Allied Telesis AT-S63 - Manual (Page 232)

Chapter 15: Spanning Tree Protocol Commands
232 Section III: Spanning Tree Protocols
ACTIVATE STP
Syntax
activate stp
Parameters
None.
Description
This command designates STP as the active spanning tree on the stack.
You cannot enable STP or configure its parameters until you have
designated it as the active spanning tree with this command. Only one
spanning tree protocol, STP, RSTP, or MSTP, can be active on the stack
at a time.
Example
activate stp