What is the total length of the port ID in STP?
What is the total length of the port ID in STP?
The total length of the port ID in Spanning Tree Protocol (STP) is 16 bits because it consists of a 4-bit port priority and a 12-bit port number, adding up to 16 bits in total.
A PID is the ID of a port, and consists of a 4-bit priority and a 12-bit port number. https://support.huawei.com/enterprise/en/doc/EDOC1000128405/9cbc1726/stp-port-priority