Cisco MGX 8950 Specifications download pdf (Page 608)

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Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide

Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004

Appendix F MPSM Licensing

MPSM Licensing Information

secondary card for a primary card, licenses are allocated to the secondary card. When the secondary card

serves multiple primary cards, the secondary card receives one of each type of license used by the

primary cards it serves.

If the license pool on the switch has an available license for that feature on the MPSM card type, the

license is automatically allocated to the card. Once a license is allocated to the card, it is no longer

available for use on other cards until it returns to the license pool (See “Recovering Feature Licenses

That are Not In Use”).

If you configure a card to use a feature for which no licenses are available, the command that requires

the feature will fail.

Recovering Feature Licenses That are Not In Use

Feature licenses are automatically returned to the license pool when the card configuration no longer

requires them. The following actions can be used to remove the configuration for featured licenses:

• Use the CLI commands to remove the feature configuration. For example, if you delete all

channelized ports (delport) on a card, the channelized feature is no longer required and will be

returned to the license pool.

• Clear the entire configuration on the service module (clrsmcnf).

• Clear the entire configuration on the switch (clrallcnf).

• Delete a redundant card configuration. This action releases any licenses reserved for the secondary

card, provided that those licenses are no longer required for other primary cards.

When licenses are returned to the license pool, they are immediately available for use on other MPSM

cards.

Saving and Restoring the License Configuration

MPSM feature licenses are backed up and restored with the complete switch configuration as described

in the “Managing the Configuration Files” section in Chapter 9, “Switch Operating Procedures”.

Caution To avoid losing feature licenses, always save the switch configuration after you move, transfer, or add

licenses, by using the saveallcnf command.

Transferring Licenses Between Switches

When you transfer licenses between switches, you are removing one or more licenses from one switch

for use on another switch. To transfer licenses between switches, you will need to get a transfer license

from Cisco.com. The general procedure is as follows:

1. Collect the switch serial numbers used for licensing from the source and destination nodes.

2. Using Cisco.com, enter the output generated by the dsplicnodeid command, specify the licenses to

transfer, and obtain a transfer license.

3. Move the transfer license to the source switch.

4. Apply the transfer license on the source switch to remove the desired licenses and obtain a new

license key and file that can be applied on the destination switch.

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Cisco MGX 8950 Specifications Page 608