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Intel X710 and a TP-Link switch: 10G DAC gives no link, port stuck in NO-CARRIER
Setting up 10G between a server and a TP-Link switch, nothing exotic. The card shows up in the system, driver loads normally, but there's no link on the port at all - no errors, no negotiation attempts. server: Intel X710, four 10GbE SFP+ ports, firmware 9.140.76856 TP-Link switch, SFP+ port cable…