I have a customer that requires a secure DES IPSec site-to-site VPN tunnel between a Cisco PIX 506 firewall at one location and a Microsoft ISA Server 2000 at another. Before I attempted it, I wanted to see if anyone else out there had done so and if there were any "gotchas". Also, if there are any special configurations that will be required, these will be helpful also. I have searched the forum archives without luck.
If this is not possible, is the alternative to setup a client-to-site tunnel with the Cisco VPN Unity client?
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...