Our office currently uses a 768K DSL connection for Internet access. This connection is behind a PIX506. We just had a new Point-to-Point T1 installed to a different ISP. We want to use both connections to the internet (the DSL connection will just be used by our dept. going forward). Do we need to buy a seperate firewall for each connection, or can we simply put the new T1 into a 1600 on the outside of the PIX, and then run both the DSL and T1 connections into a switch, and then into the PIX?