Re: cable modems

[Mike Fedyk <mfedyk@matchmail.com>]

On Wed, May 09, 2001 at 10:35:18PM -0400, Edward Kear wrote:
> On Wed, May 09, 2001 at 06:22:43PM -0700, Mike Fedyk wrote:
> > On Wed, May 09, 2001 at 05:54:15PM -0400, Eric R Cheney wrote:
> > > 
> > > Hi all.  I recently got connected using cable modem and noticed that the
> > > download speed is terribly slow under linux.  I get good download
> > > speeds under Windows2000 but my linux connection is just terrible in 
> > > comparison.  Anyone know what the story is with linux and cable modems and
> > > any fixes?  Any ideas about how I might configure things to improve cable
> > > modem speed?
> > > 
> > I've noticed that speed from a friend's cable modem through linux is very
> > slow.  I haven't tried it without linux in the setup though...
> > 
> > Have you run tcpdump and checked if the packets are being fragmented?
> > 
> > I can ping every 1sec, and get variations up to 150ms (50ms avg) each sec.
> > 
> > Mike
> > 
> 
> Maybe its your setup or the network card drivers.  I've been running Debian
> (Woody) as a firewall to our roadrunner connection since the first week of
> December.  We often see download speeds in the 300-400 kBytes/s range.
> The box started out as a 486-66 and is now a Pent-133.  We use Dlink ISA cards
> with the ne driver and have a 10base2 LAN.
> 

I don't think so.  The _exact_ same machine with the _same_ config was on a
DSL at another location, and didn't have any of these problems.

I think it is really crapy service in that area.  I haven't done any tcpdump
tests though.

Mike