Figure 7-16. STP Global Settings
•Spanning Tree State — Enables or disables Spanning Tree on the device. The possible field values are:
–Enable — Enables Spanning Tree
–Disable — Disables Spanning Tree
•STP Operation Mode — The STP mode by which STP is enabled on the device. The possible field values are:
–Classic STP — Enables Classic STP on the device. This is the default value.
–Rapid STP — Enables Rapid STP on the device.
•BPDU Handling — Determines how BPDU packets are managed when STP is disabled on the port/ device. BPDUs are used to transmit spanning tree information. The possible field values are:
–Filtering — Filters BPDU packets when spanning tree is disabled on an interface.
–Flooding — Floods BPDU packets when spanning tree is disabled on an interface. This is the default value.
•Port Cost Default Values — Determines the Spanning Tree default path cost method. The possible field values are:
–Short — Specifies 1 through 65535 range for port path costs. This is the default value.
–Long — Specifies 1 through 200000000 range for port path costs.