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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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(Optional) Configuring MDN

(Optional) Configuring MDN

Context

MAC Address Discovery Neighbor (MDN) obtains the MAC addresses of non-Huawei devices. As shown in Figure 7-7, SwitchA is a Huawei device and SwitchB is a non-Huawei device. After MDN is configured on SwitchA, SwitchA can receive non-Link Layer Discovery Protocol (LLDP) packets from SwitchB and obtain SwitchB's MAC address carried in the packets. The MDN function helps the NMS draw the network topology between SwitchA and SwitchB.

Figure 7-7 Networking diagram for MDN application

Procedure

  • Enable MDN globally.
    1. Run system-view

      The system view is displayed.

    2. Run lldp mdn enable

      MDN is enabled globally.

      By default, the MDN function is disabled globally.

      After MDN is enabled globally, the MDN function takes effect on all interfaces on the device.

    3. Run commit

      The configuration is committed.

  • Enable MDN on an interface.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run lldp mdn enable

      MDN is enabled on the interface.

      By default, if MDN is enabled globally, the MDN function takes effect on all interfaces on the device. If MDN is disabled globally, the MDN function does not take effect on any interface.

      If the undo lldp mdn enable command is configured on a specified interface, the MDN function on the interface is disabled but uses the global configuration in the configuration file. If MDN is enabled globally, the interface still has this function enabled. If MDN is disabled globally, the interface has this function disabled.

    4. Run commit

      The configuration is committed.

  • Disable the MDN function on a specified interface after MDN is enabled globally.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run lldp mdn disable

      The MDN function is disabled on the interface.

    4. Run commit

      The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100075365

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