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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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Verifying the LDT Configuration

Verifying the LDT Configuration


  1. Run the display loop-detection [ interface interface-type interface-number ] command to check the LDT configuration and interface status.

    If interface-type and interface-number are not specified, the status of the global LDT function is displayed. If the function is enabled, the system displays the interval for sending LDT packets, ID of the VLANs with this function enabled, detected loops, and actions taken on the interfaces where loops are detected.

    If interface-type and interface-number are specified, the system displays the interface status, interface recovery time, and LDT-enabled VLAN.

Updated: 2019-10-18

Document ID: EDOC1000178310

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