What is a network storm and how does STP help prevent it from happening on the network?
What is a network storm and how does STP help prevent it from happening on the network?
What is a network storm?
When two network segments are joined by two or more Layer 2 switches, creating a circle, physical loops are produced in a switched network. It is possible for traffic to loop around the network since switches are built to flood broadcasts and unknown traffic. The frame is routed out of each switch port on the device whenever a broadcast frame is received on a switch port (unless, of course, the switch ports are assigned to separate VLANs). The broadcast frame may be passed back and forth between two switches if they are connected by two network segments. Some people refer to this as a network or broadcast storm.
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