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Forum Discussion
ctem81
Sep 02, 2020Star
CM1200 useless on Charter/Spectrum after they enabled OFDMA on upstream channels
Purchased a CM1200 modem a few months back to use with my spectrum service. Has been working fine for the last 3 months with OFDM on the downstream channels and regular upstream bonded channels. Ab...
FURRYe38
Sep 02, 2020Guru - Experienced User
Try a factory reset on the CM modem. Also disable LAG on the modem.
ctem81
Sep 02, 2020Star
Factory reset already done and LAG is not in use.
Spectrum said netgear already knows about this issue and is working on a fix. trying to figure out the timing of the new firware release.
- FURRYe38Sep 02, 2020Guru - Experienced User
Well CC and XF ISP got v2 FW update this past month. I presume all the rest are forth coming. NG doesn't make it know when they will push to ISPs though. So you'll have to keep in contact with your ISP about this as they are the ones the can only update FW on modems.
Good Luck.