Cisco Cisco MGX 8880 Media Gateway

This release enforces licenses through sales and support, rather than through software locks. You must 
purchase licenses for the services and features that you plan to use on each Multiprotocol Service 
Module (MPSM) card.

For more information, see Cisco MGX 8800/8900 Series Software Configuration Guide.

Release 5.3.10 includes the following new features and warnings.

Release 5.3.10 supports the Processor Switch Module Hard Disk Voice (PXM-HDV) back card, which 
supports four or more VXSM cards on an MGX 8880 media gateway. The size of the D partition on the 
PXM-HDV back card is 2000 Mb. 

To migrate from PXM-HD to PXM-HDV back cards in a non-redundant configuration, perform the 
following steps:

Upgrade the PXM boot and runtime images to release 5.3.10 using the normal upgrade procedure.

Upgrade boot and runtime to 5.3.10.

Enter the saveallcnf command and the saved configuration file to another host using FTP.

Replace the PXM-HD back card with the PXM-HDV back card.

Retrieve the saved configuration file using FTP.

Enter the restoreallcnf command.

To migrate from PXM-HD to PXM-HDV back cards in a redundant configuration, perform the following 
steps:

Upgrade the PXM boot and runtime images to release 5.3.10 using the normal upgrade procedure.

Replace the standby card back card with a PXM-HDV back card and wait for the PXM-HDV back card 
to retrieve configuration information from the active PXM-HD back card.

Enter the switchcc command to force a switchover.

Replace the remaining back card with a PXM-HDV back card.