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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R012C00

This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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Configuring Layer 2 Protocol Transparent Transmission Mode

Configuring Layer 2 Protocol Transparent Transmission Mode

Context

You can configure the following Layer 2 protocol transparent transmission modes:
  • Configure the device to replace the default multicast MAC address of Layer 2 protocol packets that can be identified by PEs with another multicast MAC address. This mode can be used to transparently transmit Layer 2 protocol packets of only STP, RSTP, and MSTP.
  • Configure the device to replace the original multicast MAC address of Layer 2 protocol packets with a specified multicast MAC address. This mode can be used to transparently transmit all types of Layer 2 protocol packets.

Perform either of the following operations on PEs based on the Layer 2 protocol type and the required transparent transmission mode.

Procedure

  • Replace the default multicast MAC address of Layer 2 protocols that can be identified by PEs with another multicast MAC address.
    1. Run system-view

      The system view is displayed.

    2. Run bpdu-tunnel stp bridge role provider

      The PE is configured as a provider.

  • Replace the original multicast MAC address of Layer 2 protocol packets from user networks with a specified multicast MAC address.
    1. Run system-view

      The system view is displayed.

    2. Run l2protocol-tunnel protocol-type group-mac group-mac

      The original multicast destination MAC address of Layer 2 protocol packets is replaced with a specified multicast MAC address.

      NOTE:

      When configuring Layer 2 protocol transparent transmission, do not use the following multicast MAC addresses to replace the destination MAC address of Layer 2 protocol packets:

      • Destination MAC addresses of BPDUs: 0180-C200-0000 to 0180-C200-002F
      • Destination MAC addresses of Smart Link packets: 010F-E200-0004
      • Special multicast MAC addresses: 0100-0CCC-CCCC and 0100-0CCC-CCCD. By default, 0100-0CCC-CCCC and 0100-0CCC-CCCD are not destination MAC addresses of BPDU packets.
      • Common multicast MAC addresses that have been used on the switch

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Updated: 2019-01-18

Document ID: EDOC1100038843

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