> What's the current consensus on exempting private network space from > source address validation? Is it recommended? Discouraged? > > (One argument in favor of exceptions is that it makes PMTUD work if > transfer networks use private address space.)
and this is a good thing? rfc1918 packets are not supposed to reach the public internet. once you start accommodating their doing so, the downward slope gets pretty steep and does not end in a nice place. randy
