I got a new router to replace our aging one, which just can’t handle the amount of traffic we sometimes have these days… but god, I do not want to have to port my existing network setup over. 😫
I actually got two new routers, one wired and one wireless, with the goal of splitting the two into their own subnets, before realizing that I don’t know if the Xfinity modem/router will let me hook both up to it while it is in dumb “pass through” mode. I can always daisy-chain them, but that sorta defeats the point — at that point I may as well replace one of the routers with a dumb switch or wireless access point.
At least it isn’t like my setup is complex. The home net uses 10.10.10.x because it’s easy to remember, and I have a couple dozen fixed IPs assigned via DNS. If I use two routers I’ll probably have one be 10.10.10.x and the other 10.10.1.x or something. My IP routing knowledge is awfully rusty, though, so hopefully it’ll be easy to make sure the two subnets can talk to each other.
@gregly It might be intimidating the first time you do it but it's not that bad in reality - although I've been doing this sort of network thing for 30 odd years.
Main bits are:
Each internal router set on it's own IPv4 network, but the WAN port connects to the edge router so it has an IP on that network and set it's default route to the edge router's IP.
On the edge router, add a default route for the new subnet pointing to the internal routers IP on the edge network.
@gregly My home network is a bit complex as I have multiple internal routers, one for the office and one just for WiFi - with the edge router connecting them to common core servers and the net.
I've also got it so each network has it's own IPv6 /64 network as well as IPv4
@peter yeah, that might be a problem though: the edge router is currently Xfinity’s own modem/router set to dumb passthrough mode, because I’d rather not have them spying on/controlling my home setup. So I’m not sure if I’ll have the ability to manually set default routes on their router. (Or, hell, use more than one of its four LAN ports for that matter.)
@gregly Ah, if it's in dumb mode then it's just acting as a modem to their network.
So in theory you would just set up your new router as if you were connecting it to them directly and it it's WAN IP would be the one they present to it.
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