starlingx/docs
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docs/doc/source/system_configuration/changing-the-mtu-of-an-oam-interface-using-horizon.rst
Drake Finlay 54ec38e256 Adding System Config Guide 
Incorporated patchset 8 review comments from Mary C.

Conditionalized vendor-specific terms and converted code-block to
parsed-literal as required
Reformatted bulleted lists to definition lists
Implemented abbreviation substitutions
Deleted duplicate content
Some minor edits for clarity
Merged new abbreviation definitions in strings.txt

Responding to Patch 5 comments.

Change-Id: If6dd7c4cb802036445cb65853d8de7652df351c0
Signed-off-by: Stone <ronald.stone@windriver.com>
2020-12-21 13:28:54 -05:00

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Change the MTU of an OAM Interface Using Horizon

You can change the value of an 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 <changing-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.

  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.

  2. Edit the interface to change the value.

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

  5. Lock the new standby controller.

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

  7. Unlock the standby controller.