North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Static routes in an AS vs BGP advertised routes
On Wed, 8 Aug 2001, Murphy, Brennan wrote: > Everything is going along smoothly until an asteroid crashes > into the data center of one of your ISPs in one of the cities. > It causes extensive damage and a certain amount of > hysteria but to you, it means that only one of your ISPs > can truly reach your full /19. That is, the /24 you were > advertising in that city is now only reachable via one > of the ISPs. But the ISP taken out by the asteroid is > still advertising the full /19. > > Under the circumstances (loss of life, hysteria, sub-optimal > routing), would it be appropriate to ask the unfortunate > ISP to create a static route on their network to push > traffic destined for that particular /24 over to the other > ISP's network? This way, the /19 advertisements can > be maintained and when traffic destined for that > one /24 reaches the asteroid ISP, it can get passed > over to the non-asteroid ISP. The route wouldnt be > advertised to other carriers.....just used to make sure > traffic reached the correct final destination. It's not only reasonable, but not uncommon. I've never heard of an ISP that's had an astoroid take out a POP refuse to make these accomodations. Frankly, though, I'd try to replace them with a provider that pays a little more attention to celestial traffic patterns. James Smallacombe PlantageNet, Inc. CEO and Janitor [email protected] http://3.am =========================================================================
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