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Forum Discussion
Dave1Wetzel
Aug 28, 2025Aspirant
Separate network access
How do I configure my RBE770 so I can use one of the ethernet ports to run a line to a rental unit I have in the backyard - and so that renters using that will have internet access but not be able to see all my network devices.
(note: unfortunately providing them guest access via wifi is not an option).
I have the ethernet in place but you can see the printers, network drives, PCs, etc that are in the house from the rental unit. I would like to provide internet access but not provide access to my entire network.
Can the 770 do that or do I need another device?
Thanks
5 Replies
- CrimpOnGuru - Experienced User
The RBRE770 is designed to have one primary network (both WiFi and 'wired') which is in one IP subnet. No method to segregate devices.
What ISP is the 770 connected to? If it is also a 'router', then the 770 can be connected to one port and the rental unit to another port.
- CrimpOnGuru - Experienced User
It might be a good idea to document expectations. i.e.
- The obvious way to split service between (a) the house, and (b) the rental unit is to place a router ahead of the RBE771 with one port feeding the house and another port running to the rental unit where another WiFi router or WiFi access point is installed.
- This creates what is known as a "Double NAT", which has serious implications for specific applications, such as certain types of internet gaming, sharing files on the internet, providing access to your local network from the internet, (and some other. Internet search will provide examples.)
- If either you (the "house") or the rental unit require the ability to use those applications, then the obvious solution is not suitable.
- Dave1WetzelAspirant
Here is a diagram of what I have right now.
I see an idea on putting another router between the cable modem and the 771...
I'm paying for a fast speed from comcast working from home so I worry that may slow down the network... and yes, my daughter is into gaming... :(
I was hoping I could set a configuration in the 771 or the EAP610-outdoor from TP-link or maybe even put something between the 771 and the TP-Link. - plemansGuru - Experienced User
Is it a long term rental? If so, I'd recommend doing it right. Its a bit more expensive.
You'd want to get a business class router that can do vlan's. You'd set the house on on and the rental on the other.
then pickup a decent point to point system and go from the primary (business class) router to the rental with the point to point system (or just run an ethernet line).
then simply setup a different non-orbi access point in the rental. or just use the tplink and use it indoors.
You could pickup a used edge router x (older tech) for cheap that'd function as a business class router. Connect the point to point system (check amazon) for the guest, and then connect the orbi to it (but put the orbi in AP mode).
A bit of cost but would give you a solid connection for the rental if they're a long term rental.
- CrimpOnGuru - Experienced User
Thanks for the diagram. Both Firewalla and pfSense sell appliances for under $500 which can be placed between the RBE771 and the TP-Link to prevent the rental unit from accessing the RBE771 networks.
https://www.netgate.com/appliances
This has the advantage of avoiding Double NAT for the Orbi network. It does, however, definitely create a Double (or maybe Triple) NAT for the rental unit. OK for 95% of users, but a definite limitation for those specific applications. If the rental unit requires complete network access, the only solution is to have the ISP install separate service to the rental unit.