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CLI-based Configuration Guide - Network Management and Monitoring

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples in different application scenarios of the network management feature supported by the device.
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Example for Configuring 1:1 Local Port Mirroring

Example for Configuring 1:1 Local Port Mirroring

Networking Requirements

As shown in Figure 10-4, the R&D department of a company communicates with the Internet through the router, and the server (monitoring device) is directly connected to the router.

The server is required to monitor traffic from the R&D department to the Internet.

Figure 10-4  Networking of local port mirroring

Configuration Roadmap

The configuration roadmap is as follows:
  1. Configure GE2/0/0 as the local observing port to forward mirrored packets to the server.
  2. Configure GE1/0/0 as the mirrored port to copy traffic from the R&D department to the Internet to the local observing port.

Procedure

  1. Configure an observing port.

    # Configure GE2/0/0 on the router as the local observing port.

    <Huawei> system-view
    [Huawei] sysname Router
    [Router] observe-port interface gigabitethernet 2/0/0
    

  2. Configure a mirrored port.

    # Configure GE1/0/0 on the router as the mirrored port and configure GE1/0/0 to copy received packets to the local observing port.

    [Router] interface gigabitethernet 1/0/0
    [Router-GigabitEthernet1/0/0] mirror to observe-port inbound
    [Router-GigabitEthernet1/0/0] return
    

  3. Verify the configuration.

    # Check the configuration of the observing port.

    <Router> display observe-port
      ----------------------------------------------------------------------        
      Index    : 1                                                                  
      Interface: GigabitEthernet2/0/0                                               
      Used     : 0                                                                  
      ----------------------------------------------------------------------   

    # Check the configuration of the mirrored port.

    <Router> display mirror-port
      ---------------------------------------------------------------------------   
        Mirror-port              Direction  Observe-dest                            
      ---------------------------------------------------------------------------   
      1 GigabitEthernet1/0/0     Inbound    GigabitEthernet2/0/0                    
      ---------------------------------------------------------------------------   

Configuration Files

  • Configuration file of the router

    #
    sysname Router
    #
     observe-port interface GigabitEthernet2/0/0
    #
    interface GigabitEthernet1/0/0
     mirror to observe-port inbound
    
    #
    return
    
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Updated: 2019-03-06

Document ID: EDOC1100069336

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