Greetings.

I have finally got my Linux box connected to our ISP and basically working doing 
masquerading amongst other things.  Not through problems, just lack of time on my 
part.  (Or on my hands.)

Slackware Linux 3.4, kernel 2.0.33 (compiled with IP_MASQUERADING etc. etc.), um, pppd 
2.2.0 etc.  The rest is a standard Slackware 3.4 distribution.  Running on a 
486DX4/100 16M RAM, 38400 modem.  During tests the CPU was idle about 97% (according 
to vmstat).  The client is a Windows 95 pc with the Linux box configured as the 
default gateway and dns.  Eventually about 8 PCs will be connected to the internet via 
the Linux box, internet usage is not huge tho.

DNS works fine.
pppd works fine.
Email works fine.
ftp works fine (provided I load the appropriate module :)
http (using Netscape and Internet Explorer) works fine ... but ... after a while, 
usually around 15 or 20 minutes, loading web pages will slow to a crawl.  At first 
response is fine, the modem lights flash and there is lots of receiving.  But after 
this there is no activity.  Occasionally the send light flashes.  Minutes pass, then 
the receive light flashes a couple of times.  According to Netscape transfer speed is 
something like 9 bytes/sec, that's just before the transfer stalls.  At the same time 
tho, other things like ftp, traceroute, pings, emails still seem to work fine.

MTU is 1500, ftp transfers of megabyte files happens very quickly and very smoothly.

Any ideas about what might be going wrong and/or what I can do to fix it are more than 
welcome.

tia

Dave
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