Allied Telesis AT-9000 Series - Manual (Page 654)

Chapter 44: RSTP Commands
626
SPANNING-TREE ERRDISABLE-TIMEOUT ENABLE
Syntax
spanning-tree errdisable-timeout enable
Parameters
None
Mode
Global Configuration mode
Description
Use this command to activate the timer for the RSTP BPDU guard feature.
The BPDU guard feature prevents unnecessary RSTP domain
convergences by disabling edge ports if they receive BPDUs. When the
timer is activated, the switch will automatically reactivate disabled ports.
The time interval that ports remain disabled is set with “SPANNING-TREE
ERRDISABLE-TIMEOUT INTERVAL” on page 627.
Confirmation Command
“SHOW RUNNING-CONFIG” on page 130
Example
This example activates the timer for the RSTP BPDU guard feature:
awplus> enable
awplus# configure terminal
awplus(config)# spanning-tree errdisable-timeout enable