I've been having this problem with my internet a dozen or more times a day. I'll be browsing the internet, speeds and everything are fine, and then it will just suddenly stop working for a few minutes. The modem will inevitably re-cycle/reconnect and then I can continue on with what i was doing. Looking at the modem lights and diagnostics page it seems like it's randomly flip-flopping between a one and two channel upstream bonding. Maybe some sort of signal issue? I'm not sure. It's just that's that's it's been happening more frequently lately, driving me mad.
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