nanog mailing list archives

BCP38 exceptions for RFC1918 space


From: Florian Weimer <fw () deneb enyo de>
Date: Sun, 15 Aug 2010 18:14:41 +0200

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.)


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