Strange practices?

Florian Weimer fw at deneb.enyo.de
Mon Jun 7 15:59:58 CDT 2010


* Dale Cornman:

> I had personally never heard of this and am curious if this is a
> common practice as well as if this would potentially create any
> problems by 2 Autonomous Systems both originating the same prefix.

The 6to4 anycast gateway RFC practically mandates this, and it does
work when you're doing anycast.  But with static routes, you cannot
handle some failure scenarious, and that usually a good reason to stay
away from such setups.  Of course, in the world of real routers, there
might be constraints such lack of memory or processing power to handle
BGP. 8-/




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