This generally occurs far enough down the stream that it's only a matter of bopping a clueless senior netop on the head. Nothing upstream is going to block arbi

This generally occurs far enough down the stream that it's only a matter of bopping a clueless senior netop on the head. Nothing upstream is going to block arbitrary packet types. Could you imagine if backbone peers were dropping packets like that? The internet "routes around the damage" and this would be an application of that. At the social level, it would involve people within an org saying "fix this".