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Configuration Guide - Network Management and Monitoring

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Network Management and Monitoring, including SNMP, RMON, RMON2, LLDP, Performance Management, iPCA, NQA, Service Diagnosis, Mirroring, Packet Capture, NetStream, sFlow, TWAMP Light, NETCONF, ECA, Intelligent Video O&M, eMDI, and Network Deception.
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Example for Configuring Local N:1 Port Mirroring

Example for Configuring Local N:1 Port Mirroring

Networking Requirements

In Figure 8-15, three departments (science and technology departments 1 and 2 and administrative department) of a company access the Internet through the switch. The monitoring device (Server) is directly connected to the switch.

Internet-bound traffic from the three departments needs to be monitored by the server.

Figure 8-15  Local N:1 port mirroring networking

Configuration Roadmap

The configuration roadmap is as follows:
  1. Configure GE0/0/4 of the Switch as a local observing port to forward mirrored packets to the Server.
  2. Configure GE0/0/1 through GE0/0/3 of the Switch as mirrored ports to copy Internet-bound traffic from the three departments and send the traffic to the local observing port.

Procedure

  1. Configure an observing port.

    # Configure GE0/0/4 of the Switch as a local observing port.

    <HUAWEI> system-view
    [HUAWEI] sysname Switch
    [Switch] observe-port 1 interface gigabitethernet 0/0/4

  2. Configure mirrored ports.

    # Configure GE0/0/1 through GE0/0/3 of the Switch as mirrored ports to copy the packets received by the mirrored ports and send them to the local observing port.

    [Switch] interface gigabitethernet 0/0/1
    [Switch-GigabitEthernet0/0/1] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet0/0/1] quit
    [Switch] interface gigabitethernet 0/0/2
    [Switch-GigabitEthernet0/0/2] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet0/0/2] quit
    [Switch] interface gigabitethernet 0/0/3
    [Switch-GigabitEthernet0/0/3] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet0/0/3] return

  3. Verify the configuration.

    # Check the observing port configuration.

    <Switch> display observe-port
      ----------------------------------------------------------------------
      Index          : 1
      Untag-packet   : No
      Interface      : GigabitEthernet0/0/4
      ----------------------------------------------------------------------

    # Check the mirrored port configuration.

    <Switch> display port-mirroring
      ----------------------------------------------------------------------
      Observe-port 1 : GigabitEthernet0/0/4
      ----------------------------------------------------------------------
      Port-mirror:
      ----------------------------------------------------------------------
           Mirror-port               Direction  Observe-port
      ----------------------------------------------------------------------
      1    GigabitEthernet0/0/1      Inbound    Observe-port 1
      2    GigabitEthernet0/0/2      Inbound    Observe-port 1
      3    GigabitEthernet0/0/3      Inbound    Observe-port 1
      ----------------------------------------------------------------------  

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Updated: 2019-04-20

Document ID: EDOC1100065680

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