Bridge Protocol Data Units (BPDUs)

URI: https://gptkb.org/entity/Bridge_Protocol_Data_Units_(BPDUs)
GPTKB entity
Statements (39)
Predicate Object
gptkbp:instanceOf gptkb:network_protocol
gptkbp:contains forward delay
hello time
max age
message age
port ID
bridge ID
root path cost
gptkbp:definedIn gptkb:IEEE_802.1w
gptkb:IEEE_802.1D
gptkbp:field flags
version
forward delay
hello time
max age
message age
port ID
root bridge ID
BPDU type
bridge ID
protocol ID
root path cost
gptkbp:frequency sent every 2 seconds by default
https://www.w3.org/2000/01/rdf-schema#label Bridge Protocol Data Units (BPDUs)
gptkbp:protectedBy gptkb:BPDU_Guard
gptkb:Root_Guard
gptkbp:purpose prevent network loops
exchange information between switches
gptkbp:sentBy network switches
other switches in the same broadcast domain
gptkbp:supportsProtocol Layer 2
gptkbp:type gptkb:Configuration_BPDU
gptkb:Topology_Change_Notification_(TCN)_BPDU
gptkbp:usedIn gptkb:Rapid_Spanning_Tree_Protocol_(RSTP)
gptkb:Spanning_Tree_Protocol_(STP)
gptkbp:vulnerableTo gptkb:BPDU_attack
gptkbp:bfsParent gptkb:Multiple_Spanning_Tree_Protocol_(MSTP)
gptkb:Rapid_Spanning_Tree_Protocol_(RSTP)
gptkbp:bfsLayer 6