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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Configuring Mirroring

Configuring Mirroring

Configuring Local Port Mirroring

Pre-configuration Tasks

After local port mirroring is configured, packets passing through mirrored ports are copied to a local monitoring device for analysis and monitoring.

Before configuring local port mirroring, ensure that the link layer protocol status of ports is Up.

Configuring a Local Observing Port

Context

In local mirroring, the monitoring device is directly connected to the observing port.

Do not configure other functions on an observing port; otherwise, the mirroring function is affected.
  • If other service packets are transmitted on the observing port besides the mirrored packets, the packet sources cannot be identified.
  • If congestion occurs on the observing port, mirrored packets may be discarded because of their low priorities.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    observe-port interface interface-type interface-number

    A local observing port is configured.

    NOTE:
    The observing port must be a Layer 2 physical interface.

Configuring a Local Mirrored Port

Context

A mirrored port can be an Ethernet, Eth-Trunk. If an Eth-Trunk port is used as a mirrored port, you must first run the interface eth-trunk command to create an Eth-Trunk.
  • If an Eth-Trunk is configured as a mirrored port, its member ports cannot be configured as mirrored ports. To configure a member port as a mirrored port, delete it from the Eth-Trunk first.
  • If a member port of an Eth-Trunk is configured as a mirrored port, the Eth-Trunk cannot be configured as a mirrored port. To configure the Eth-Trunk as a mirrored port, delete the member port from it first.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface interface-type interface-number

    The mirrored interface view is displayed.

  3. Run:

    mirror to observe-port { both | inbound | outbound }

    A local mirrored port is configured.

Checking the Configuration

Procedure

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

Configuring VAP Mirroring

Pre-configuration Tasks

The VAP mirroring function allows the device to copy packets of a specified VAP to a local monitoring device for both analysis and monitoring.

The AD9431DN-24X does not support this function.

Before configuring VAP mirroring, configure basic WLAN services.

Configuring a Local Observing Port

Context

In local mirroring, the monitoring device is directly connected to the observing port.

Do not configure other functions on an observing port; otherwise, the mirroring function is affected.
  • If other service packets are transmitted on the observing port besides the mirrored packets, the packet sources cannot be identified.
  • If congestion occurs on the observing port, mirrored packets may be discarded because of their low priorities.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    observe-port interface interface-type interface-number

    A local observing port is configured.

    NOTE:
    The observing port must be a Layer 2 physical interface.

Configuring the Mirrored VAP

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    mirror vap to observe-port { both | inbound | outbound } radio-id radio-id ssid ssid

    The mirrored VAP is configured.

Checking the Configuration

Procedure

  • Run the display mirror-vap command to check the VAP mirroring configuration.
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Updated: 2019-01-11

Document ID: EDOC1000176006

Views: 115520

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