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Forum Discussion
jasperx
Nov 18, 2019Tutor
Best Option with equipment in hand to build a network that isolates the iOT devices. RBR50
My setup is working well but it is not secure enough to support using it for a home business. My existing equipment is the RBK 53 setup in AP mode hooked to a Pace 5286 AC Router/Modem that brings i...
FURRYe38
Nov 18, 2019Guru - Experienced User
You may run into NAT problems in that configuration:
https://kb.netgear.com/30186/What-is-Double-NAT
http://computer.howstuffworks.com/nat.htm
http://www.practicallynetworked.com/networking/fixing_double_nat.htm
http://www.dslreports.com/shownews/Networking-101-The-DMZ-137550
Also having that many wifi sources running near by may make wireless surroundings noise and be problematic sometimes. If you can keep channesl far appart between two systems, this can work. I.e Orbi system 1 would need to be on channel 1 on 2.4Ghz and 36 on 5ghz. Orbi system #2 would need to be on channel 11 on 2.4ghz and 48 on 5Ghz.
Placement will be key as well. 30 feet is recommended in between RBR and RBS to begin with depending upon building materials when wirelessly connected.
jasperx
Nov 18, 2019Tutor
I was aware of NAT behind NAT issues for some setups but had gotten steered in this direction by a post that you can see at this link DSLReports . The thing that was different in this NAT behind NAT from what I have seen before is that there are 3 networks.
The first network is created by the modem/router 192.168.1.xx
to which each Orbi 1 occupies 192.168.1.100 and Orbi 2 occupies 192.168.1.101. Nothing else connects to 192.168.1.xx.
Orbi 1 is connected to the modem/router with cable to it's WAN port... same with Orbi 2. The Orbi 1 in turn creates a new network with the range of 192.168.2.xx and the Orbi 2 creates 192.168.3.xx. There is no overlap of IP addresses being issued by the routers... three totally separate networks.
The post that recommends this setup is widely referenced in the forum and no challenge to the NAT behind NAT approach is mentioned at DSLReports. That does not make it right but it looked credible enough for me to give the idea more consideration. I may head back over there and ask for a little more detail on how the setup avoids the NAT behind NAT issue.
Interference issues with the setup are helped by:
1). Orbi sats are much more than 30' from each other and more than 30' from the Orbi routers. The sats are not on the same floors of the building with the routers which would be located in the attic.
2). The two Orbi bases (routers) potentially are close to each other and close to the Pace modem router. The plan here would be that the Pace modem/router would have wifi turned off and the connection to the Orbi routers would be cat 6.
3). My diagram shows setting one Orbi router to Chan 1 and the other Orbi router to Chan 11. Thank you for adding in the 2.4 GH channel suggestions 36 and 48. If a problem showed up due to proximity of the two Orbi routers the plan will be to simply turn off the wifi on the second Orbi. A wifi connecton on the business network is nice but not necessary. In this setup, I could probably save some money and just use a router that has no wifi.