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AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009 CLI-based Configuration Guide - Ethernet Switching

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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: 2019-05-17

Document ID: EDOC1000174108

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