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An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? - NETGEAR Support
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Amazon.com: NETGEAR Nighthawk X4S Smart WiFi Router (R7800) - AC2600 Wireless Speed (up to 2600 Mbps) | Up to 2500 sq ft Coverage & 45 Devices | 4 x 1G Ethernet, 2
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