Thank you very much for the reply. The reason is, we have a tunnel running to one of our client sites and due to internet conjestion and/or some routing issues between SPs there is a lot of packet loss happening and the end users are suffering with their appliations. But I assume the packet loss should be taken care by TCP Layer between the hosts.
I am not really sure if tunnel over TCP makes sense but just wanted to check.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...