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Configuration Guide - Ethernet Switching

S7700 and S9700 V200R012C00

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, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ERPS, LBDT, HVRP, and Layer 2 protocol transparent transmission.
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Application Scenarios for STP/RSTP

Application Scenarios for STP/RSTP

On a complex network, multiple physical links are often deployed between two devices to implement link redundancy. However, this may lead to loops, which can cause broadcast storms and damage MAC address entries on network devices.

Figure 14-15  Typical STP/RSTP application scenario

As shown in Figure 14-15, STP/RSTP is deployed on the devices. The devices exchange information to discover loops on the network and block a port to trim the ring topology into a loop-free tree topology. The tree topology prevents infinite looping of packets on the network and ensures packet processing capabilities of the devices.

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Updated: 2019-01-18

Document ID: EDOC1100038843

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