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Configure Bridge Priority on Switches via Mist

Follow these steps to identify which bridge gets priority.

The bridge priority value along with the device MAC address forms the bridge ID, which determines the bridge to be elected as the root bridge in a Spanning Tree Protocol (STP) topology. The priority value is useful when two bridges have the same path cost to the root bridge.

To configure bridge priority on a switch:

  1. Click Switches to go to the list of switches.
  2. Click a switch to open it.
    The switch details page appears.
  3. Scroll down to the STP Bridge Priority tile in the Management section.
  4. Select a value from the Bridge Priority drop-down list.
    Note:

    • If you don't set the bridge priority (or select the value ‘none’), the default value (32,768) is configured.

    • The bridge priority can be set only in increments of 4096 (between 0 and 61,440).

    • We recommend that you set the lowest priority for the switch to be elected as root bridge.
  5. To save the changes, click Save on the upper right of the switch details page.