STP – Root Guard, BPDU Guard, and BPDU Filter mechanics, behaviors, and verification labbed!

In this Topology everything is default, so SW1 has one the Root Bridge election with the lowest MAC Address as the tie breaker, and all port states were dynamically calculated. There is a lot to hit on these multiple STP topics, so, without further ado!   First a quick peek at a great verification command … Continue reading STP – Root Guard, BPDU Guard, and BPDU Filter mechanics, behaviors, and verification labbed!