Arris S33 modem on 1 Gb/100Mb plan topping out at 5 Mb upload
Hi. Is there some way to get Comcast's tier 2 activation support crew to check a Portland OR modem's provisioning?
My daughter and her partner combined households last month in a new apartment. Both had Comcast service at their old places. They tried cancelling her service and moving his to the new place but there was a lot of confusion at Comcast when they tried to do this. In the end his service was cancelled too and a new account started, IIRC.
When we activated daughter's Arris S33 modem at the new apt on his new Comcast plan, for 1 Gb down ~100 Mb up, separate perf tests with the Xfinity app and with her UniFi Dream Machine at an ISP level consistently top out at ~700 Mb/s down and 5 Mb/s up. The S33's LED light is solid blue (DOCSIS 3.1).
Logging into the modem, downstream RF looks good enough for ~1 Gb/s. OFDM PLC channels 193 and 194 have a lot of corrected errors but very few uncorrected. Upstream has only four SC-QAM upstream channels and no OFDMA upstream channel which seems broken.
This feels like wrong modem bootfile/provisioning, or some Comcast-side account/config issue than bad modem signal levels. Daughter's old Comcast service with this S33 was on a much slower plan at her old place.
I just got them an Arris S34 which we'll try activating this evening to work around this. Really hoping it gets provisioned correctly to plan and upload bandwidth improves. Any advice how to ensure that happens?