The path with the smallest cost will be used and extra redundant paths will be disabled.
To explain the effect of STP & Pseudo VLAN on the wireless clients, we will compare 3 separate scenarios.
Scenario #1 – (No STP, No Pseudo VLAN)
Referring to the illustration below, if the Spanning Tree Protocol (STP) and Pseudo VLAN are not implemented in a network, all clients (Notebook#1, #2, #3 & #4,) can access to one another, resulting in low level of data security. Due to the redundant paths found in this network, broadcast packets will be duplicated and forwarded endlessly resulting in a broadcast storm.
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