DOCA0106EN-14

Redundancy-RSTP Ports

Description

The REDUNDANCY-RSTP PORTS page displays the diagnostic data of RSTP ports.

The users with installer or engineer roles can change the Diagnostics page settings.

Navigation to the Redundancy-RSTP Ports Page

To view the REDUNDANCY-RSTP PORTS page, click DIAGNOSTICS > COMMUNICATION > REDUNDANCY-RSTP PORTS .

Port 1 and Port 2 Parameters

Parameter

Description

State

Current state of the port. By default, it is disabled, blocking, and forwarding.

NOTE: Other states like listening, learning are intermediate states which are not visible to the user.

Role

Current role of the port in the ring. If the port state is disabled, the role can be either Root or Designated. If the port state is disabled (Ethernet link is down) then the Role is Unknown.

Priority

The value of the port priority is contained in Port Identifier. All ports of a bridge will have a port identifier with format: [1 byte port number][1 byte port priority].

NOTE: The below points are provided for understanding the usage of port priority (port identifier).
  • Port that carries packets to root bridge is root port. When there are multiple such ports exist, one with least Port Identifier becomes the root port, and others will become alternate ports.

  • Port Number: Port number cannot be configured. In the device the port Number (interface number) for port-1 is 1 and port number for port-2 is 2.

Port Path Cost

The contribution of this port to the path cost of paths towards the Root bridge which includes this port.

Received RST (BPDUs)

Total number of RSTP BPDUs received by this port since the last reset counters.

Transmitted RST (BPDUs)

Total number of RSTP BPDUs transmitted by this port since the last reset counters.

Received TCN (BPDUs)

Total number of Topology Change BPDUs received by this port since the last reset counters.

Transmitted TCN (BPDUs)

Total number of Topology Change BPDUs transmitted by this port since the last reset counters.

Click Reset Counters to reset to 0 the statistics values.

If the EIFE interface is switched off or if it is reset due to a configuration change or another event, the statistics values are reset to 0.

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