docs/doc/source/system_configuration/kubernetes/changing-the-mtu-of-an-oam-interface-using-horizon.rst
Stone ecae991cca System Configuration reorg
Organized SysConf Kubernetes and OpenStack content into subdirs and modified
index along lines of Planning layout.

Signed-off-by: Stone <ronald.stone@windriver.com>
Change-Id: Ia17c015b2083a39fcae4ac545fa10cb5445b4cb2
2021-01-29 09:41:28 -05:00

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.. paa1552672791171
.. _changing-the-mtu-of-an-oam-interface-using-horizon:
================================================
Change the MTU of an OAM Interface Using Horizon
================================================
You can change the |MTU| value of an |OAM| interface from the Horizon Web
interface.
If you prefer, you can use the CLI. See :ref:`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.
.. rubric:: |proc|
#. Lock the standby controller.
#. From **Admin** \> **Platform** \> **Host Inventory**, select
the **Hosts** tab.
#. From the **Edit** menu for the standby controller, select **Lock Host**.
.. figure:: ../figures/rst1442611298701.png
:scale: 100%
#. Edit the |OAM| interface to change the |MTU| value.
#. Click the name of the standby controller, then select
the **Interfaces** tab and click **Edit** for the |OAM| interface.
#. In the Edit Interface dialog, edit the **MTU** field, and then
click **Save**.
#. Unlock the standby controller.
From the **Edit** menu for the standby controller, select **Unlock Host**.
#. Swact the hosts.
From the **Edit** menu for the active controller, select **Swact Host**.
.. figure:: ../figures/psa1420751608971.png
:scale: 100%
#. Lock the new standby controller.
#. Modify the |MTU| of the |OAM| interface on the new standby controller.
#. Unlock the standby controller.