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Date: Fri, 21 Jul 2000 16:23:25 -0400
From: Mike <mike@rockatronic.com>
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To: Danny McQuade <dmcquade@techie.com>,
	"FreeBSD-Questions@FreeBSD.ORG" <freebsd-questions@freebsd.org>
Subject: Re: DSL + NAT Probs
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Add MTU 1492 (or whatever value your DSL provider uses for it's PPPoE
to your FreeBSD boxes.  Win98 etc. require MTU values in the
registry.  See www.speedguide.net for them.  Check your ppp/ppp.conf
for the mtu value you are using on the DSL connected machine; that's
the value you must use on the other machines on your LAN.

HTH,

Mike
  
Danny McQuade wrote:
> 
> Hi. I recently got Bell Atlantic Infospeed DSL service installed in my home
> and I got PPPoE working great under FreeBSD 4.0. From the FreeBSD machine
> it's self, PPPoE is flawless and I can take full advantage of the DSL line.
> Before this I was using NAT with a dial-up connection, and that worked great
> for connecting the other machines on my home LAN to the internet. Now,
> however, I am finding some real problems with connecting to the internet
> from a machine other than the FreeBSD box directly connected to the DSL
> modem. It seems that I can connect to a number of random hosts/network
> services. For example, the only websites I was able to connect to from my
> internal FreeBSD box were www.rootshell.com & www.earthlink.net. The other
> sites I tried would either be uncontactable, or netscape would just sit
> there displaying 'Transfering data' in the status bar.
> I seem to be able to connect to any machine's SMTP server without trouble.
> This problem is really driving me nuts, because I first I thought there was
> a bandwidth problem on the NAT server, but while exploring the rootshell
> site I was able to download and view very large text files at DSL speeds. As
> I said, I am running FreeBSD 4.0-RELEASE on the NAT server, using PPPoE to
> connect via the DSL modem. I have set 'gateway_enable' to YES in rc.conf,
> and I have enabled an 'open' firewall as well. Any suggestions regarding
> this matter would be highly appreciated. Thank you in advance.
> 
> Danny McQuade
> dmcquade@techie.com
> 
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