Port priority (also known as controller slot priority) is a set of rules that determine the outcome of certain situations between characters, during matches.
How do I set spanning tree port priority?
We can change the Spanning Tree Port Priority value, using the interface configuration commad “spanning-tree vlan <vlan_no> port-priority <port_priority_value>“, as shown below. You may change the Spanning Tree Port Priority value only in increments of 16.
How does spanning tree determine priority?
To verify the bridge priority of a switch, use the show spanning-tree command. In Example 3-4, the priority of the switch has been set to 24,576. Also notice that the switch is designated as the root bridge for the spanning-tree instance.