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CLI-based Configuration Guide - Network Management and Monitoring

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.

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Enabling the LLDP Trap Function

Enabling the LLDP Trap Function


The LLDP trap function allows a device to send traps to the NMS in one of the following cases:
  • The LLDP function is enabled or disabled globally.
  • The local management address changes.
  • A neighbor is added, deleted, aged out, or packets from the neighbor are discarded.
  • The LLDP trap function applies to all interfaces. The LLDP trap function takes effect regardless whether LLDP is enabled globally.
  • If the network topology is unstable, disable the LLDP trap function to prevent frequent trap sending.
  • To set the interval for sending neighbor change traps to the NMS, run the lldp trap-interval commands. If neighbor information changes frequently, extend the interval to reduce the number of traps, thus suppressing network topology flapping.


  1. Run system-view

    The system view is displayed.

  2. Run snmp-agent trap enable feature-name lldptrap [ trap-name { hwlldpdisabled | hwlldpenabled | hwlldplocmanipaddrchange | lldpremtableschange } ]

    The LLDP trap function is enabled.

    By default, the LLDP trap function is enabled.

Updated: 2019-03-06

Document ID: EDOC1100069336

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