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SubjectDouble data on FTP w/1.3.72
ELF 1.3.72
ppp-2.2.0.e

tcpdump of FTP from ddi to picard looks like double ack's and data:

08:27:49.398936 ddi.digital.net.20 > picard.csihq.com.1978: P 1821737942:1821738
438(496) ack 1027979234 win 25296 (DF)
08:27:49.398936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 496 win 13072
08:27:49.398936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 496 win 13072
08:27:49.538936 ddi.digital.net.20 > picard.csihq.com.1978: . 4294966800:0(496)
ack 1 win 25296 (DF)
08:27:49.538936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 496 win 13072
08:27:49.628936 ddi.digital.net.20 > picard.csihq.com.1978: . 4294966800:0(496)
ack 1 win 25296 (DF)
08:27:49.628936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 496 win 13072
08:27:49.728936 ddi.digital.net.20 > picard.csihq.com.1978: . 4294966800:0(496)
ack 1 win 25296 (DF)
08:27:49.728936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 496 win 13072
08:27:49.858936 ddi.digital.net.20 > picard.csihq.com.1978: . 0:496(496) ack 1 w
in 25296 (DF)
08:27:49.858936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 496 win 13072
08:27:50.038936 ddi.digital.net.20 > picard.csihq.com.1978: . 496:992(496) ack 1
win 25296 (DF)
08:27:50.038936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 992 win 13072
08:27:50.038936 picard.csihq.com.1978 > ddi.digital.net.20: . ack 992 win 13072
08:27:50.218936 ddi.digital.net.20 > picard.csihq.com.1978: P 992:1488(496) ack
1 win 25296 (DF)

The result of this is that throughput drops in half. I stopped and
restarted the ppp session with no change. I also tried rebooting with no
change. Any ideas anybody?
-
/----------------------------------------------------------\
| Mike Black mblack@csihq.com 407-676-5118, x203 |
| Computer Science Innovations, Inc. 407-676-2355 FAX |
| Melbourne FL 32904-2314 http://www.csihq.com |
\----------------------------------------------------------/



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