Slow modem connection on FC1

[John Klingler]

So, am I to take no response to mean that not a single person on this list has anything to offer? No one knows of any guides or how-to's or anything that offers any suggestions besides play with your mtu or get irqtune?

John Klingler
  ----- Original Message ----- 
  From: John Klingler 
  To: fedora-list at redhat.com 
  Sent: Tuesday, February 10, 2004 3:52 PM
  Subject: Slow modem connection on FC1


  I'm relatively new to admining Linux, but I've used it for quite some time. I'm trying to set up a simple dial-up/firewall machine for my home network using FC1. I've actually got everything working thanks to all the how-to's and archives, but I'm stumped by the extremely slow transfer rates under a standard analog dial-up. As an example, under Windows (through connection sharing from an internal machine) I can get irqtune-0.6-1.i386.rpm from rpmfind.net using command line ftp and get a transfer rate of 4.13 Kbps. Through my new Linux router, I get about 0.72 Kbps (from either an internal machine or the router itself). I've played with my MTU/MRU settings and 704 (which seems like it's in the right ballpark for dial-up) gives me my best transfer rate (listed above). Turning iptables off doesn't make any real difference. I tried irqtune and it boosts my connection a whopping 0.10bps. I don't have any other proxy/chache services running. Since Windows gets a fast connection, I'm assuming that I don't have a noisy phone line or some other outside-the-Linux-box problem. I'm fresh out of ideas and places to look. The system is a Pentium Pro 200, 64MB RAM, USR Sportster 56k external modem. I've included my pppd options file if it makes any difference. I'm probably just missing something stupid, but unfortunately, I'm missing it. Thanks in advance for your help.

  John Klingler
  klingweiser at hotmail.com
  "Searching for answers in Microsoft documentation is like looking for a needle in a haystack. Except
  the needle looks like a spoon and it was never in the haystack to begin with."
                                                                                               -Me
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