Zhone 2000 ユーザーガイド

To display the PVC Statistics Reports, type “A” on the Interface Statistics 

menu as shown in Figure 5.5. This option is displayed only when ATM is 
selected as the data link protocol.
The reports below are available, depending on the specification of the PVC:

This PVC Report displays when an AAL2/LES PVC is configured.

Rx Discarded Frames

No. of discarded received frames due to:
- Received Frames are larger than size of PDU
- Received Frames Headers are smaller than the 
standard HDLC header size.
- Validity of address bits settings in HDLC header is 
incorrect.
- Checksum Field value in header is incorrect.
- The received DLCI number does not match the DLCI 
connections on the IAD.

Rx FECN

No. of FECN = 1 frames received.

Rx BECN

No. of BECN = 1 frames received.

Rx DE

No. of DE = 1 frame received

Rx Excess Rate

No. of frames received within excess info rate

Rx Committed Rate

No. of frames received within committed info rate

Tx Frames

No. of frames transmitted.

Tx Bytes

No. of data transmitted in bytes.

Tx Discarded Frame

No. of discarded received frames due to:
- Transmitted Frames are larger than the size of the 
PDU
- Packets overflow.

Tx FECN

No. of FECN = 1 frames transmitted.

Tx BECN

No. of BECN = 1 frames transmitted.

Tx DE

No. of DE = 1 frame transmitted

Tx Excess

No. of frames transmitted within excess info rate

Tx Committed

No. of frames transmitted within committed info rate

Transmit overflows

Discarded packets due to the internal queue reached it 
maximum size.

Receive STF parity errors 

No. of STF (Start Field) parity error received.