starlingx/docs
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docs/doc/source/system_configuration/kubernetes/changing-the-mtu-of-an-oam-interface-using-the-cli.rst
Adil e6d6e84cad Reorganize Content of Guides 
- Sys Config Guide
   - Node Management Guide

Topic already in Sys Config Guide with different names (deleted).
Added links to topics

Moved links to other topics according to review.

Signed-off-by: Adil <mohamed.adilassakkali@windriver.com>
Change-Id: Ifb015461a60bedd7b5ddd8cee651ac41fc038c3f
2021-06-14 09:22:08 -03:00

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Change the MTU of an OAM Interface Using the CLI

You can change the value of an interface using the CLI.

If you prefer, you can use the Horizon Web interface; see Change the MTU of an OAM Interface Using Horizon <changing-the-mtu-of-an-oam-interface-using-horizon>.

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

  1. Lock the standby controller.

    ~(keystone_admin)]$ system host-lock controller-1

  2. Use the system host-if-modify command to specify the interface and the new MTU value on the standby controller. This example assumes the interface name as oam0.

    ~(keystone_admin)]$ system host-if-modify controller-1 oam0 --imtu 1600

  3. Unlock the standby controller.

    ~(keystone_admin)]$ system host-unlock controller-1

  4. Swact the controllers.

    ~(keystone_admin)]$ system host-swact controller-1

  5. Lock the new standby controller.

    ~(keystone_admin)]$ system host-lock controller-0

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

    ~(keystone_admin)]$ system host-if-modify controller-0 oam0 --imtu 1600

  7. Unlock the standby controller.

    ~(keystone_admin)]$ system host-unlock controller-0