Allied Telesis AT-S63 - Manual (Page 281)

AT-S63 Management Software Web Browser User’s Guide
Section IV: Spanning Tree Protocols 281
5. Click Configure.
The Configure STP Parameters tab is shown in Figure 110 on page
275.
6. Click Defaults.
The STP settings are returned to their default values.
7. To permanently save your changes, select the Save Config option in
the Configuration menu.