AT-9000 Switch Command Line User’s Guide
675
SPANNING-TREE PORTFAST BPDU-GUARD
Syntax
spanning-tree portfast bpdu-guard
Parameters
None
Mode
Port Interface mode
Description
Use this command to enable the BPDU guard feature so that the switch
monitors edge ports and disables them if they receive BPDU packets.
To disable an edge port that was disabled by the BPDU guard feature, use
the NO SPANNING-TREE PORTFAST BPDU-GUARD command. See
“NO SPANNING-TREE PORTFAST BPDU-GUARD” on page 696.
Confirmation Command
“SHOW SPANNING-TREE” on page 666
Example
This example enables the BPDU guard feature on port 4:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.4
awplus(config-if)# spanning-tree portfast bpdu-guard
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