From owner-freebsd-isp Thu Dec 20 7:20:49 2001 Delivered-To: freebsd-isp@freebsd.org Received: from white.netsurf.net (White.NetSurf.Net [206.186.135.4]) by hub.freebsd.org (Postfix) with ESMTP id F057637B417 for ; Thu, 20 Dec 2001 07:20:46 -0800 (PST) Received: from localhost (kadamski@localhost) by white.netsurf.net (8.9.3/8.9.3/Debian 8.9.3-21) with ESMTP id KAA08240; Thu, 20 Dec 2001 10:20:41 -0500 Date: Thu, 20 Dec 2001 10:20:40 -0500 (EST) From: Krzysztof Adamski To: Phil Taylor Cc: portmaster-users@portmasters.com, freebsd-isp@freebsd.org Subject: RE: (PM) Infrastructure Design with Portmasters and FreeBSD/Zebra (long) In-Reply-To: <6F8544E9B883D21192170000E215549F20FE90@ns1.lansystems.co.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, 20 Dec 2001, Phil Taylor wrote: > Among other things Krzysztof Adamski wrote: > > > > Don't get me wrong, I use RFC1918 addresses in my network, > > for instance > > the two DNS server IPs that are hard coded in my customer > > setups (where > > needed) are from RFC1918. This way when I renumber I will not need to > > change this. > > > > One caveat on this. I got caught-out when I did this as I had a number of > customers who couldn't access my dns servers when they were connected to a > LAN cause they were using the same RFC1918 addresses for their local > network..... > > Just a thought, if you do this I would recommend that you pick a fairly > obscure 192.168 address, not 10.x.x.x as the default subnet mask gives you a > better chance of not using the same subnet as customers local networks, do > NOT pick 10.0.0.x for example as everyone with MS SBS will suffer :-> I use 172.20.5.3/16 as one DNS server. I should have used 172.19/16 this range instead. Very few people use the 172.16-172.31 range anyways, so this is fairly safe. K To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message