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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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Setting the Maximum Transmission Rate of a Port

Setting the Maximum Transmission Rate of a Port


The maximum transmission rate of a port indicates the maximum number of BPDUs sent per second. A larger value of the maximum transmission rate of a port indicates more BPDUs sent at an interval of Hello time and therefore more system resources are occupied.

Setting the proper value of this parameter prevents excess bandwidth usage when route flapping occurs. If network flapping occurs frequently, and the switch needs to detect topology change in a timely manner and has sufficient bandwidth resources, set a large value for this parameter.


  1. Run system-view

    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 transmit-limit packet-number

    The maximum number of BPDUs that the port can send at an interval of Hello time is set.

    By default, a port sends a maximum of 6 BPDUs per second.


    If the maximum number of BPDUs needs to be set on all ports of the switch, run the stp transmit-limit (system view) command.

Updated: 2019-10-18

Document ID: EDOC1000178310

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