On Wed, 2017-01-11 at 14:59 -0500, Sowmini Varadhan wrote: > I think the RFC states somewhere that you should never ever > send out a v4 mapped address on the wire.
Can you point the exact RFC ? https://tools.ietf.org/html/rfc2765 seems to allow just that. Jonathan issue is about terminating such flows in TCP stack, which is likely not needed/useful.
