Though i havent tried like this one before i dont think it will either function properly or work at all.
Coz of the compatibility mismatch or conflict in negotiating the IKE and IPSEC parameters.
The built in compatibility between the vpn client and the cisco boxes during the negotiating stage where your encryption strength (transform set) gets checked up with the clients may not be available with other vendors as such..
it may be in different stage/phase with those boxes and also negotiation ways may differ..
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...