BPDU Guard Status Example Configurations

The following example shows how to configure BPDU guard at the interface level and to verify the configuration by issuing the show stp-bpdu-guard and the show interface commands.

device(config)# interface ethernet 1/1/1
device(config-if-e1000-1/1/1)# stp-bpdu-guard
device(config-if-e1000-1/1/1)#
device(config-if-e1000-1/1/1)# show stp-bpdu-guard
BPDU Guard Enabled on:
Ports: (U1/M1)   1
device(config-if-e1000-1/1/1)#
device(config-if-e1000-1/1/1)# show interfaces ethernet 1/1/1
GigabitEthernet1/1/1 is up, line protocol is up
Port up for 40 seconds
Hardware is GigabitEthernet, address is 0000.00a0.7100 (bia 0000.00a0.7100)
Configured speed auto, actual 100Mbit, configured duplex fdx, actual fdx
Configured mdi mode AUTO, actual MDI
Member of L2 VLAN ID 2, port is untagged, port state is FORWARDING
BPDU guard is Enabled
, ROOT protect is Disabled
STP configured to ON, priority is level0, flow control enabled
mirror disabled, monitor disabled
Not member of any active trunks
Not member of any configured trunks
No port name
Mac-notification is Enabled
IPG MII 96 bits-time, IPG GMII 96 bits-time
IP MTU 1500 bytes
300 second input rate: 8 bits/sec, 0 packets/sec, 0.00% utilization
300 second output rate: 256 bits/sec, 0 packets/sec, 0.00% utilization
88 packets input, 15256 bytes, 0 no buffer
Received 75 broadcasts, 13 multicasts, 0 unicasts
1 input errors, 0 CRC, 0 frame, 0 ignored
0 runts, 0 giants
4799 packets output, 313268 bytes, 0 underruns
Transmitted 90 broadcasts, 4709