Anyone notice strange announcements for

kris foster kris.foster at
Wed Jan 14 11:00:47 UTC 2009

On Jan 14, 2009, at 2:50 AM, Tim Franklin wrote:

> On Tue, January 13, 2009 8:57 pm, Joe Abley wrote:
>> The fact that I choose to stick 701 in an AS_PATH attribute on a
>> prefix I advertise in order to stop that prefix from propagating into
>> 701 is entirely my own business, and it's a practice which, although
>> apparently not commonplace, has been a well-known part of the IDTE
>> toolbox for many years.
> For whatever reason, technical, political, or pure whim, I don't  
> want AS Y
> to receive any of my announcements.
> What's the correct tool to do this?

Exactly the method Randy used.

> Do we need a set of well-known communities XXXXX:AS that can be  
> recognised
> everywhere as "do not announce to AS"?

Communities are optional transitive attributes. No one is required to  
act on well-known communities.


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