From owner-freebsd-isp Fri Nov 13 15:39:49 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA21003 for freebsd-isp-outgoing; Fri, 13 Nov 1998 15:39:49 -0800 (PST) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from freesbee.t.dk (freesbee.t.dk [193.163.159.72]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id PAA20996 for ; Fri, 13 Nov 1998 15:39:45 -0800 (PST) (envelope-from jesper@freesbee.t.dk) Received: (qmail 29164 invoked by uid 1001); 13 Nov 1998 23:39:23 -0000 Date: Sat, 14 Nov 1998 00:39:23 +0100 From: Jesper Skriver To: User MAT Cc: Leif Neland , freebsd-isp@FreeBSD.ORG Subject: Re: two routers back to back: Do they need real ip-adresses? Message-ID: <19981114003922.D28029@skriver.dk> References: <19981113235216.A28029@skriver.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.94.15i In-Reply-To: ; from User MAT on Fri, Nov 13, 1998 at 11:31:12PM -0500 Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > Here in Denmark the national school backbone is running RFC1918 > > addresses on it's routers, no problem, as long as all hosts that need > > Internet connectivity uses real addresses ... > > > > I also know that several larger US NSP's use RFC1918 in their backbones > > I know and it drives me nuts. They don't block the private router > info and packets, this causes confusion on some of my machines. > Furthermore, there's no co-ordianation of use of private IPs so that two > ISPs could use the same private IP their routers and have a traceroute > report an same IP for a hop twice, doesn't that seem wrong? It makes debug'ing more difficult, but it has it's advantages also, but I also prefer to use assigned addresses, and this is what Tele Danmark has chosen in it's backbone. But it could solve Leif's problem, if Telia had accepted it, and they didn't he told me offline. /Jesper -- Jesper Skriver (JS4261-RIPE), Network manager Tele Danmark DataNet, IP section (AS3292) One Unix to rule them all, One Resolver to find them, One IP to bring them all and in the zone to bind them. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message