Or just put a new sticker on the ports or LED?
Due to a manufacturing error by netgear on the brand new XR500 Router , the ethernet port numeration has been reversed printed , which essentially mean , eg that if you plug an ethernet cable into port 4 , LED on the front shows Port 1 active, should be 4321 , instead be printed 1234 , UK & Eurpean units affected and i suspect USA as well
CHECK YOUR UNIT , and deffer back to your retailer & Netgear

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