802.1D
Menu: Configuring 802.1D STP
1.From the Main Menu, select:
2.Switch Configuration …
4.Spanning Tree Operation
Use this field to select the 802.1D version of STP.
Figure2.Press [E] (for Edit) to highlight the Protocol Version field. In the default configuration this field is set to RSTP.
3.Press the Space bar once to change the field to STP. This changes the Protocol Version selection to the 802.1D Spanning Tree Protocol.
4.Press [v] to highlight the STP Enabled field.
5.Press the Space bar to select Yes. (Yes in this field means to enable