From owner-freebsd-net Wed Jan 17 7:12:10 2001 Delivered-To: freebsd-net@freebsd.org Received: from atro.pine.nl (atro.pine.nl [213.156.0.2]) by hub.freebsd.org (Postfix) with ESMTP id A5B2937B400 for ; Wed, 17 Jan 2001 07:11:52 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by atro.pine.nl (8.11.1/8.11.1) with ESMTP id f0HFBma03403; Wed, 17 Jan 2001 16:11:49 +0100 (MET) Date: Wed, 17 Jan 2001 16:11:48 +0100 (MET) From: Mark Lastdrager To: Peter Brezny Cc: Subject: Re: Redundant connections from separate isp's possible? In-Reply-To: <001701c080ae$3d1931a0$46010a0a@sysadmininc.com> Message-ID: X-NCC-RegID: nl.pine MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org At Wed, 17 Jan 2001, owner-freebsd-net@FreeBSD.ORG wrote: >We're a small web hosting company wanting to have multiple routes from >separate isp's coming into the webservers from the outside so that if one >connection goes down, the other connection can still reach the servers. > >Can this be done? Is this possible with freebsd as the router? Are there >better options from cisco et. al.? > >I searched the -net mail list archives and found a lot about load balancing >multiple servers so one didn't get overloaded, but that's not our problem. >We want multiple load balanced connections from the internet into the same >server/network. > >Can this be done with separate isp's? or am I asking for trouble? we >currently have a single t1 and are looking at a 2.5 mbit DSL line to >augment/backup the t1. of course a different provider means a different >network range allocated to us. And here is where things get fuzzy for me. >What do i tell internic?...ns1 -->network range 1, ns2 -->network range 2 >and have the name server hold an IP from each isp's network range? You'll need at least two ISP's, your own IP addresses, an ASN and lots of clue ;-) See http://www.netaxs.com/~freedman/bgp/bgp.html for more info about BGP4. This can be done using FreeBSD and zebra (/usr/ports/net/zebra). Mark Lastdrager -- Pine Internet BV :: tel. +31-70-3111010 :: fax. +31-70-3111011 PGP 92BB81D1 fingerprint 0059 7D7B C02B 38D2 A853 2785 8C87 3AF1 Today's excuse: Domain controler not responding To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message