Date: Fri, 11 Feb 2000 21:22:53 +0000 From: Brian Somers <brian@Awfulhak.org> To: "Fisch, Eric" <efisch@kpmg.com> Cc: freebsd-net@FreeBSD.org, brian@hak.lan.Awfulhak.org Subject: Re: PPP Gateway Routing Problem Message-ID: <200002112122.VAA00392@hak.lan.Awfulhak.org> In-Reply-To: Message from "Fisch, Eric" <efisch@kpmg.com> of "Tue, 08 Feb 2000 10:58:28 EST." <8389C74A65EFD111B03800805FA7658F06C04882@USDALEXC01>
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> I am having what appears to be a routing problem with a PPP gateway and am
> hoping someone can shed some light on the issue. I have a small network of
> windows/UNIX systems behind a FreeBSD gateway box. The gateway box is
> providing DNS and DHCP services to the other systems without any problem. I
> have tried to set up the gateway box to do PPP-on-demand for the entire
> network with limited success. PPP works flawlessly on the gateway box.
> When I am on the "inside", however, I get nothing. I am able to connect to
> the gateway, but no further. Interestingly enough, when I "ping" a system
> from the inside box, I get proper name resolution, but "Host is Unreachable"
> errors as well. This leads me to believe that I have a routing issue from
> the gateway to the inside boxes. I think I am missing something in my
> rc.conf settings. Heck, if I had any clue what was wrong I would not be
> posting.
[.....]
> gateway_enable="YES"
Aww, that was my first suggestion !
Your best bet is probably to run tcpdump on your internal interface
to ensure the packets are getting that far. If they're not, you need
to add a default route to your dhcpd config.
If packets are getting that far, enable tcp/ip logging in ppp and see
if the packets are getting that far - proving that you're acting as a
gateway. If the packets get that far, enable physical logging to
ensure that they're being written to the link.
Any eye-openers ?
--
Brian <brian@Awfulhak.org> <brian@FreeBSD.org>
<http://www.Awfulhak.org>; <brian@OpenBSD.org>
Don't _EVER_ lose your sense of humour ! <brian@FreeBSD.org.uk>
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