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Forum Discussion
C7000v2 WAY slower than Xfinity modem
I just signed up for 600Mb Download speed from Xfinity. I've BEEN using a C7000v2 with Xfinity for a while, but when I upgrade to the new speed I ran a speed test (WiFi) and get about +/- 260Mb. ...
What are you wired speeds thru the NG modem?
Have the ISP check the signal and line quality UP to the modem.
Be sure there are not coax cable line splitters in the between the modem and ISP service box.
Be sure your using good quality RG6 coax cable up to the modem.
What channels are you using? Auto? Try setting manual channel 1, 6 or 11 on 2.4Ghz and any unused channel on 5Ghz.
Any Wifi Neighbors near by? If so, how many?
I no longer own a computer with an ethernet port.
The Xfinity gives about 700Mb down via WiFi.
The NG gives about 260.
What is the Mfr and model# of the ISP modem?
Check the specs on the C7000v2, WiFi connection rates are:
(600 Mbps @2.4GHz with 256 QAM support +1300 Mbps 5Ghz 11ac)†
You need to check your wifi connection rates with WiFi Sweet Spots app loaded on your wireless devices.
There's no indication on the Xfinity modem of who the manufacturer is.
My C7000v2 is set up with those specs.
My computer is 3' away from the modem, so Sweet Spots isn't telling me anything meaningful.
You've made it a challenge.
1. we don't know what the current modem is. Is it a docsis 3.1 device? if so, they tend to be a little more tolerant of connections back to the isp that aren't the best versus a docsis 3.0 device (which the c7000 is)
2. We dont' know what your hardwired speed from the C7000 is. Another key. wireless can be influenced by many different factors which is why we rely on hardwired speeds for the baseline.
3. We don't know what the connection back to the isp was like. Again with the docsis 3.1 vs 3.0.
Its tough to tell you anything without reliable info from the C7000.
