Strange practices?

sjk sjk at
Mon Jun 7 21:00:50 UTC 2010

Hve seen it a few times -- usually with enterprise customers who are
unable to manage their own routers and one ISP which has problems
configuring BGP on their client facing equipment.

Dale Cornman wrote:
> Has anyone ever heard of a multi-homed enterprise not running bgp with
> either of 2 providers, but instead, each provider statically routes a block
> to their common customer and also each originates this block in BGP?   One
> of the ISP's in this case owns the block and has even provided a letter of
> authorization to the other, allowing them to announce it in BGP as well.
>   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.
> Thanks
> -Bill

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