Date: Wed, 12 May 1999 00:14:08 -0500 (EST) From: Alfred Perlstein <bright@rush.net> To: daniel B <danielb@pacex.net> Cc: freebsd-questions@FreeBSD.ORG Subject: RE: Multiple NICs in one subnet Message-ID: <Pine.BSF.3.96.990512001103.26546C-100000@cygnus.rush.net> In-Reply-To: <Pine.BSF.3.96.990511195954.23342E-100000@almazs.pacex.net>
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On Tue, 11 May 1999, daniel B wrote: > > Realy need help on this one; > > My network topology: > > [ DSL router ]---[ fbsd firewall ]-----[ DNS/SMTP/HTTP machine ] > ep1 ep0 > > I have a /27 subnet and am trying to install firewall for my network on a > seperate FreeBSD machine with two nics running 3.1. > . All nics configured correctly with their own IPs > . kernel configured for IPFIREWALL_VERBOSE > . /etc/rc.conf setup for fire wall & gateway_enable=YES > > Problem #1: I keep getting the following errors: > /frank routed[89]: ep1 (204.1.212.130/27) is > duplicated by ep0 (204.1.212.131/27) > > frank /kernel: arp: 204.1.212.156 is on ep0 but got reply from 00:20:4f:45 > on ep1 > > How do I force ep1 to pass packets from router to firewall > and ep0 from firewall to internal fbsd machine while having > everything on the same subnet? > Is it possible? > If not what do I need to change/modify for it to work? here's what i did: compile a kernel with bridging support (options BRIDGE), take off the IP from "ep1", put an ip on "ep0", enable bridge: sysctl -w net.link.ether.bridge=1 make sure the ep1 <-> DSL router is on a single cable, hook up "ep0" to a hub/switch with the rest of your network on it. note: ep1 shouldn't have an IP address -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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