disrupting traffic (i.e., current
calls are maintained). The process is as follows:
1. The active (current) device loads the .cmp file.
2. The active device sends the .cmp file to the redundant device.
3. The redundant device installs and burns the file to its flash memory with a reset.
The redundant device now runs the new software version.
4. An HA switchover occurs from the active to redundant device. Therefore, current
calls are maintained and now processed by the previously redundant device,
which is now the active device.
5. The previously active device (now in redundant mode) installs and burns the file
to its flash memory with a reset. Therefore, both devices now run the new
software version.
6. An HA switchover occurs from the active device (i.e., the initial redundant device)
to the redundant device (i.e., the initial active device) to return the devices to their
original HA state. Only the initial redundant device undergoes a reset to return to
redundant state.
Notes:
•
You can obtain the latest software files from AudioCodes Web site at
http://www.audiocodes.com/downloads .
•
When you start the wizard, the rest of the Web interface is unavailable. After the
files are successfully installed with a device reset, access to the full Web interface
is restored.
•
If you upgraded your firmware (.cmp file) and the "SW version mismatch" message
appears in the Syslog or Web interface, your Software License Key does not
support the new .cmp file version. If this occurs, contact AudioCodes support for
assistance.
•
Instead of manually upgrading the device, you can use the device's Automatic
Update feature for automatic provisioning (see Automatic Provisioning on page
583 ).
•
You can also upgrade the device's firmware by loading a .cmp file from an external
USB hard drive connected to the device's USB port. For more information, see
USB Storage Capabilities on page
601 .