And, to follow up on my own posting (sigh), RFC 3235 and 3027 are Informational... we have no STD, and no BCP, that come up when you search for NAT or Network Address Translator, so... perhaps there is no community consensus document that says what the community consensus appears to be, and the best thing to do is to Google "NAT end-to-end" and leave the result as an exercise for the reader? Sigh. Spencer > Yeah, but this was the point. Where is the community consensus > document that says all this? > > Spencer >