Was this ever actually solved? I see several suggestions, but no indication that they worked. I ask because we have the same problem, and keep getting error messages from amazon saying insufficient bandwidth. Powercycling the gateway helps for perhaos 30 minutes, and then the problem happens again. Performance Pro internet says speeds are up to 100 mbps downloads; speedtest tells me we are getting around 91, and I'm not sure this is a dramatic enougg to make a difference.
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