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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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Introduction to Transparent Bridge

Introduction to Transparent Bridge


Transparent bridges are applied in Ethernet environments to connect LANs, to facilitate seamless interaction between LANs. A transparent bridge learns the network topology needed to forward packets by reading the received packet's source MAC address and creating a mapping table between the source MAC address and the interface.


Ethernet LAN has become the mainstream technology due to its robust expansibility and low costs. On some small-scale networks especially on dispersed networks, interworking between LANs remains a problem and needs to be addressed urgently.

Traditional routers can connect LANs, but the costs are high and the configurations are complex. Transparent bridging can be used on an Ethernet network to connect LANs.

Transparent bridging makes full use of links but not low-speed Ethernet links to connect LANs without affecting the existing LAN network. Transparent bridging is easy to use and cost-effective, so it is widely used.

Updated: 2019-05-25

Document ID: EDOC1000097279

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