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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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(Optional) Configuring a Port Priority in an MSTI

(Optional) Configuring a Port Priority in an MSTI

Context

During spanning tree calculation, port priorities in MSTIs determine which ports are selected as designated ports.

To block a port in an MSTI to eliminate loops, set the port priority value to larger than the default value. This port will be blocked during designated port selection.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The Ethernet interface view is displayed.

  3. Run:

    stp instance instance-id port priority priority

    A port priority is set in an MSTI.

    By default, the port priority is 128.

    The value range of the priority is from 0 to 240, in steps of 16.

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Updated: 2019-05-25

Document ID: EDOC1000097279

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