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Configuration Guide - Ethernet Switching

S1720, S2700, S5700, and S6720 V200R012(C00 and C20)

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, and Layer 2 protocol transparent transmission.
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Switching to the MSTP Mode

Switching to the MSTP Mode


If an interface on an MSTP-enabled device is connected to an STP-enabled device, the interface switches to the STP-compatible mode.

If the STP-enabled device is switched to MSTP mode, or if it is powered off or disconnected from the MSTP-enabled device, the interface cannot switch to MSTP mode. In this case, use the stp mcheck command to switch the interface to MSTP mode.


  • Switch to the MSTP mode in the interface view.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The view of the Ethernet interface that participates in spanning tree calculation is displayed.

    3. Run stp mcheck

      The device is switched to the MSTP mode.

  • Switch to the MSTP mode in the system view.
    1. Run system-view

      The system view is displayed.

    2. (Optional) Run stp process process-id

      The MSTP process view is displayed.


      Skip this step if you perform configurations in the MSTP process 0.

    3. Run stp mcheck

      The device is switched to the MSTP mode.

Updated: 2018-12-24

Document ID: EDOC1100038339

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