Access to 1.2.8 from 2.0.6
Hi, everyone.
I recently installed a Debian 1.1 system with the 2.0.6 kernel. I
couldn't have asked for a smoother install from a Windoze package, so
kudos to the development team! Had one glitch with Majordomo 1.93,
but that's another e-mail sometime :) Now, onto the real problem....
I am having problems accessing data (ie. mail, web, etc.) on the
Debian host from Mac/FreePPP and Win95 PPP clients of my preexisting
(prehistoric?) Slakware 1.2.8 host. Win31/Trumpet clients work just fine
(MTU576/MSS536). For example, I can establish PPP from a Win95 client
into the Slakware box, TELNET into the Debian box, type 'ls /tmp', and get a
file listing (not much stuff). However, if I transfer more data (ie.'ls
/etc' or
'w'), the output hangs. I cannot retrieve web pages from the Slakware
server. Anything that appears to transfer much data back to the PPP client
(through the Debian host) hangs. All this *seems* to work fine going the
other way (PPP to Slakware then access Debian), but I haven't tested
enough to be sure (at 2am things get fuzzy). I suspect a MTU/MSS
problem.
The only odd thing I can see is a difference in the maximum segment
size on the Debian host from the Slakware. Slakware shows MTU of 576
and MSS of 512 for PPP devices, where Debian shows 576 for both. Same
for the ethernet device (1500MTU on both, 1436MSS on Slakware and
1500MSS on Debian). I used ifconfig to change the MSS on the eth0
device on Debian (didn't know how to do the same on PPP devices) and
recompiled the kernel to disable MTU path disocovery to no avail. I'm at
a loss, and hope someone on this list has already come across this. I can
send any configs or test results necessary to diagnosis. I'd sure appreciate
any insight out there on this!
Than
k you,
Mark
--------------------------------------------------------------------
Mark S Lane (mlane@3wave.com) |
3rd Wave Technologies |
Phone/FAX: (423) 652-6090 |
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