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Hitron CODA, upload speeds intermittently fluctuating
I ran into some information that suggested I contact the Xfinity Digital Care team. From what I understand, they have access to tier-2 backend tools that can fix a specific Hitron CODA provisioning glitch.
I recently upgraded from a Motorola MB7220 modem to a Hitron CODA modem. I switched my Internet plan from the legacy 300 "Connect More" tier to the modern 300 tier. The modern 300 tier is listed to have typical download speeds of 352 Mbps and typical upload speeds of 117 Mbps. While my download speeds are as expected, my upload speeds are intermittently fluctuating between 20 Mbps and 120 Mbps.
I've contacted several Xfinity live agents who claim they have provisioned my modem with the latest bootfile and sent refresh signals. When I power cycle the modem, the upload speed initially hits 120 Mbps, as expected, but eventually degrades.
I've inspected my modem's upstream overview dashboard, and under DOCSIS mode column, ATDMA is listed across all channels. I was expecting, with the latest bootfile, for it to list OFDMA, indicating that it's using the new next-gen/mid-split profile. Some information suggested that my CMTS (Cable Modem Termination System) profile cache be cleared.
Any thoughts? Please advise.
Thanks.
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