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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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Configuration Task Summary

Configuration Task Summary

Table 17-8 lists the configuration task summary of SEP.

Table 17-8  Configuration task summary of SEP
Item Description Task

Configure basic SEP functions.

After basic SEP functions are configured on devices, the devices start SEP negotiation. Interfaces that complete neighbor negotiations last are blocked to eliminate redundant links.

When logging in to nodes on a SEP semi-ring through Telnet to configure the nodes, note the following points:
  • VLANIF interfaces and their IP addresses need to be configured, because these nodes are Layer 2 devices. The VLANs to which these VLANIF interfaces correspond must be mapped to SEP protected instances.
  • Basic SEP functions need to be configured from the node at one end of the semi-ring to the node at the other end of the semi-ring.

Configuring Basic SEP Functions

Specify an interface to block.

In some cases, however, the negotiated blocked interface may not be the required one. You can specify an interface to block according to network requirements.

Specifying an Interface to Block

Configure SEP multi-instance.

To implement load balancing and to use of bandwidth efficiently, protected instances need to be deployed on a SEP network and mapped to VLANs.

Configuring SEP Multi-Instance

Configure the topology change notification function.

A SEP network must work together with another network that runs other features. If the topology of one network changes, the other network must be able to detect the topology change and take measures to ensure reliable data transmission. Therefore, the topology change notification function must be enabled on the SEP network to ensure network reliability.

Configuring the Topology Change Notification Function

Updated: 2019-12-28

Document ID: EDOC1000142081

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