Earlier, Doug Barton wrote: > On 01/03/2012 11:02, Dan Wing wrote: > > If IPv6 hosts don't handle > > ICMP packet-too-big of less than 1280, those IPv4/IPv6 translators > > won't work with sub-1280 MTU IPv4 paths. > > ... and this is not a feature because? And no, don't quote the > robustness principle. The floor for MTU has been hard-coded since day 1, > so anyone who breaks that deserves what they get.
In fact, the MTU floor CHANGED from 576 to 1280 well AFTER day 1, as I noted in a separate note within the past day or so. (If it had not changed, then I likely would not have posted any notes in the past few days.) Separately, I'm old enough to believe in the robustness principle -- because Jon Postel's argument for it was (and remains) quite correct. Cheers, Ran -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
