# UplinkFast

Device > Monitor > Spanning Tree > UplinkFast

From this dialog box, you can monitor the UplinkFast transitions recorded on this device.

To view the definition for a particular MIB variable, click the appropriate link from the following list:

- UplinkFast Transitions (stpxUplinkFastTransitions)

- Station Learning Frames (stpxUplinkStationLearningFrames)

The following list specifies buttons in this dialog box, as well as their function:

- To specify the refresh rate for this dialog box, select a value from the drop-down box.

- Click Start/Stop to begin/end device monitoring.

> Note: The Start/Stop toggle feature is supported by CiscoView 5.3 and later.

- Click Cancel to close the dialog box.

- Click Print to print the contents of the dialog box.

- Click Help to access online help.

UplinkFast Transitions (stpxUplinkFastTransitions)

Cumulative number of UplinkFast transitions recorded on the device. An UplinkFast transition goes directly from the STP Blocking state to the STP Forwarding state.

Station Learning Frames (stpxUplinkStationLearningFrames)

Cumulative number of station-learning frames generated on the device due to UplinkFast transitions.