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S9300, S9300E, and S9300X V200R012C00 Configuration Guide - Ethernet Switching

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, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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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: 2019-01-18

Document ID: EDOC1100038290

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