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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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SEP Multi-Instance

SEP Multi-Instance

As shown in Figure 12-13, 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 12-13  Networking diagram for SEP multi-instance

Updated: 2019-04-12

Document ID: EDOC1100041791

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