Situation: Two sites each connected to the internet through a Cisco 3600 router (12.3) and each site has with multiple systems running public IPs. A single VPN IPSec connection connects the two routers through the internet.
Need to set up the part of the routing that (ACL?):
1) takes traffic destine for the other site and invisibly reroutes it through the VPN.
2) lets all other traffic goes its merry way into the internet