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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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Applications

Applications

STP Application

Loops often occur on a complex network, because multiple physical links are often deployed between two devices to implement link redundancy. Loops may cause broadcast storms and unstable MAC address entries on network devices.

Figure 14-15  Typical STP application

In Figure 14-15, STP is deployed on the devices. The devices exchange information to discover loops on the network and block ports. This ensures a loop-free tree network and that the packet processing capabilities of switches is not impacted.

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Updated: 2019-08-21

Document ID: EDOC1000142081

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