Visitor
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1 Message
Xfi White Modem - Ports are much slower than WiFi
About 1 - 2 weeks ago, without changing anything, my hard wired connections to the modem dropped to around 89Mbps where they had been 300Mbps+. I had it bridged to a router that I use due to the features the router has. However, it was only connecting at less than 100Mbps. I changed the Xfi modem back to regular mode and remove the router from the equation. I connected my laptop, running Windows 11, directly to a port on the modem. Again, I couldn't get speeds higher than 100Mbps. However, the WiFi was connecting at over 300Mbps. I tried moving around the different ports and still no change.
I called Xfinity and they sent out a technician. The technician checked the lines, both inside and outside the house, and they were all within specifications. However, when he connected his Xfinity laptop up, it shows 300Mbps + through the ports. Again, I tried a couple other devices and again, using his same cable and port, I couldn't get above 100Mbps. He replaced the modem just to make sure it wasn't a problem with it. Again, the same thing. If I connected through WiFi I got 300Mbps+ but if I connected through a port, I got less than 100Mbps.
The obvious answer is that my devices have a 10/100 card or a throttle on. However, all devices that I tried have 10/100/1000Mbps cards (LAN Port). It seems as if the modem itself is throttling to 100Mbps through the ports. Is there a setting on the modem that I need to change?
Has anyone else had this issue and did you solve it?
Thanks!
XfinitySara
Official Employee
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1.6K Messages
3 years ago
Hey there, @user_9f95ef! Thank you for bringing your speed concerns to the community. I appreciate all of those details you were willing to share, it definitely helps for us to know what steps have been taken so far to try reaching a resolution on your end. I know that maintaining a solid and fast connection is super important, especially these days, so I'd love to see what we can do to help! Reviewing our Overview of Xfinity Gateways, I was looking through the specs of the xFi Gateway 3rd Generation (XB7), and also came across our Xfinity Internet Minimum System Recommendations (which have been extremely helpful to our customers in the past). May I have you look over those recommendations to ensure your connected devices are meeting those requirements for optimized speeds? We may have to dive deeper into troubleshooting for your specific modem, but let's start here. And thank you for taking the time to work with us on this! Let me know what you find.
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