docs/doc/source/datanet/openstack/changing-the-mtu-of-a-data-interface.rst
Ron Stone 2134828665 Datanet reorg
Split content into kubernetes and openstack to align with refactoring of other docs.
Incorporated review comments
doc/source/_includes/dynamic-vxlan.rest update

Signed-off-by: Ron Stone <ronald.stone@windriver.com>
Change-Id: I4c27aa4d1d5d405824eda669d5f484987e7789de
Signed-off-by: Ron Stone <ronald.stone@windriver.com>
2021-04-05 11:39:14 -04:00

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.. rst1448489015877
.. _changing-the-mtu-of-a-data-interface:
==================================
Change the MTU of a Data Interface
==================================
You can change the |MTU| value for a data interface within limits determined by
the data network to which the interface is attached.
.. rubric:: |context|
The data interface |MTU| must be equal to or greater than the |MTU| of the data
network.
.. rubric:: |proc|
.. _changing-the-mtu-of-a-data-interface-steps-hfm-5nb-p5:
#. Lock all hosts attached to the data network.
#. From **Admin** \> **Platform** \> **Host Inventory**, select the
**Hosts** tab.
#. From the **Edit** menu for the standby controller, select **Lock Host**.
#. On all the hosts, edit the interface to change the |MTU| value.
#. Click the name of the host, and then select the **Interfaces** tab and
click **Edit** for the interface you want to change.
#. In the Edit Interface dialog, edit the **MTU** field, and then click
**Save**.
#. Unlock all the hosts.
From the **Edit** menu for the host, select **Unlock Host**.
The network |MTU| is updated with the new value.