On Nov 9, 2009, Masataka Ohta wrote: > Anyway, checksum of ICMP error generated against ICMP echo must > still be changed, and the error packet may (though does not usually > have to) be fragmented. Sure, applications that use address referrals don't work well through NAT; we mentioned this earlier. ICMP is one of these "applications". - Christian _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf