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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 1:N Port Mirroring (Single Configuration)

Example for Configuring Local 1:N Port Mirroring (Single Configuration)

Networking Requirements

In Figure 8-11, the R&D department of a company accesses the Internet through the Switch, and monitoring devices Server1, Server2, and Server3 are directly connected to the switch.

Internet-bound traffic from the R&D department needs to be copied and sent to different servers for different monitoring and analysis purposes.

Figure 8-11  Local 1:N port mirroring networking

Configuration Roadmap

The configuration roadmap is as follows:
  1. Configure GE1/0/2 through GE1/0/4 of the Switch as local observing ports to forward mirrored packets to different servers.
  2. Configure GE1/0/1 of the Switch as a mirrored port to copy the traffic passing through it and send the traffic to different local observing ports.

Procedure

  1. Configure observing ports.

    # Configure GE1/0/2 through GE1/0/4 of the Switch as local observing ports one by one.

    <HUAWEI> system-view
    [HUAWEI] sysname Switch
    [Switch] observe-port 1 interface gigabitethernet 1/0/2
    [Switch] observe-port 2 interface gigabitethernet 1/0/3
    [Switch] observe-port 3 interface gigabitethernet 1/0/4

  2. Configure a mirrored port.

    # Configure GE1/0/1 of the Switch as a mirrored port to copy the packets received by the mirrored port and send them to local observing ports.

    NOTE:

    In 1:N mirroring, the number of observing ports is determined by the mirroring specifications.

    [Switch] interface gigabitethernet 1/0/1
    [Switch-GigabitEthernet1/0/1] port-mirroring to observe-port 1 inbound
    [Switch-GigabitEthernet1/0/1] port-mirroring to observe-port 2 inbound
    [Switch-GigabitEthernet1/0/1] port-mirroring to observe-port 3 inbound
    [Switch-GigabitEthernet1/0/1] return
    

  3. Verify the configuration.

    # Check the observing port configuration.

    <Switch> display observe-port
      ----------------------------------------------------------------------
      Index          : 1
      Untag-packet   : No
      Interface      : GigabitEthernet1/0/2
      ----------------------------------------------------------------------
      Index          : 2
      Untag-packet   : No
      Interface      : GigabitEthernet1/0/3
      ----------------------------------------------------------------------
      Index          : 3
      Untag-packet   : No
      Interface      : GigabitEthernet1/0/4
      ----------------------------------------------------------------------

    # Check the mirrored port configuration.

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

Configuration Files

  • Switch configuration file

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

Document ID: EDOC1000178113

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