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Configuration Guide - Network Management and Monitoring

S1720, S2700, S5700, and S6720 V200R011C10

This document provides the configurations of network management and monitoring features supported by the product, including SNMP, RMON and RMON2, LLDP, Performance Management, iPCA, NQA, Service Diagnosis, Mirroring, Packet Capture, NetStream, sFlow, TWAMP Light, and NETCONF.

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(Optional) Disabling LLDP on an Interface

(Optional) Disabling LLDP on an Interface


LLDP can be enabled in the system view and the interface view:
  • When LLDP is enabled in the system view, LLDP is enabled on all interfaces.
  • When LLDP is disabled in the system view, LLDP is disabled on all interfaces.
  • An interface can send and receive LLDP packets only after LLDP is enabled in both the system view and the interface view.
  • After LLDP is disabled globally, the commands for enabling and disabling LLDP on an interface do not take effect.
  • If LLDP needs to be disabled on some interfaces, first enable LLDP globally, and run the undo lldp enable command on these interfaces. To re-enable LLDP on these interfaces, run the lldp enable command in the views of these interfaces.

The lldp enable (interface view) command can be executed only on an Ethernet interface, regardless of whether it works at Layer 2 or Layer 3 mode, but not on a logical interface such as a VLANIF or Eth-Trunk interface. For an Eth-Trunk interface, LLDP can only be enabled on its member interfaces. LLDP-enabled interfaces and LLDP-disabled interfaces can exist in the same Eth-Trunk.


  1. Run system-view

    The system view is displayed.

  2. Run interface interface-type interface-number

    The interface view is displayed.

  3. Run undo lldp enable

    LLDP is disabled on the interface.

Updated: 2020-02-06

Document ID: EDOC1000178174

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