HP X.25/9000 User's Guide HP-UX 11i v3 (5900-1523, August 2011)

The output under the heading “STATISTICS FOR WAN” is explained in the table below:
Table 24 Statistics for WAN output
Description/MeaningOutput on Screen
Shows the number of times a transmission was aborted
because the next octets to be transmitted were not provided
soon enough for the level 2 firmware
transmit underruns
Shows often-received octets were overwritten because they
were not processed by the card
receive overruns
No message available in level 1 to copy received data toreceived frames with no buffer
Never usedreceived frames with no flow control
Number of frames that were “too long”receive buffer overflows
Number of frames that have been abortedreceive aborts
88 Diagnostic utilities