Allied Telesis AT-S63 - Manual (Page 272)

Chapter 18: Spanning Tree and Rapid Spanning Tree Protocols
272 Section IV: Spanning Tree Protocols
Enabling or Disabling a Spanning Tree Protocol
To enable or disable spanning tree on the switch or to select the active
spanning tree protocol, perform the following procedure:
1. From the Home page, select Configuration.
2. From the Configuration menu, select the Layer 2 option.
3. Select the Spanning Tree tab.
The Spanning Tree tab is shown in Figure 109.
Figure 109. Spanning Tree Tab (Configuration)
4. To select a spanning tree version, from the Active Protocol Version
parameter click STP, RSTP, or MSTP. The default is RSTP.
Note
Only one spanning tree protocol can be active on the switch at a
time.
5. To enable or disable spanning tree, click the Enable Spanning Tree
check box. A check indicates that the feature is enabled while no
check indicates that the feature is disabled. The default is disabled.
6. Click Apply.
A change to the status of the spanning tree protocol is immediately
implemented on the switch.