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Configuration Guide - Network Management and Monitoring

S1720, S2700, S5700, and S6720 V200R011C10

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, NetStream, sFlow, TWAMP Light, and NETCONF.

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Configuring Local VLAN Mirroring

Configuring Local VLAN Mirroring

Context

In local VLAN mirroring, an observing port is directly connected to a monitoring device and directly forwards the packets copied from a VLAN to the monitoring device for analysis.

Procedure

  1. Run the system-view command to enter the system view.
  2. Configure local observing ports.

    • Configure a single local observing port.

      Run the observe-port [ observe-port-index ] interface interface-type interface-number [ untag-packet ] command to configure a local observing port.

    • Configure multiple local observing ports in a batch. (This configuration mode is supported only by the S5720EI, S5720HI, S6720S-EI, and S6720EI.)

      1. Run the observe-port [ observe-port-index ] interface-range { interface-type interface-number [ to interface-type interface-number ] } &<1-n> [ untag-packet ] command to configure multiple local observing ports in a batch.

        n in &<1-n> is 4 on the S5720EI, S6720S-EI, and S6720EI and 8 on the S5720HI, indicating that this command can be configured four times on the S5720EI, S6720S-EI, and S6720EI, and eight times on the S5720HI.

      2. (Optional) Run the observe-port observe-port-index interface-range { add | delete } interface-type interface-number command to add or delete local observing ports to or from multiple local observing ports configured in a batch.

    An observing port is dedicated to forwarding mirrored traffic. Do not configure other services on an observing port; otherwise, mirrored traffic and other service traffic interfere with each other.

  3. Bind a VLAN to an observing port.

    • Run the vlan vlan-id command to enter the VLAN view.

    • Run the mirroring to observe-port observe-port-index inbound command to bind the VLAN to a specified observing port. That is, packets received by all the ports in the VLAN are copied and sent to the specified observing port.

      observe-port-index specifies the observing port index and must be the same as the index of the configured observing port.

Verifying the Configuration

  • Run the display observe-port command to check the observing port configuration.
  • Run the display port-mirroring command to check the mirroring configuration.

Configuration Tips

Restoring the default configuration of an Ethernet port or Eth-Trunk configured as an observing port

  1. Unbind the mirrored VLAN from the observing port.

    [HUAWEI] vlan xxx
    [HUAWEI-vlanxxx] undo mirroring inbound
    [HUAWEI-vlanxxx] quit
  2. Delete the observing port configuration in the system view.

    [HUAWEI] undo observe-port x
    
  3. After steps 1 and 2 are complete, the default configuration of the Ethernet port or Eth-Trunk is restored. You can then configure other services on the Ethernet port or Eth-Trunk.

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Updated: 2020-02-06

Document ID: EDOC1000178174

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