Upstream BGP community support

Randy Bush randy at
Sun Nov 1 00:25:34 UTC 2009

while i can understand folk's wanting to signal upstream using
communities, and i know it's all the rage.  one issue needs to be

bgp is a brilliant information hiding protocol.  policy is horribly
opaque.  complexity abounds.  and it has unfun consequences, e.g. see
tim on wedgies etc.

and this just adds to the complexity and opacity.

so i ain't sayin' don't do it.  after all, who would deny you the
ability to show off your bgp macho?  

just try to minimize its use to only when you *really* need it.


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