Spanning Tree Protocol
As a enterprise networks expands it require more number of switches. Switches are a point-to-point interconnections via end systems are able to forward frames to destinations located via other switches within the broadcast domain. The failure of one switch or its link results in the immediate isolation of the downstream connectivity. In order to resolve this issue, redundancy is highly recommended within any switching network.
Redundant links are therefore generally used on an Ethernet switching network to provide link backup and enhance network reliability. The use of redundant links, however, may produce loops that cause the communication quality to drastically deteriorate, and major interruptions to the communication service to occur.
One of the initial effects of redundant switching loops comes in the form of broadcast storms. That is a switch that receives a broadcast frame transmits through all its interface thus forming a storm.
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