The following table outlines the parameters of the CIST Port tab.
| Variable | Value |
|---|---|
| ForwardTransitions | Displays the number of times this port transitioned to the Forwarding State. |
| RxMstBpduCount | Displays the number of MST BPDUs received on this port. |
| RxRstBpduCount | Displays the number of RST BPDUs received on this port. |
| RxConfigBpduCount | Displays the number of Configuration BPDUs received on this port. |
| RxTcnBpduCount | Displays the number of TCN BPDUs received on this port. |
| TxMstBpduCount | Displays the number of MST BPDUs transmitted from this port. |
| TxRstBpduCount | Displays the number of RST BPDUs transmitted from this port. |
| TxConfigBpduCount | Displays the number of Configuration BPDUs transmitted from this port. |
| TxTcnBpduCount | Displays the number of TCN BPDUs transmitted from this port. |
| InvalidMstBpduRxCount | Displays the number of Invalid MST BPDUs received on this port. |
| InvalidRstBpduRxCount | Displays the number of Invalid RST BPDUs received on this port. |
| InvalidConfigBpdu RxCount | Displays the number of Invalid Configuration BPDUs received on this port. |
| InvalidTcnBpduRxCount | Displays the number of Invalid TCN BPDUs received on this port. |
| ProtocolMigrationCount | Displays the number of times this port has 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. |