In message <[email protected]>, Brian E Carpenter writes: > On 26/06/2013 11:23, Randy Bush wrote: > ... > > > ron is actually deploying ipv6 in enterprises to see what his customers > > are seeing, eating his own dogfood. he did not field this draft for his > > amusement or to get his name on an rfc. > > The only times I've seen hard FAILs with apparently operational IPv6 > sites were caused by MTU mismatch and TCP MSS negotiation failure, > followed by silence which I assumed was due to fragmented packets > being discarded. Yes, this is a real problem and doing nothing > certainly isn't an option. We just need to be sure that the cure > isn't worse than the illness.
Named uses IPV6_USE_MIN_MTU=1 to avoid this. It should affect MSS negotiation but MacOS and FreeBSD are broken (bug fix submitted for FreeBSD). Mark > Brian > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > [email protected] > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: [email protected] -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
