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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R012C00

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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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 to a value 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 binding process process-id

    The port is bound to an MSTP process.

  4. Run stp [ process process-id ] instance instance-id port priority priority

    A port priority is set in an MSTI.

    By default, the port priority is 128.

    The priority value ranges from 0 to 240, in increments of 16.

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Updated: 2019-01-18

Document ID: EDOC1100038843

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