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Orbi RBK50 with Xfinity (Arris TG862G) modem/router
Hello All: I have an Orbi RBK50 mesh system (router & 1 satellite) to install with my Comcast Xfinity modem/router. From what I have read so far, I should enable bridge mode on the Xfinity as well as...
earoberts wrote:However, my brother-in-law - who swears by this system and actually talked with a tech at NetGear about this - tells me I definitely have to be on the phone with NetGear tech support before I do this.
You don't need to be on the phone with Netgear. You might need to talk to Comcast technical support if your modem has some temporary issues assigned an IP address to your new Orbi router (and its different MAC address). I called 800-COMCAST and used the phone menus to send a reset signal to my modem when I recently switched from my Orbi AC to Orbi AX router. When I first switched my Orbi RBR850 could not get an IP address but I don't know why nor why it eventually started working.
Here are Xfinity instructions for configuring bridge mode: https://www.xfinity.com/support/articles/wireless-gateway-enable-disable-bridge-mode. Enabling bridge mode will automatically disable the wireless radio on the modem because it's no longer a router and will no longer give out IP addresses.
If you can get the ISP modem bridged fully, you don't need to be on the phone with NG support to setup the Orbi system.
You can use the Orbi app or I prefer a wired PC and web browser connected to the RBRs web page.
You can refer to the installation guide or user manual for additonal information as well.