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TCP/IP Configuration Default Gateway For this lesson, we take a closer more intimate look at the Default Gateway and how that process works. This is where the computer goes to get out of a network, it's the gatekeeper between the where the computing system lives and the external network environment it's trying to reach. To help you understand what that looks like and how this transaction take place, we'll diagram a network with several different paths to explain how that process flow works and why multiple pathways are needed. You'll also learn what the Default Gateway can be any address on the network and why more than one Default Gateway is a good security best practice.