Frame Relay Statistics

Invalid frames received

The number of invalid frames received on this line. An invalid frame is one that does not conform to frame relay specifications.

Too short

The number of frames received that were under five bytes. This indicates either that the peer is sending short frames or that frames are being truncated in transit.

Too long

The number of frames received that were longer than the configured maximum. This indicates that the peer is sending long frames.

Invalid DLCI

The number of frames received with DLCIs outside the valid range. (16 to 991). If you receive these consistently, see your network service provider.

Unknown DLCI

The number of frames received with DLCIs that do not appear in the adapter configuration. If you receive these consistently, see your network service provider to ensure that you are using the correct DLCIs.

FECN

The number of forward explicit congestion notification (FECN) messages received. Use this statistic as an indication of network congestion.

BECN

The number of backward explicit congestion notification (BECN) messages received on this line. Use this statistic as an indication of network congestion.

Status message

The number of LMI status messages transmitted and received. Typically, The adapter receives status messages from the network switch. It will transmit them only if it is configured to perform the LMI switch function.

Status enquiry

The number of LMI status enquiry transmitted and received. Typically, the adapter transmits status inquiry messages. The adapter will receive them only if it is configured to perform the LMI switch function.

Update status

The number of update (full) status messages transmitted and received. Typically, the adapter receives Update status message. The adapter transmits them only if it is configured to perform the LMI switch function.

LMI Errors

The number of LMI protocol errors on this line.