
The only disadvantage to it, though, is that it means we have two routers in between each computer and the Internet. This not only means two points of failure and two (very minor) latencies, it also makes certain kinds of port forwarding complex. Those are very minor concerns, and do not seem to come anywhere near outweighing the pros of this approach. But it feels like, if I were to start from scratch, I would never design a network with two stacked routers, so evolving to that is a bad idea. (What I would probably do is have a router which included the wireless and firewall functionality I want, but also had a T1 DSU/CSU. But since I can't put those functions all into one router, I have to have two stacked.)
So one thing I plan to do today is see if I have a long enough network cable, and if so, run it between the two router locations, so it'll all be ready when the T1 goes in. That way, once we know the T1 works, I can switch us to it immediately, hopefully. That'll get the majority of our stuff up and running. Later, I can go back and configure port forwarding on the T1 router to mirror the forwarding on the Linksys, so that requests from outside go to the right place (notably my HomeSeer system and my MUD development system which I access from outside).
But maybe one day I'll reconsider this and put some systems inside the T1 router but outside the wireless router. Or not. I'm torn on the subject.
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