Dropping of L2 BPDUs is disabled. L2 BPDUs are allowed on endpoints in L2 interfaces.
Global Configuration Mode
Physical Interface Configuration Mode
Port-Channel Interface Configuration Mode
The no form of the command disables dropping of Layer 2 (L2) bridge protocol data units (BPDUs) in Layer 2 interfaces.
The following example shows how to enable dropping of L2 BPDUs for all L2 Interfaces.
device# configure terminal device(config)# bpdu-drop-enable
The following example shows how to enable dropping of L2 BPDUs for L2 Physical Interface.
device# configure terminal device(config)# interface Ethernet 0/40 device(conf-if-eth-0/40)# bpdu-drop-enable
The following example shows how to enable dropping of L2 BPDUs for L2 Port-Channel Interface.
device# configure terminal device(config)# interface Port-channel 30 device(conf-Port-channel-30)# bpdu-drop-enable