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Forum Discussion
Upgraded from CM600 to CM1200, upload speed halved
I figured I'd ask here before I return the new modem. I have an xfinity 400mbps down/100mbps upload speed plan. I had been using the CM600 for a while, which gave a good 450mbps/12mbps down/up. Xfin...
Yes. This one is going right back.
FWIW I connected a laptop directly using a cable to the modem and tested it. The upload is still under 6mbps.
FWIW I connected a laptop directly using a cable to the modem and tested it. The upload is still under 6mbps.
Back to the old modem CM6900 (docsis 3.0). Unfortunately the old upload speed of 12mbps was no longer available, and now this one also gets only 6mbps. It has to do with Xfinity but they will charge for every visit they make, because I am not renting equipment from them. Perhaps a change in provider is in order.
IF you have that option, something to explore.
Additional information on Xfinity with the CODA and CODA56 modems can be found here:
https://www.dslreports.com/forum/r33821305-Equip-Xfinity-customers-with-CODA-CODA56-modems
