Date: Tue, 19 Apr 2005 12:50:51 -0500 From: Kevin Kinsey <kdk@daleco.biz> To: Ash <omniBSD@speakeasy.net> Cc: freebsd-questions@freebsd.org Subject: Re: gateway troubles Message-ID: <426544FB.60801@daleco.biz> In-Reply-To: <4265306A.7000207@speakeasy.net> References: <42652A3B.2080502@mail.ru> <4265306A.7000207@speakeasy.net>
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Ash wrote: > Alex wrote: > >> hi ! >> i have fbsd 5.3 router with gateway_enable="YES >>/etc/rc.conf >> and 3 interfaces: >> 1. xl0 (mynet) >> 2. rl0 >> 3. tun0 (internet) cuaa0 >> >> i need to get work router from mynet to rl0 net and internet . >> i want to do that without natd but net.inet.ip.forwarding=1 work >> only on one psihical interface :) i need to get work gateway >> between 3 interfaces . what i need to do ? > > > > In order to route traffic between your local network and the Internet > WITHOUT using NAT, then your ISP needs to assign a routeable public > subnet to you as well as at least one address on a segment shared > with one of their routers. Somehow, I get the feeling that this isn't > the case so probably will need to use NAT. > > FreeBSD gives you a few choices when it comes to building a > router/firewall > box. As always the handbook is the best place to start: > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/firewalls.html > > Incidentally, the handbook is available in multiple languages: > > http://www.freebsd.org/doc/ > I've left Ash's info in, since a pointer to the handbook is always a Good Thing(tm) in the best of FreeBSD's traditions... I notice your WAN link is tun0 ... are you using userland ppp(8)? Because ppp has a -nat switch and, AFAIK, it doesn't care where else on the box your packets are coming from. I use "ppp -nat -background myisp" to call ppp and everybody gets along fine ... except for the low bandwidth... :-( HTH, Kevin Kinsey
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