My Netgear CM1000 modem only connects at 100 Mbps (Amber light) and not it's usual 1000 Mbps (green light). I've tried different CAT 5e and CAT 6 cables, no change. Using a Netgear R7000 router immediately behind the modem. Any help would be greatly appreciated. Seems a sad shame to be paying for this bandwidth and only receiving 1/10th of the possible download speed.
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