Re: Who does source address validation? (was Re: what's that smell?)

[Danny McPherson]

>       Yes, but if i continue in my ideal situation of people
> (mostly) filter their bgp customers, so they won't announce the
> 1918 space, or similar.  even the large peers filter out each other
> so they don't pick up 1918 announcements.  Plus people use Robs 
> "Secure IOS Template" to drop extraneous bgp announcements for
> unregistered/unassigned space (from IANA).

What you're doing makes plenty of sense, we agree 
on that.  I just wanted to be sure folks understood 
it doesn't validate "valid" sources. 

-danny