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What do you get for the upload speed ?
Is this with a WiFi connection ? If so, for a test, does a computer hardwired directly to the C3000 with an ethernet cable have the same problem ?
You may need to upgrade that device to one that has more horsepower. It is limited to only around 100 Mbps down via the WiFi, so that may be a bottleneck with the additional overhead.
https://mydeviceinfo.xfinity.com/device/netgear-c3000-100nas-397
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O/k try calling 1-800-comcast and ask a rep to completely remove the modem from your account and to "re-provision" it from scratch. Also ask them to confirm that the provisioning and account data in their database is correct and complete and that the correct configuration / bootfile for your subscribed to speed tier is being pushed to the modem. Good luck !
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We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Mark the post as Best Answer!
I am a Customer Expert volunteering my time to help other customers here in the Forums.
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