> If you have provided addressing from your aggregate to your customer and > they have indicated that they are multi-homing, you need to preserve their > prefix-length in your outbound advertisements, or the redundant provider > carries the inbound traffic. Is this also frowned on? To me, this is the > multihoming tax we all pay for. > > Paul > > Someone multihoming below you on PA space is a pretty special case (part of why I said generally above actually), but definately one I would consider valid as for passing the announcements through from their AS.
-Blake