Zhone 2000 ユーザーガイド

This report is available when ATM PVC Encapsulation Type RFC 1483 is 
selected, an IP address is assigned and IP Header Compression is enabled on 
the ATM Interface. 

Tx Discarded

No. of discarded transmitting cells due to:
-Could not allocation internal cell buffer
-Cells Overflow (the internal queue for storing the cell 
reaches it maximum size)
-Connection is not established/closed
-Transmitting frame is empty
-size of frame is larger than the PDU size.

Tx OverFlow

Transmitted Cells Overflow. The internal SAR 
transmitting queue for storing the cell reached its 
maximum size (64), so it can not hold more outgoing 
cell).

Tx UnderFlow

Out of cells for transmit. Internal cell buffer could not 
be allocated for transmitting cells.

Tx Inactive

Discarded Transmitted Cells because the connection is 
not established | disconnected | closed.

Rx Inactive

Discarded Received Cells because connection not 
established | disconnected | closed.

CRC 32 Errors The size

AAL5 only. CRC-32 header checksum in is wrong.

Reassembly Timeouts

No. of SAR reassembly timeouts. Frames could not be 
reassembling and discarded.

Frames too Long

Frame size is larger than the max. size of PDU.

Missed TCP contexts

No. of times search didn't find a TCP stream.

Missed RTP context

No. of times search didn't find an RTP stream.

Compressed TCP packets 
sent

No. of compressed TCP packets sent.

Compressed UDP packets 
Sent

No. of compressed UDP packets sent.

Compressed RTP packets 
Sent

No. of compressed RTP packets sent.

FULL_HEADER packets 
Sent

No. of FULL_HEADER packets sent.

CONTEXT_STATE packets 
sent

No. of CONTEXT TATE packets sent.

Compressed TCP packets 
received

No. of compressed TCP packets received.