You might find this recent System Administrators article very interesting..
http://www.samag.com/documents/s=1824/sam0201h/0201h.htm It's titled "Redundant Internet Connections Using Linux" ----- Original Message ----- From: "David Bishop" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, March 06, 2002 10:40 PM Subject: redundant office of redundancy > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Howdy! As you can tell from my subject line, I am interested today in making > sure that I can always surf por^W^Wserve webpages. My business (consulting & > small-time webhosting) is dependent on my always having an internet > connection. Currently, I have a fairly stable dsl line that serves my needs, > but some stupid redback issues on my isp's side have made me wary. I figure > the chances of both a dsl line and cable going out at the same time are > fairly small, and throwing $50 a month at the problem is acceptable. Now, as > I'm planning on doing this, it begs the question(s): 1) how to aggregate the > bandwidth of both pipes into one, transparently (I will be using two > computers as well, might as well do it right); 2) how do you go about setting > up "failover", such that if one of the machines drops out, the other takes > over dns/mail/web? > > I know some of you out there are about to exclaim "Get your isp to do this, > idiot!" Well, I'm large enough to seriously look at this, but small enough > (and geeky enough) that I'd really like to take care of it myself. I have a > decent background in setting up linux as a firewall/proxy/nat box, and a > basic understanding of "real" routing. Pointers, hints, tips, all are > welcomed gratefully. > > To sum up: currently, my setup is 2 machines hot to the 'net, the rest nat'ed > off, all using 1 dsl and a block of ips, all nat routing through 1 of the > machines. I would like to end up with dual-connections, bandwidth aggregated > through both the machines, and failover for high-priority services. > > Thanks! > > - -- > D.A.Bishop > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.6 (GNU/Linux) > Comment: For info see http://www.gnupg.org > > iD8DBQE8hozkEHLN/FXAbC0RAqILAJ4+m/vgTuCluGdDjP+zj9U24QxBQgCfdNTg > 4wcJpD5lrFxyV6B6kTfywh8= > =T1Ff > -----END PGP SIGNATURE----- > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]