MultiPort/LT User Reference
Page 67
MultiPort/LT Gateway Code Commands
3.3.3.3. s - Channel Statistics
The s command prints statistics for the interface selected by the previous "a",
"b", "c" or "d" command.
3.3.3.3.1.
LocalTalk Channel
The statistics are:
recvd
Bytes and Packets received
xmtqd
Bytes and Packets queued for transmission
recv errs:
These are subdivided into:
crc
CRC or Framing error on received packet
overrun
SCC buffer overrun by incoming data
notend
No valid closing flag
oddbits
Packet not integral number of bytes
short
Packet shorter than 3 bytes
long
Packet longer than maximum allowed (586)
nobuf
No buffers available for received packet
badlap
LAP packet length or type wrong
strayrts
Data packet failed to arrive
missrts
Received data packet, but missed preceding RTS
xmt errs:
collsn
No response to our RTS
defers
Deferred transmitting due to packet on LocalTalk
idleto
Timed-out waiting for LocalTalk to become idle
aborts
Transmit failed to complete - aborted
xdefers
Excess Defers, packet dropped
xcollsn
Excess collisions, packet dropped
wrterrs
Failed to send packet (usually xcollsn)
dma errs:
DMA Controller error
Note that "collsn" and "defers" are not errors, and are to be expected on a
LocalTalk network. A "defer" simply means that there was a packet detected on
the LocalTalk when the MultiPort/LT tried to transmit a packet, and the
transmission was deferred till later. A "collsn" is logged if an RTS packet
wasn't acknowledged within 200uS. When sending a long stream of data
packets to a slow Macintosh (Mac Plus and SE), it is normal for the Mac to still