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AR100-S, AR110-S, AR120-S, AR150-S, AR160-S, AR200-S, AR1200-S, AR2200-S, and AR3200-S V200R009 CLI-based Configuration Guide - Ethernet Switching

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Open-Ring Networking

Open-Ring Networking

As shown in Figure 13-9, Router1 to Router5 form an open ring to access a Layer 2 network. The two edge devices on the Layer 2 network, that is, Router1 and Router5, are not directly connected. This networking is called open-ring networking. The open-ring networking is at the access layer and is used to transparently transmit Layer 2 unicast and multicast services. When SEP runs at the access layer, redundancy protection switching can be implemented at the access layer and topology of the SEP segment can be displayed.

On an open-ring network, edge interfaces are located on the two edge devices in the SEP segment.

Figure 13-9  Networking diagram of an open ring running SEP

Updated: 2019-05-17

Document ID: EDOC1000174108

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