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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R011C10

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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How to Prevent Low Convergence for STP Edge Ports that Connect Terminals?

How to Prevent Low Convergence for STP Edge Ports that Connect Terminals?

Terminal devices cannot participate in the STP calculation or respond to STP packets, causing low convergence. You can prevent low convergence for STP edge switch ports for connecting user terminals or servers as follows:

  • On a port, run the stp edge-port enable command to configure the port as an STP edge port, and run the stp bpdu-filter enable command to enable the BPDU packet filtering function and prevent the port from sending BPDU packets.
  • Run the stp disable command on the port to disable the STP protocol and make the port remain in forwarding state.
To ensure availability and security, you are advised to configure the port as an STP edge port. This is because when a loop occurs on a terminal device connected to an edge port, the port automatically switches to a non-edge port and enables the loop breaking function of STP.
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Updated: 2019-10-18

Document ID: EDOC1000178310

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