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S12700 V200R010C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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Setting the Link Type of a Port

Setting the Link Type of a Port


Implementing fast convergence on a P2P link is easy. If the two ports connected to a P2P link are root or designated ports, the ports can transit to the forwarding state quickly by sending Proposal and Agreement packets. This reduces the forwarding delay.


  1. Run:


    The system view is displayed.

  2. Run:

    interface interface-type interface-number

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

  3. Run:

    stp point-to-point { auto | force-false | force-true }

    The link type of the interface is set.

    By default, the link type of a port is auto.

    • If the Ethernet port works in full-duplex mode, the port is connected to a P2P link. You can specify force-true to implement fast convergence.

    • If the Ethernet port works in half-duplex mode, specify force-true to forcibly set the link type to P2P to implement fast convergence.

    • In other situations, specify auto so that the port identifies whether it is connected to a P2P link.

Updated: 2019-08-21

Document ID: EDOC1000142081

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