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Upgrading the Sonus DSC 8000

You must upgrade the DSC 8000 system cards in the following order: (1) CPUs, (2) MCH Ethernet Switches, and (3) IO cards.

The screen captures in this page are examples only and are the same between releases with the exception of the software version numbers in these screen captures.

Caution

Do not log onto the system using the shared IP addresses on the Management CPUs during the upgrade processes. These addresses are disabled as part of this process.

To upgrade the software on the CPUs (14.x.y or 15.x.y to 16.0.0)

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To verify the CPU software has been properly installed

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To upgrade the software on the Ethernet (MCH) Switches

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To verify the Ethernet Switch (MCH) software has been properly installed

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To upgrade the software on the IOs

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To verify the IO software has been properly installed

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Upgrading the Software on Spare System Cards

The spare MCH and IO cards software can be updated when they are needed to replace a failed card. The cards are difficult to remove from the system, so do not attempt to remove the cards unless it is necessary. Contact Customer Support for assistance to upgrade the cards.

Note

Some of the system cards may be equipped with a yellow guard. You must remove these guards before inserting the respective card into the chassis’ slot. For more information, see the appropriate chapter in the DSC 8000 Hardware Installation Guide.

 

Post Upgrade Processes

After the software upgrade is completed, verify the system configuration and data recorded before the upgrade (see Collecting Common System Status Information).

With consideration of any feature changes, validate the upgraded system. In case of any discrepancies in the system prior to and after upgrade, contact Customer Support before considering a software rollback to the software prior to the upgrade (see Customer Support).

Note

A software rollback process only should be performed in case severe issues occur shortly after the software upgrade. Any provisioning or configuration changes that have been made after an upgrade are lost during a rollback process.