What is the difference between port cost and path cost in STP ?
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ZAP
ZAP
Hello Debasish Roy
Port cost - It is the cost of a port which is calculated by bandwidth of link and inversely proportional to bandwidth of link . The following table describe the port cost value for different bandwidth -
Path cost - The path cost is the metric stp uses to calculate the shortest path to elect root port to reach the root-bridge . The path cost is based on the speed of the interface of switch . The lower path cost path will be preferable and that switchport on which total cost is lower to reach root bridge is called root port .
Have a nice day .
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