What Is Port Priority in Spanning Tree

When a loop occurs in a network topology, spanning tree can use the port priority value for the ports to decide which port must be put in forwarding state. The port priority is only used to determine the topology if the loop in the network cannot be resolved using bridge IDs or path cost.

What is port priority?

Port priority (also known as controller slot priority) is a set of rules that determine the outcome of certain situations between characters, during matches.

What is spanning tree priority?

Every switch taking part in spanning tree has a bridge priority. The switch with the lowest priority becomes the root bridge. … The ID number is typically derived from a MAC address on the switch. The problem is that, by default, every switch has the same priority value (32768).