Change the MTU of an OAM Interface Using HorizonΒΆ

You can change the MTU value of an OAM interface from the Horizon Web interface.

If you prefer, you can use the CLI. See Change the MTU of an OAM Interface Using the CLI.

Controller configuration changes require each controller to be locked. This requires a swact during the procedure.

Procedure

  1. Lock the standby controller.

    1. From Admin > Platform > Host Inventory, select the Hosts tab.

    2. From the Edit menu for the standby controller, select Lock Host.

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  2. Edit the OAM interface to change the MTU value.

    1. Click the name of the standby controller, then select the Interfaces tab and click Edit for the OAM interface.

    2. In the Edit Interface dialog, edit the MTU field, and then click Save.

  3. Unlock the standby controller.

    From the Edit menu for the standby controller, select Unlock Host.

  4. Swact the hosts.

    From the Edit menu for the active controller, select Swact Host.

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  5. Lock the new standby controller.

  6. Modify the MTU of the OAM interface on the new standby controller.

  7. Unlock the standby controller.