Hello, Lev.
You wrote 29 2012 ., 18:35:59:
LS> When I connect to external server twice, and run tcpdump in one
LS> session for another one, and then try to use second (sniffed) session
LS> for bulk transfer, I can clearly see, that server tries to send IPv6
LS> packets with size 1420 to my local network many times and doesn't
LS> get any answer, so it is MTU problem for sure, but how it could be fixed?
But
server# ping6 -D -s 1420 <host-after-tunnel-with-mtu-1280>
Works!
I don't understand, what happens here :(
--
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>