Reference Guide

Spanning Tree 313
Global Settings
To enable STP and select the STP mode on the device:
1
Click Switching > Spanning Tree > Global Settings in the tree view to
display the
Global Settings page.
The currently-defined settings are displayed.
2 Enter the fields:
–
Spanning Tree State — Enable Spanning Tree on the device.
–
STP Operation Mode — Select the STP mode enabled on the device.
The possible options are:
•
Classic STP — Enables Classic STP on the device.
•
Rapid STP — Enables Rapid STP on the device. This is the
default value.
•
Multiple STP — Enables Multiple STP on the device.
–
BPDU Handling — Select how Bridge Protocol Data Unit (BPDU)
packets are managed when STP is disabled on the port/device. BPDUs
are used to transmit spanning tree information. The possible options
are:
•
Filtering — Filter BPDU packets when spanning tree is disabled
on an interface.
•
Flooding — Flood BPDU packets when spanning tree is disabled
on an interface.
–
Path Cost Default Values — Select the method used to assign default
path costs to STP ports. The possible options are:
•
Short — Specifies 1 through 65,535 range for port path costs.
•
Long — Specifies 1 through 200,000,000 range for port path
costs.