Planet Technology WGSW-2620P - Manual (Page 69)

Misc Configuration interface
3.4.8 Protocol Related Configuration
You can configure Spanning Tree Protocol, SNMP, LACP, IGMP/GVRP, and 802.1x in Protocol Relate
Configuration section.
Protocol Relate Configuration interface
3.4.8.1 STP
Spanning tree is a link management protocol that provides path redundancy while preventing undesirable