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S9300, S9300E, and S9300X V200R012C00 Configuration Guide - Ethernet Switching

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, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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Application of a Single Ring

Application of a Single Ring

To provide link backup and improve network reliability, you can construct a ring on the network.

Figure 17-20  Network of a single ring

In Figure 17-20, Transit 1, Transit 2, Transit 3, and Master constitute a single RRPP ring. Data traffic is transmitted along the path Transit 1 -> Transit 2 -> Master.

If RRPP detects a fault on the link between Transit 1 and Transit 2, Master unblocks its secondary interface and immediately instructs other nodes on the ring to re-learn MAC address entries and ARP entries. Traffic on the RRPP ring is then switched to the path Transit 1 -> Transit 3 -> Master.

Updated: 2019-01-18

Document ID: EDOC1100038290

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