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S12700 V200R010C00 Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring link aggregation, VLANs, Voice VLAN, VLAN mapping, QinQ, GVRP, MAC table, STP/RSTP/MSTP, SEP, and so on.
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Association Between SEP and VPLS

Association Between SEP and VPLS

Association between SEP and VPLS can be configured on the edge devices of a SEP network to enable the VPLS network to detect any topology change of the SEP network. If the SEP network topology changes, the edge devices send MAC Withdraw packets to the VPLS network. After receiving the MAC Withdraw packets, devices on the VPLS network update their MAC address entries and ARP entries to ensure reliable traffic transmission.

Figure 17-16 shows a networking of association between SEP and VPLS.

Figure 17-16  Association between SEP and VPLS

In Figure 17-16, a CE is connected to a VPLS network through an open ring network. SEP is enabled on the open ring network to eliminate redundant links. If a link on the ring network becomes faulty, SEP can quickly restore the communication between nodes on the ring network.

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Updated: 2019-08-21

Document ID: EDOC1000142081

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