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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Replacing the Multicast Destination MAC Address of Layer 2 Protocol Packets with a Specified Multicast MAC Address

Replacing the Multicast Destination MAC Address of Layer 2 Protocol Packets with a Specified Multicast MAC Address

Context

Layer 2 protocol transparent transmission is implemented by replacing the original multicast MAC address of Layer 2 protocol packets from user networks with a specified multicast MAC address.

Perform the following steps on the PE.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run the following commands as required.
    • If the Layer 2 protocol packets from a user network are STP BPDUs, LACPDUs, LLDPDUs, or CDP packets, run the l2protocol-tunnel protocol-type group-mac group-mac command to replace the destination MAC address of the Layer 2 protocol packets with a specified multicast MAC address.

      By default, the device is not enabled to replace the multicast destination MAC address of Layer 2 protocol packets with a specified multicast MAC address.

      NOTE:
      • The used multicast MAC address on the device cannot be replaced destination MAC address of Layer 2 protocol packets.
    • If the Layer 2 protocol packets from a user network are not STP BPDUs, LACPDUs, LLDPDUs, or CDP packets, run the l2protocol-tunnel user-defined-protocol protocol-name protocol-mac protocol-mac group-mac group-mac command to customize Layer 2 protocol packets and replace the destination MAC address of the Layer 2 protocol packets with a specified multicast MAC address.

      By default, Layer 2 protocol packets are not customized.

      NOTE:
      • The destination MAC address of user-defined protocol packets must be different from that of STP BPDUs, LACPDUs, LLDPDUs, and CDP packets, and the replaced multicast MAC address must be different from the used multicast MAC address.
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Updated: 2019-05-25

Document ID: EDOC1000097279

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