I have almost the exact same stats and only 1 bonded upstread channel. The guy on the comcast help line is refusing to send a tech since my internet is currently working. I am trying to avoid having an outage when this one upstream channel fails and I am out of luck and have to wait for an appointment. Why won't they just send a tech!!! I've been on the line with this agent for almost an hour and been put on hold about 10 times. Frustrated.
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