D-Link DGS-3308TG User Manual page 184

8-port Gigabit Ethernet Switch User's Guide
Priority:[0..65535] – Device priority used in selecting the root device, root port, and designated port. The device
with the highest priority becomes the STP root device. The lower the numeric value, the higher the priority. If all
devices have the same priority, the device with the lowest MAC address will become the root device.
Port Member – Check the ports you want to be member of the STP group.
STP Group Configuration - Edit
The following window is used to configure Spanning Tree Protocol (STP) for a group on the Switch.
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