Allied Telesis AT-S63 - Manual (Page 184)

Chapter 12: Spanning Tree and Rapid Spanning Tree Protocols
184 Section IV: Spanning Tree Protocols
Enabling or Disabling a Spanning Tree Protocol
To enable or disable a spanning tree protocol on the switch or to select the
active spanning tree protocol:
1. From the Home page, click the Configuration button.
2. From the Configuration menu, click the Layer 2 button.
3. Select the Spanning Tree tab, shown in Figure 70.
Figure 70. Spanning Tree Tab
4. To select a spanning tree protocol for the stack, click the STP or RSTP
radio button for the Active Protocol Version parameter. The default is
RSTP.
Caution
Do not select Multiple Spanning Tree Protocol (MSTP). MSTP is not
supported in a stack.
Note
A stack can support only one spanning tree protocol at a time.
5. To enable or disable the spanning tree protocol on the stack, 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.