User's Manual

Table Of Contents
6 System Reporting and Diagnostics
52 APCD–NC006–A
6.3.2 Radio Statistics
To see radio statistics for the NCL1170, at the NCL1170> prompt, type
<radio statistics>. The statistics displayed are since the last reboot of the NCL1170.
Table 4 provides definitions for the statistics labels.
Information similar to the following example is displayed:
NCL1170> radio statistics
RADIO STATISTICS:
-------------------------------------------------------------------------
Transmitted : 1455
Tx Underflows : 0
Tx Overflows : 0
TX_RDY Error : 0
Rx Packets : 120106
Rx Underflows : 0
Rx Overflows : 0
MD_RDY Error : 0
Rx Data CRC Error : 1
ALF Header Chksum Error : 0
Rx MAC Header CRC Error : 0
Rx Invalid Data Length : 0
Broadcast Discards : 0
Rx Length Mismatch : 0
Tx Length Mismatch : 0
Missed Complete : 0
Missed Header : 0
Table 4 Radio Statistics
Label Description
Transmitted Number of packets sent.
Tx Blocks delayed Number of transmitted blocks delayed.
Rx Packets Number of packets received.
Rx Data CRC Error Number of received data CRC errors that occurred.
ALF Header Chksum Error Number of packets received with an invalid Air Link
Frame (ALF) header.
Rx MAC Header CRC Error Number of times packets were discarded because
headers were invalid.
Rx MAC Header CRC Fixed Number of times the MAC header CRC was fixed.
RX Invalid Data Length Number of packets received with an invalid length (that
is, greater than the maximum size).
NIC Failure Number of network interface card failures.
Broadcast Discards Number of broadcast packets that the NCL1170
received and discarded.
Transmit Timeouts Number of transmit timeouts due to the radio channel
being too busy or due to interference.