This is very strange the config looks fine - but I have attached for fresh pair of eyes. The network that won't come up is 184.108.40.206 from the remote end. Peer is 220.127.116.11 for illustrative purposes.
I also have the strange situation where sometime both tunnels are up but I cannot ping anything on the remote end via one of the tunnels.
I'm not sure if there is a fault with this or something.
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...