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CLI-based Configuration Guide - Ethernet Switching

AR650, AR1600, and AR6100 V300R003

This document describes how to configure the components for LAN services, including link aggregation groups, VLANs, voice VLANs, MAC address tables, transparent bridging, as well as GVRP, STP/RSTP, and MSTP protocols.
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Local Bridging

Local Bridging

Local bridging is the basic function of transparent bridging. As shown in Figure 14-5, LAN 1 and LAN 2 are in the same geographic location and need to communicate with each other at the link layer. Transparent bridging can be used to bridge these LANs locally.

Figure 14-5  Local bridging network diagram

A bridge group is created on Router A. Ethernet 2/0/1 in LAN 1 and Ethernet 2/0/2 in LAN 2 are added to the bridge group. In this manner, LAN 1 and LAN 2 are bridged and can communicate with each other at the link layer.

After local bridging is configured, the bridge group configured for the transparent bridge is able to:

  • Learn the mapping relationship between the MAC address and the interface (MAC forwarding entry).

  • Be configured with static and blackhole MAC address entries.

  • Be enabled with or disabled from dynamic MAC address entry learning.

  • Be configured with the aging time of dynamic MAC entries.

  • Bridge all protocol packets (including IP and non-IP packets) by default.

Updated: 2019-04-12

Document ID: EDOC1100041791

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