From owner-freebsd-net Mon Apr 2 8:13:21 2001 Delivered-To: freebsd-net@freebsd.org Received: from spider.pilosoft.com (p55-222.acedsl.com [160.79.55.222]) by hub.freebsd.org (Postfix) with ESMTP id 9DC1A37B718 for ; Mon, 2 Apr 2001 08:13:18 -0700 (PDT) (envelope-from alex@pilosoft.com) Received: from localhost (alexmail@localhost) by spider.pilosoft.com (8.9.3/8.9.3) with ESMTP id LAA13157; Mon, 2 Apr 2001 11:19:09 -0400 (EDT) Date: Mon, 2 Apr 2001 11:19:09 -0400 (EDT) From: Alex Pilosov To: Brett Glass Cc: freebsd-net@FreeBSD.ORG Subject: Re: Transition from modem PPP to PPPoE In-Reply-To: <4.3.2.7.2.20010401192033.044a6390@localhost> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, 1 Apr 2001, Brett Glass wrote: > >I'm hacking on a 'magic box' solution, which will essentially listen for > >ARP packets from box A to box B, reply with its own MAC, and then forward > >ethernet packets back onto the same wire, rewriting the MACs > >appropriately. > > Sort of like static NAT. I was thinking of giving the machine a reserved > address and doing static NAT for it, in and out of the same interface. NAT without rewriting IP headers. Better called "bridge with proxy-arp". > Only problem with this is that the box at the far end is doing NAT for > the machines behind it, too. So we'd get two layers of NAT. Slooooow. Not really. When you are not rewriting packets, what's to slow you down? And by requirements, packets from A to B _do_ have to go through central site. -alex To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message