Allied Telesis AT-DC2552XS - Manual (Page 360)

Chapter 14: STP Commands
360 Section II: Layer 2 Switching
SPANNING-TREE ENABLE
Syntax
spanning-tree stp|rstp|mstp enable
Parameters
stp
Enables STP (IEEE 802.1D).
rstp
Enables RSTP (IEEE 802.1w). By default, RSTP is enabled on the
switch.
mstp
Enables MSTP (IEEE 802.1s).
Mode
Global Configuration mode
Description
Use this command to enable one of the Spanning Tree Protocol versions:
STP, RSTP, or MSTP. When the version is specified on the switch using
the SPANNING-TREE MODE command, the switch enables the specified
STP version.
The Spanning Tree Protocol and Router Redundancy Protocol (RRP)
Snooping cannot be enabled at the same time. Disable RRP when you
enable STP, RSTP, or MSTP on the switch.
To disable STP, RSTP, or MSTP, use the NO SPANNING ENABLE
command.
Confirmation Command
“SHOW RUNNING-CONFIG” on page 116 or “SHOW SPANNING-TREE”
on page 344
Examples
This example enables RSTP on the switch:
awplus> enable
awplus# configure terminal
awplus(config)# spanning-tree rstp enable