Allied Telesis AT-S60 - Manual (Page 146)

Chapter 13: STP Commands
144
Examples
The following command sets the switch’s bridge priority value to 45,056
(increment 11):
set stp priority=11
The following command sets the hello time to 7 seconds and the
forwarding delay to 25 seconds:
set stp hellotime=7 forwarddelay=25
The following command returns all STP parameters on the switch to the
default values:
set stp default