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Forum Discussion
Orbi RBR50 - Solid Magenta - Not connecting to Modem
Hi All I have a Zyxel modem setup in VDSL bridge mode, with an RBR30 as my router. I followed the instructions here: https://kitz.co.uk/routers/zyxel_VMG8324-B10A_bridge.htm to set this up and i...
If the orbi is in access point mode, the mesh/roaming/satellites will all still function properly.
Its not typical to have the modem and the router in the same subnet (192.168.1.***) if they're in a proper passthrough/modem only/dmz mode. Thats why you can get conflicts.
You might have just been lucky or not had enough devices to cause conflicts.
so I'd try leaving the ISP gateway in router mode (disabe its wifi) and put the orbi in access point mode.
The range on the router is 192.168.1.2 to 192.168.1.254. The modem is 192.168.1.1, so should be no IP conflict as the router would never try to assign 192.168.1.1 to any other device. Worked like this for 2 years!
Then the other day, just stopped working. Nothing was changed by me, the internet just dropped out from the network even though the modem showed as connected.
Any conflict would appear to be on the 192.168.1.254 address, as the router (which has this address) is being assigned another address to remove the conflict (but it is not conflicting with the modem, as that is still accessible with 192.168.1.1).
So it worked for 2 years.
yay for you. but it still wasn't setup properly and is still a double nat.
And worse, its a double nat with both routers in the same subnet.
Its lucky it worked at all.
If you want to leave it as is, go ahead. But it isn't working.
So maybe a change to set it up properly is needed.
Why is it double NAT when the modem has all that functionality disabled? It is in bridge mode, which, by definition means that NAT is disabled on it!
The Zyxel (modem) is setup so that "LAN1" is connected to the WAN port on the ORBI. "LAN 4" is then connected to the LAN side of the ORBI. On the Zyxel, LAN1 is then segregated from the rest of the ports, so the modem basically has a LAN side (LAN 2 - 4) and a WAN side (LAN 1).
The reason for having the modem (LAN side) on the same subnet is to allow me to access it via the network to check on line stats etc.
This is a tried and tested setup, used by many others with no issues, not just me. Yay.
Or... the Orbi is trying to force itself back to 192.168.1.1 (default I believe) and creating the conflict with the modem which is on that IP - then jumping to some random other value.
When I have time, I think I will try a full reset of the ORBI and set it all up again. If that doesn't work, then I may have to resort to re-configuring the modem (back to being the router) and the ORBI as the AP. Will need to check the Zyxel supports everything I was using on the Orbi (VPN, dynamic DNS updates etc.)