Definitions for "BPDU"
Keywords:  bridge, stp, spanning, hello, topology
Data messages exchanged across switches in an extended LAN with a spanning tree protocol topology. BPDU packets assure that data arrives at the intended destination. These packets contain information on addresses, costs, ports, and priorities. Network loop detection involves exchanging BPDU messages across bridges. Loop deletion entails placing redundant switch ports in a backup (blocked) state and shutting down selected bridge interfaces.
Bridge Protocol Data Unit. Data structure exchanged by protocols. (ex : datagrams for IP, packets for X25...).
Bridge Protocol Data Unit. Provide bridging information in a message format. BPDUs are sent across device information with in Spanning Tree configuration. BPDU packets contain information on ports, addresses, priorities, and forwarding costs.
Keywords:  break, even, point
break-even point