Graphing CIST Port statistics

The CIST Port Stats tab shows CIST Port statistics.

To open the CIST Port Stats tab for graphing:

Procedure steps


Step Action

1

From the Device Manager menu bar, choose VLAN > Spanning Tree > MSTP.

The MSTP dialog box appears with the Globals tab displayed.

2

Click the CIST Port tab.

The CIST Port tab appears.

3

Select a port and click Graph to get the statistics for the CIST Port.

The following table describes the fields that are displayed in the CIST Port Stats tab.


--End--

Variable definitions

Variable Value
ForwardTransitions The number of times this port transitioned to the Forwarding State.
RxMstBpduCount The number of MST BPDUs received on this port.
RxRstBpduCount The number of RST BPDUs received on this port.
RxConfigBpduCount The number of Configuration BPDUs received on this port.
RxTcnBpduCount The number of TCN BPDUs received on this port.
TxMstBpduCount The number of MST BPDUs transmitted from this port.
TxRstBpduCount The number of RST BPDUs transmitted from this port.
TxConfigBpduCount The number of Configuration BPDUs transmitted from this port.
TxTcnBpduCount The number of TCN BPDUs transmitted from this port.
InvalidMstBpduRxCount The number of Invalid MST BPDUs received on this port.
InvalidRstBpduRxCount The number of Invalid RST BPDUs received on this port.
InvalidConfigBpdu
RxCount
The number of Invalid Configuration BPDUs received on this port.
InvalidTcnBpduRxCount The number of Invalid TCN BPDUs received on this port.
ProtocolMigrationCount The number of times this port migrated from one STP protocol version to another. The relevant migration protocols are STP-COMPATIBLE and RSTP/MSTP. A trap is generated when the port migrates.