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S12700 V200R011C10 Configuration Guide - Network Management and Monitoring

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, Traffic Distribution, NetStream, sFlow, and TWAMP Light.
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Example for Configuring Local N:1 Port Mirroring

Example for Configuring Local N:1 Port Mirroring

Networking Requirements

In Figure 8-13, 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 8-13  Local N:1 port mirroring networking

Configuration Roadmap

The configuration roadmap is as follows:
  1. Configure GE1/0/4 of the Switch as a local observing port to forward mirrored packets to the Server.
  2. Configure GE1/0/1 through GE1/0/3 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 GE1/0/4 of the Switch as a local observing port.

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

  2. Configure mirrored ports.

    # Configure GE1/0/1 through GE1/0/3 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 1/0/1
    [Switch-GigabitEthernet1/0/1] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet1/0/1] quit
    [Switch] interface gigabitethernet 1/0/2
    [Switch-GigabitEthernet1/0/2] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet1/0/2] quit
    [Switch] interface gigabitethernet 1/0/3
    [Switch-GigabitEthernet1/0/3] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet1/0/3] return

  3. Verify the configuration.

    # Check the observing port configuration.

    <Switch> display observe-port
      ----------------------------------------------------------------------
      Index          : 1
      Untag-packet   : No
      Interface      : GigabitEthernet1/0/4
      ----------------------------------------------------------------------
    

    # Check the mirrored port configuration.

    <Switch> display port-mirroring
      ----------------------------------------------------------------------
      Observe-port 1 : GigabitEthernet1/0/4
      ----------------------------------------------------------------------
      Port-mirror:
      ----------------------------------------------------------------------
           Mirror-port               Direction  Observe-port
      ----------------------------------------------------------------------
      1    GigabitEthernet1/0/1      Inbound    Observe-port 1
      2    GigabitEthernet1/0/2      Inbound    Observe-port 1
      3    GigabitEthernet1/0/3      Inbound    Observe-port 1
      ----------------------------------------------------------------------  
    

Configuration Files

  • Switch configuration file

    #
    sysname Switch
    #
    observe-port 1 interface GigabitEthernet1/0/4
    #
    interface GigabitEthernet1/0/1
     port-mirroring to observe-port 1 inbound
    #
    interface GigabitEthernet1/0/2
     port-mirroring to observe-port 1 inbound
    #
    interface GigabitEthernet1/0/3
     port-mirroring to observe-port 1 inbound
    #
    return
    
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Updated: 2019-10-21

Document ID: EDOC1000178113

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