I have 2 PIX connected via IPSEC. The 506 has an outside address of 10.x.x.x and its default route is a line of sight router on the same network. I conenct to the remote PIX using this method and can authenticate etc. Is there a way I can get the remote PIX to do some NAT so that the 506 is seen as a public address once it leaves the remote PIX it is conencted to?