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Configuring Switch Information 241
Spanning Tree Global Settings Page
The Spanning Tree Global Parameters page contains the following fields:
• Spanning Tree State—Enables STP on the device. The possible field values are:
– Enable—Enables STP on the device.
– Disable—Disables STP on the device.
• STP Operation Mode—Indicates the STP mode by which STP is enabled on the
device. The possible field values are:
– Classic STP—Enables Classic STP on the device (IEEE 802.1D).
– Rapid STP—Enables Rapid STP is enabled on the device (IEEE 802.1w). For
more information on Rapid STP, see "Configuring Rapid Spanning Tree".
• Priority (0-65535)—Specifies the bridge priority value. When switches or bridges are
running STP, each is assigned a priority. After exchanging BPDUs, the switch with the
lowest priority value becomes the Root Bridge. The default value is 32768. The port
priority value is incremented in multiples of 16; for example, 16, 32, 64, 80, and so on.
• Hello Time (1-10)—Specifies the switch Hello Time. The Hello Time indicates the
amount of time in seconds a root bridge waits between configuration messages. The
default is 2 seconds.