> The assumption in my question is that if the legacy (broken?) gear in > question all uses 10/8 *and* we publish a document that declares a > particular (presently unused by said gear) block of 1918 address space > is henceforth off limits to use in equipment that can't translate when > addresses are identical on the outside and the inside, then the use of > that 1918 address space might be "safe" for CGNs to use. might require a cpe change. about the same change as for the cpe to recognize new/10 as non-public. randy _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf