From owner-freebsd-questions Sun Jun 11 23:37:37 2000 Delivered-To: freebsd-questions@freebsd.org Received: from mail.rdc1.tn.home.com (ha1.rdc1.tn.home.com [24.2.7.66]) by hub.freebsd.org (Postfix) with ESMTP id 7265937BAD1 for ; Sun, 11 Jun 2000 23:37:33 -0700 (PDT) (envelope-from williamsl@home.com) Received: from RELIABLE ([24.4.115.31]) by mail.rdc1.tn.home.com (InterMail vM.4.01.02.00 201-229-116) with ESMTP id <20000612063732.GSXF25427.mail.rdc1.tn.home.com@RELIABLE>; Sun, 11 Jun 2000 23:37:32 -0700 Date: Mon, 12 Jun 2000 02:35:35 -0400 From: Ben Williams X-Mailer: The Bat! (v1.39) Personal Organization: Williams Enterprises X-Priority: 3 (Normal) Message-ID: <7108.000612@home.com> To: "Crist J. Clark" Cc: freebsd-questions@freebsd.org Subject: Re[2]: UPGRADE 2.2.8 to 4.0R In-reply-To: <20000611230401.C16019@dialin-client.earthlink.net> References: <20000611230401.C16019@dialin-client.earthlink.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Thank you for that insight Christ. The number of toothpicks holding my eyes open is growing at an alarming rate and I think I'll let that be the last silliness I let myself send to the list tonight. (In light of your thoughts I agree that at best I chose the wrong terminology in my query. More (thought out) questions tomorrow.) --Ben Williams mailto:received@email dot com Quoting Crist J. Clark Monday, June 12, 2000 > On Mon, Jun 12, 2000 at 01:36:57AM -0400, Ben Williams wrote: > [snip] >> Along these lines I'd like to ask if a "triple-homed routing >> bridge" (i.e. 3 NIC's, 2 of which are connected to ISP's and one to >> the "internal" LAN) is conceivable or even feasable. If I have my >> terminology right a "bridge" connects multiple networks with >> optionally (preferably for me) a firewall in place that does not >> decrement the TTL of a packet since none of the NIC's on the bridge >> have IP's. Would a FreeBSD 3.4R box be capable of this kind of setup? > Bridges are link layer devices. Firewalling on a bridge is kind of an > odd notion. A bridge really should not need to know anything about IP > or whatever the layer three protocol might be, and we ususally think > of firewalling at that layer. Of course, we can still do such a thing, > but FreeBSD support for a bridge-firewall has a few issues. > As for what "tripled-homed" means in this context is beyond me. I've > never really picked up what people really mean by multi-homed; they > seem to toss it about for a lot of different situations, especially > when you realize that you wouldn't be using multiple IP addresses. > Now how to bridge between two IPs... That really baffles me. A bridge > can be thought of as making the three physical LANs into one logical > LAN. Now making the two ISP's LANs into one... Will they approve? >> This is -almost- the networking question I asked several days ago >> but I didn't get much input then .. hope to hear from you soon! > Well, that's mine without more detail. But remember I'm no networking > expert. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message