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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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SEP Multi-Instance

SEP Multi-Instance

As shown in Figure 13-13, SEP multi-instance allows two SEP segments to be configured on a physical ring. Each SEP segment independently detects the completeness of the physical ring, blocks or unblocks interfaces without affecting the other.

A physical ring may contain one or two SEP segments. Each SEP segment needs to be configured with a protected instance, each protected instance indicating a VLAN range. The topology calculated by a SEP segment is only valid for that SEP segment.

After different protected instances are configured for SEP segments and the mapping between protected instances and VLANs is set, a blocked interface is only valid for the VLANs protected by the SEP segment where the blocked interface resides. Data traffic for different VLANs can be transmitted along different paths. This implements traffic load balancing and link backup.

Figure 13-13  Networking diagram for SEP multi-instance

Updated: 2019-05-25

Document ID: EDOC1000097279

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