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RBR50 issues with xfinity
I am running an RBR50 2 node Orbi AC3000. I recently changed from Frontier to Xfinity. Installed 1 Gbps service with a XB7-T xfinity wireless router/modem. I am hardwired Ethernet cable to the xfini...
So, after a week away from home, I did a factory reset on the Orbi and rebuilt the network. I also did a restart on the Comcast XB7, which is a WiFi6 gateway (modem/router). When I did the factory reset, the Orbi also did a firmware update. After the firmware update the Orbi works with no issues and the Xfinity router is set with bridge (DISABLED) and wifi on. At this point I am pretty convinced that it was the firmware update that might have done the job. I should note that I did multiple tries with bridge enabled, wi-fi off, etc. none worked. And the Orbi would NOT recognize the Xfinity Internet with the XB7 gateway set to bridged enabled. Go figure! Thanks to all for the assistance, now working great.
I worked with Comcast and enabled bridging. When I did that, my Orbi would not recognize the Ethernet Internet connection to the xfinity router. I disabled bridging, and turned off the both wi-fi channels on the xfinity router, and I still get the same issues. Is there another setting on the Orbi that I need to change once bridge is enabled?
PDXjon wrote:I worked with Comcast and enabled bridging. When I did that, my Orbi would not recognize the Ethernet Internet connection to the xfinity router. I disabled bridging, and turned off the both wi-fi channels on the xfinity router, and I still get the same issues. Is there another setting on the Orbi that I need to change once bridge is enabled?
I also have Xfinity and run my Orbi AX in bridge mode. I initially ran my first month with my Orbi AX in Router mode, connected to the Xfinity gateway, and had Double NAT. This was not ideal, but still worked fine.
Once you switch your Xfinity gateway to bridge mode (https://www.xfinity.com/support/articles/wireless-gateway-enable-disable-bridge-mode), it is a little finicky getting the new router (i.e., your Orbi AX) to get an IP from Comcast. Maybe this is because the MAC address for your service changed, from the Gateway to your Orbi, but I don't know for sure. I did have some Orbi "could not get internet service" (sorry don't recall the exact error message) errors immediately after switching to bridge mode but that went away after 5-10 mins.
If you were on the Xfinity tech help phone line then they can help send a reset signal to your gateway. You can also do this yourself by calling the 1-800-COMCAST phone number or online at https://customer.xfinity.com/#/services/internet (go down to Devices and click on "Restart Modem"). You shouldn't need to change anything on your Orbi but your intermet service may need a short kick, and wait, to get settled.