I have two internet providers. The first ISP is connected to a router that we do not manage. It is managed by our primary software provider we use it for email retrieval and to connect to a system provided by them all computers using their system need authenticated IP's. We have a second ISP that we use for general internet usage and by employees who do not need to access the system that ISP 1 provides. The second ISP is connected to a Sonicwall router that we use to manage and monitor internet usage. My question is how can I utilize the features on the Sonicwall with the users connected to the router provided by ISP 1? One idea I had is to assign the Sonicwall and authenticated IP address for ISP1 have all users use the Sonicwall as their gateway and have a static route to ISP1. Question that I have is do I need to have different subnets?