Can you have multiple subnets on the outside of a Pix 515E with 6.3(3)? I have run out of addresses and adding a subnet would take much less configuration changes. I have a 2801 router with a T1 card with the Pix 515E behind it. If I just set up the routes for new public subnet on the 2801 and setup on the outside of the Pix the Nat and acls for the different subnet would it then be pingable etc.?