Help? Possible to have 2 routers wired and have 4 SSID's

[Duhme]

I'm not good with anything more than basic networking. They would be fairly close together, The devices don't have to see each other but it doesn't matter if they do. Could I just run an ethernet cable to the second ones using a static IP set to DMZ? Seems this shouldn't create a double nat issue but I've read that it does. I have a RT-AX86 Pro and a RT-68U. I'm thinking it would cause more channels to be open for higher bandwidth devices. Or is this what bridge mode is for - thinking it wouldn't work that way because of different available security settings between the 2 and I can't afford another router right now. One of the problems is that I have to use mac filtering. I know that isn't to much added security but every time I've disabled it I've ended up with a illegal download notice within a month (tried multiple times over the last 20 years at this address). Whoever is hacking my network can get the passwords but not the macs, although I don't understand that either. They are both using stock firmware.

 

[Tech9]

Seems like you just don't know what to do with your old router, but really want to use it somehow. You don't need to do any of the above. It's just unnecessary complication for no good reason with chances to make your Wi-Fi worse. Recycle the old router.

 

[Duhme]

Seems like you just don't know what to do with your old router, but really want to use it somehow. You don't need to do any of the above. It's just unnecessary complication for no good reason with chances to make your Wi-Fi worse. Recycle the old router.

Yes and no. The old router worked great, and the new one almost as good- speaking of the range. At times there are up to 8 TV's streaming, along with 2 gaming consoles and 1-3 laptop/PCs, not to mention the phones..... The whole access points people talk about for larger houses seems weird to me. We're able to stream a TV more than 200 yards into a metal garage with no external antennas. I have good signal on my phone on 2.4 band at 600 yards inside a wood/brick building. Probably going to stream to 2 more TV's there and I'm worried I need more channels open for a steady stream. I'm probably just being lazy and just need to turn everything on and take a couple laptops over there and check download speeds or run a cable to the other side of the house and make a closer access point for some things, just not sure if access points use the same channel as the primary router. If it does it would still be pointless.
Edit: Just seems Like it's a lot to ask from 1 router. It runs very hot as it is. But I have a poor understanding of how wi-fi routers control all the different connections.

Edit 2: I need to learn to think thru the problem. Btw, another problem is the number of mac addresses that can be added, but the end result is I just need to put a switch before the routers and set them up independently, and go ahead and run a cat cable to the second one on the other end of the house. Probably the reason I get such good range is I'm on the edge of a small rural town. I only see 7 other available networks on any band.

 

[Tech9]

You already asked similar questions here:

Curious Wifi question

Probably a question I'll catch flack about, but is it possible to use 2 asus routers (RT-AX86U pro and RT-AC68Uv2) connected by cat to double network SSID's? I've used the ac68u before just to increase my ethernet connections and controlled it thru the AX86U. I had the wireless bands turned off...

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