View VLAN and Spanning Tree CIST Statistics

About this task

View CIST port statistics to manage network performance.

Procedure

  1. In the navigation pane, expand Configuration > VLAN > Spanning Tree.
  2. Select MSTP.
  3. Select the CIST Port tab.
  4. Select a port, and then select Graph.

CIST Field Descriptions

The following table describes parameters on the CIST tab.

Name

Descriptions

ForwardTransitions

Specifies the number of times this port has transitioned to the forwarding state.

RxMstBpduCount

Specifies the number of MSTP BPDUs received on this port.

RxRstBpduCount

Specifies the number of RSTP BPDUs received on this port.

RxConfigBpduCount

Specifies the number of configuration BPDUs received on this port.

RxTcnBpduCount

Specifies the number of TCN BPDUs received on this port.

TxMstBpduCount

Specifies the number of MSTP BPDUs transmitted from this port.

TxRstBpduCount

Specifies the number of RSTP BPDUs transmitted from this port.

TxConfigBpduCount

Specifies the number of configuration BPDUs transmitted from this port.

TxTcnBpduCount

Specifies the number of TCN BPDUs transmitted from this port.

InvalidMstBpduRxCount

Specifies the number of Invalid MSTP BPDUs received on this port.

InvalidRstBpduRxCount

Specifies the number of Invalid RSTP BPDUs received on this port.

InvalidConfigBpduRxCount

Specifies the number of invalid configuration BPDUs received on this port.

InvalidTcnBpduRxCount

Specifies the number of invalid TCN BPDUs received on this port. The number of times this port has migrated from one STP protocol version to another. The relevant protocols are STP-compatible and RSTP/MSTP. A trap is generated on the occurrence of this event.

ProtocolMigrationCount

Specifies the number of times this port has migrated from one STP protocol version to another. The relevant protocols are STP-compatible and RSTP. A trap is generated on the occurrence of this event.