DOCSIS® 3.0 Gigabit Cable Modem & Wi-Fi® AC1900 Router
- 11 Topics
- 15 Replies
issues connecting to xfinity
We have been using our Arris modem for over two years works great. We recently switched to tmobile from Xfinity. We disconnect the service. It's been just a month and we switched back because tmobile was dropping and services spotty.We are now with Xfinity. They say everything thing is set up.on their end. Gave them the serial number and Mac address. While I can see the modem and connect, it won't connect to the internet. It does not seem to be communicating with Xfinity. Does anyone have any ideas o what I can try?
Just got my SBG6950AC2 activated (through Cox)! But...
It does not seem to like me so far. I just got everything set up–I followed the instructions to a ‘T’. I downloaded the app, went through the steps, got connected to the network, but I am still receiving error messages like “The Wi-Fi network does not appear to be connected to the Internet” and “No Internet Connection.” On the Surfboard app, I received a “Cannot connect your Home Network. Configuration failed for your router” error message. The kind lady over at Cox helped me troubleshoot as much as she could, but ultimately directed me over to Arris. What do I do? Is this something I can fix or am I just better off calling customer support? Thanks!
SBG6950AC2 wont let me use internet though can connect
So got a SBG6950AC2 WiFi cable modem less than 3 months ago and yesterday was saying I didn’t have internet though showed me connected. I did a power cycle, went through my provider (Xfinity) all seems good there showing interest getting to router. I haven’t tried a lan cable due to not having one currently. I deactivated my service to modem. Not tech savvy enough to feel comfortable going in to change settings without confirmation might help. Then I did a full reset and still facing the same problem. I can’t find any customer support on this site besides you guys and hopefully can get some help before my zoom interviews!
How do I tell if it's Comcast, or my gateway router, causing random internet disconnects?
In the last several months I’ve had to power down/power up my “Xfinity-compatible” SBG6900-AC Gateway Router dozens of times because one or more of our computers or iPhones mysterious lose Internet connection. How does a Comcast Xfinity customer figure out whether it’s a problem with my SBG6900, or some kind of problem with Comcast Xfinity? My SBG6900 error log shows repeated Critical arcane events like, “ No Ranging Response received - T3 time-out” and “ Started Unicast Maintenance Ranging - No Response received - T3 time-out” or “Honoring MDD; IP provisioning mode = IPv6, No Maintenance broadcasts for ranging opportunities received - T2 tiime-out”. It’s all but impossible to talk to a human Xfinity technician anymore; all phone support leads me in circles. The cynic in me also wonders if Comcast is trying to drive customers to exasperation who bought their own gateway routers, to get them to rent Xfinity’s equipment again, due to “growing incompatibility” or some such pretext. NOTE
How do I change my firewall settings so I can get onto a website? I use this website for work and can access it anywhere but from my home unless I long in using my iPhone hotspot. If I use my home internet it will allow me to get to the website but when I attempt to log in it gives me a 404 (not found) Error
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