D-Link DI-206 - Manual (Page 127)

DI-206 ISDN Remote Router
Configuration and Management 115
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Rx MPA Packets – Missed Packet. This is a count of packets
intended for the router, but at the time, the router could not receive
the packet (usually due to the temporary lack of receive buffers).
•
Rx DFR Packets – Deferred Packets. This is a count of incidents
where CRS (carrier signal lost) and COL both occur at the same
time. These two events happen simultaneously as a result of jabber
(produced by faulty networking equipment, usually NIC’s).
ISDN Counter Table
•
Tx Packets – The total number of valid packets transmitted by the
router since the last reset.
•
Tx Bytes – The total number of bytes transmitted by the router.
•
Tx Discard Packets – The number of packets dropped by the
router.