From owner-freebsd-questions  Wed Oct 17 10:51:19 2001
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Date: Wed, 17 Oct 2001 12:51:07 -0500
To: questions@FreeBSD.ORG, Weldon S Godfrey 3 <weldon@excelsus.com>
From: Joshua Holland <josh@bitstream.net>
Subject: Re: ftp hogging bandwidth
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I think they were ftp-ing through our box to an off site location.

>I assuming that someone is ftping to a ftp server that is also your
>nat/firewall box?
>
>One really cheezy way would be this:
>
>Have 2 nics on your server
>
>1 nic has the IP address for ftp.  In DNS you can make that IP be whatever
>you want (ftp.localhost, ftp.biststeam.net, etc)
>
>the other nic is doing the rest of your internal lan stuff
>
>and since you are doing nat, you might have a 3rd nic for WAN.
>
>
>if you don't have a 100Mb shared hub, or want to lower the ftp bandwidth
>further for some reason, you could force the dedicated ftp nic to 10Mb
>
>
>
>
>On Wed, 17 Oct 2001, Joshua Holland wrote:
>
>>  Hello,
>>
>>  I help administer a FreeBSD machine that runs nat, dhcpd, mail and
>>  web servers for an organization with about 75 desktop clients.  They
>>  have a 256k fractional T1.  We have noticed the machine bogging down
>>  sometimes (people complaining of extremely slow web page loading, and
>>  when I ssh in, very slow response).  Top shows less than 1% of CPU
>>  being used.  This last time, it seems someone was ftp-ing a 100MB
>>  file, and when they terminated the transfer, everything was fast
>>  again.  Is there anyway to prevent one client or process from hogging
>>  all that bandwidth?
>>
>>  Joshua Holland.
>>
>>
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