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Re: IP failover/migration question.
Date: Sun, 11 Jun 2006 19:34:12 -0700 (PDT) From: ennova2005-nanog@...
[A] somewhat cleaner way to do this would be to advertize a less specific route from the DR location covering the more specific route of the primary location. If the primary route is withdrawn, voila .. traffic starts moving to the less specific route automatically without you having to scramble at the time of the outage to inject a new route.
This certainly is easier if it's flexible enough. (If one desires high splay across several locations, this approach is lacking.) The tough part then becomes internal application consistency. Eddy -- Everquick Internet - http://www.everquick.net/ A division of Brotsman & Dreger, Inc. - http://www.brotsman.com/ Bandwidth, consulting, e-commerce, hosting, and network building Phone: +1 785 865 5885 Lawrence and [inter]national Phone: +1 316 794 8922 Wichita ________________________________________________________________________ DO NOT send mail to the following addresses: firstname.lastname@example.org -*- email@example.com -*- firstname.lastname@example.org Sending mail to spambait addresses is a great way to get blocked. Ditto for broken OOO autoresponders and foolish AV software backscatter.