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Ethernet
I just replaced the cable modem/router combo I had purchased with Xfinity hardware. After some unexpected issues, I thought everything was working fine when I let the support technician off the phone, but the ethernet link to my smart TV stopped working after a few minutes with an amber light on the port.
Since I have a good bit of experience with networking equipment an amber port light means trouble.
Instead of a flashing green light like I was getting with my old hardware, it initially was a green, then switched to amber, and would not switch back no matter what I did.
I called support back and that tech was uninformative and no help at all. He also kept wanting me to give him access to the WiFi, which I had no trouble with.
The next day my desktop, which had gone to sleep during the night, was also showing the same amber, but as soon as I woke it up it would switch to green.
I found ways to get a green on the TV's port for a few seconds or minutes, but the router would kill the connection the second it could.
Whatever detection threshold the Xfinity box is set to seems to be set too high to maintain a steady connection with my smart tv. I don't know what it thinks it is saving by shut down the port, but if I could log in as the admin I would shut that feature off.
Does anyone have a solution other than me buying my own hardware again?
flatlander3
Problem Solver
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1.5K Messages
3 years ago
Amber means it's either shifting to 10/100 or if you are using the red/orange stripe port, that's a 2.5Gbps port -- they made that also go amber. Green is 1Gbps.
If you got a speed/link negotiation issue, that's either a marginal cable or bad port. Hardware does that by itself. There is no setting. You can also try another port, but try another decent cat 7 cable first. Other folks have reported bad ports on xfinity gateways as well. It's far less common for the device side ports to flake out.
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