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DES-7200 Configuration Guide Chapter 10 MSTP Configuration
10-36
10.4.4 Enabling
BPDU Guard
After BPDU Guard is enabled, a port will in the error-disabled status after
receiving the BPDU packet.
To configure the BPDU guard, execute the following commands in the global
configuration mode:
Command Function
DES-7200# configure terminal
Enter the global configuration mode.
DES-7200(config)# spanning-tree
portfast
Bpduguard default
Enable the BPDU Guard globally.
DES-7200(config)# interface
interface-id
Enter the interface configuration mode. A
legal interface contains a physical port and
an aggregate link.
DES-7200(config-if)# spanning-tree
portfast
Enable Port Fast on the interface before
the bpduguard configuration takes effect
globally.
DES-7200(config-if)# end
Return to the privileged EXEC mode.
DES-7200# show running-config
Verify the configuration.
DES-7200# copy running-config
startup-config
Save the configuration.
To disable BPDU Guard, execute the no spanning-tree portfast bpduguard
default command in the global configuration command.
To enable or disable BPDU Guard on an interface, execute the spanning-tree
bpduguard enable command or the spanning-tree bpduguard disable
command on the interface respectively.
10.4.5 Enabling
BPDU Filter
A port neither transmit nor receive the BPDU message after the BPDU filter is
enabled.
To configure the BPDU Filter, execute the following commands in the global
configuration mode:
Command Function
DES-7200# configure terminal
Enter the global configuration mode.