I recently subscribed to the gigabit service. However, my speeds when connected directly to the modem (Arris SB8200) are only around 400Mbps. Sometimes I have been able to get around 550 Mbps. On upload I do get the 35Mbps. Comcast sent out a technician to verify that the cable was okay and the SNR was good. Comcast also looked at the bootfile on the modem and everything looked good but couldn't give me a straight answer why the speeds weren't upto the mark. Beyond this I'm not quite sure why then the modem would not be able to get close to the gigabit speed. Is there a comcast representative here that can comment on this?
Thanks in advance!
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