AT-9000 Switch Command Line User’s Guide
Section VI: Spanning Tree Protocols 553
SPANNING-TREE PORTFAST BPDU-GUARD
Syntax
spanning-tree portfast bpdu-guard
Parameters
None.
Mode
Global Configuration 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 enable an edge port that was disabled by the BPDU guard
feature, use the NO SHUTDOWN command. For instructions, refer
to “NO SHUTDOWN” on page 181. If a port is still receiving BPDUs,
the switch will disable it again unless you disconnect the network
cable.
Confirmation Command
“SHOW RUNNING-CONFIG” on page 132
Example
awplus> enable
awplus# configure terminal
awplus(config)# spanning-tree portfast bpdu-guard
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