It doesn't matter if is Meraki Switch or Catalyst Switch.     BPDU guard BPDUs - Bridge Protocol Data Units - are informational messages communicated between all switches in a Spanning Tree instance to maintain STP consistency. BPDU Guard is used to protect the Spanning Tree topology of a network by enforcing STP domain borders. If a port with BPDU Guard enabled on it receives a BPDU, the port will transition to a disabled state. It is recommended that BPDU Guard be applied to all access ports or client-facing ports that are not intended to be connected to a neighboring switch.       In general, in all the projects I've followed over the years, I've never seen anyone use BPDU guard on AP ports. But it's up to each individual what they want to configure on their network. 🙂 ... View more