Graphing CIST Port statistics

Use this procedure to display CIST Port statistics

Procedure steps

  1. From the navigation tree, double-click VLAN.

  2. From the VLAN tree, double-click Spanning Tree.

  3. From the Spanning Tree folder, click MSTP.

  4. Select the CIST Port tab.

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

Variable definitions

The following table outlines the parameters of the CIST Port tab.

Table 1. CIST Port Graph dialog box parameters
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.