Linux V2.1.90+ patches Networking.

Richard B. Johnson (root@chaos.analogic.com)
Wed, 25 Mar 1998 20:36:50 -0500 (EST)


Dave,
While attempting to improve the throughput of my ppp link, I discovered
a new problem (Van Jacobson is turned off).

If the MRU and MTU is set to 592, ftp data will never be transferred.

Active Internet connections
Proto Recv-Q Send-Q Local Address Foreign Address (State) User
tcp 0 0 chaos.analogic.com:ftp groveland.analogi:1050 ESTABLISHED root
tcp 0 49088 chaos.analogi:ftp-data groveland.analogi:1053 ESTABLISHED root
tcp 0 2 chaos.analogic.c:login groveland.analogi:1023 ESTABLISHED root
Active UNIX domain sockets
Proto RefCnt Flags Type State Path

There is a high send-Q and absolutely nothing, no probes, no nothing
comes down the ppp link. Further, I don't see anything having to do with
port 1053 going from chaos->quark (ppp server). Everything is dead quiet.

Cheers,
Dick Johnson
***** FILE SYSTEM MODIFIED *****
Penguin : Linux version 2.1.90 on an i586 machine (66.15 BogoMips).
Warning : It's hard to remain at the trailing edge of technology.

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