Yes it is possible, you have to use at least on the router the IOS feature set, if you want the firewall as well you need the IPSec and FW feature set. Anything on the 12.1 is a good start. For the VPN client you have to purchase the Cisco VPN client 1.1 that runs on windows 98. A sample config of what you are after is on:
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
Go to Help > About and check the current version:
Check the current version availa...
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...