North American Network Operators Group
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Re: selective auto-aggregation
- From: william
- Date: Thu Apr 17 18:32:31 2003
I do it. Reasons are to control inbound traffic better, some routes are
annnounced to all upstreams, some are to some specific ones, some have
different communities tagged to them, etc. I have one block which is /19
which I do not announce and only announce multiple /23, /24 out of. It
works just fine - I'v not seen one place which does not route there...
> I was curious how much of the de-aggregation was due to multi-homed
> companies requiring the longer prefixes. Are there companies that
> actually announce their smaller routes despite controlling the shorter
> prefix? What would be the benefit of doing so?
>
> -Jack
>
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