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Guest Wifi network stuck on old DNS configuration Orbi RBR750 in AP mode
Hello everyone, I'm running into a strange DNS issue on my Orbi setup and I'm hoping someone here can help. My setup: Main router: Freebox Pop (ISP router in France) Orbi RBR750 configured...
If you set a static IP address configuration for AP mode, you can set a specific or custom DNS address to use on the RBR while its in AP mode.
Static IP Address Configuration for AP Mode | NETGEAR Communities
While in AP mode any connected clients get DNS either from the custom DNS set on the RBR explicitly or if dynamically, will come from the host router up stream that is set there or automatic detected from the ISP. I believe any Guest Network side of things would also be automatic from the host router. Not sure if setting static and explicit DNS on the RBR in AP mode changes for the Guest Network side of the RBR.
If anything factory reset the RBR and setup from scratch with a ethernet PC and set up DNS there, then change to AP mode and test.
There may be a language issue. The screen show shows the Internet Port having Address IP external as 192.168.1.1. When in router mode, the default LAN IP address is 192.168.1.1
This is still unusual, as most routers seem to default to 192.168.1.1 for their LAN address. so I would expect to see the Freebox holding that IP for itself and assigning a different IP to the Orbi.
I have a suspicion that the problem is caused by the way the Orbi 750 handles Guest WiFi. Even when in AP mode, the Orbi uses DHCP to assign IP addresses to devices on the Guest WiFi network and I have a suspicion that the Orbi also handles DNS resolution for devices on the Guest WiFi network.
I just connected a phone to the Guest WiFi on an Orbi 750 and the phone was assigned IP address 192.168.2.10
The only way I see to confirm this hypothesis is to connect something to the Guest WiFi that can capture the actual DHCP conversation between device and router. (That will take me a bit of time.)