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Configuration Guide - Network Management and Monitoring

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, NETCONF, OpenFlow, LLDP, NQA, Mirroring, Packet Capture, Packet Trace, Path and Connectivity Detection Configuration, NetStream, sFlow, and iPCA.
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Example for Configuring MDN

Example for Configuring MDN

Networking Requirements

As shown in Figure 7-10, non-Huawei devices S1 and S2 have direct links to Huawei switch, and the switch has a reachable route to the NMS. The switch needs to identify and receive the non-standard discovery protocol packets from S1 and S2, and send traps when the neighbors change.

Figure 7-10 Networking diagram for configuring MDN

Configuration Roadmap

The configuration roadmap is as follows:

  1. Enable the LLDP function for the Switch globally.
  2. Configure MDN on the Switch so that the Switch can detect non-Huawei devices to which the Switch is directly connected.
  3. Enable LLDP trap on the switch so that the switch can send traps when neighbors change. You can also configure the switch to send traps to the NMS if necessary.


  1. Enable the LLDP function for the Switch globally.

    <HUAWEI> system-view
    [~HUAWEI] sysname Switch
    [*HUAWEI] commit
    [~Switch] lldp enable

  2. Configure MDN on the Switch.

    # Configure MDN on 10ge 1/0/1.
    [*Switch] interface 10ge 1/0/1
    [*Switch-10GE1/0/1] lldp mdn enable
    [*Switch-10GE1/0/1] quit
    [*Switch] interface 10ge 1/0/2
    [*Switch-10GE1/0/2] lldp mdn enable
    [*Switch-10GE1/0/2] quit

  3. Enable LLDP trap on the switch.

    [*Switch] snmp-agent trap enable feature-name lldp
    [*Switch] commit

  4. Verify the configurations.

    View information about MDN neighbors of the Switch.

    [~Switch] display lldp mdn neighbor
    10GE1/0/1 has 1 neighbor(s):
    Neighbor index                     :1
    MacAddress                         :0023-ea20-b010             
    Discovered time                    :2012-03-09 13:09:55
    10GE1/0/2 has 1 neighbor(s):
    Neighbor index                     :1
    MacAddress                         :0023-ea20-b011             
    Discovered time                    :2012-03-09 13:09:58

Configuration Files

Switch configuration file
sysname Switch
interface 10GE1/0/1
 lldp mdn enable
interface 10GE1/0/2
 lldp mdn enable
snmp-agent trap enable feature-name lldp trap-name hwLldpMdnRemTablesChange
lldp enable
Updated: 2019-04-20

Document ID: EDOC1100075365

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