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Mellanox 25G AOC works between MikroTik switches but not on an Intel X722 (ixl) in pfSense
The poster tried a Mellanox MFA2P10-Axxx 25G SFP28 AOC between a MikroTik switch and a Supermicro server with an Intel X722 (ixl driver) under pfSense. The cable linked fine switch-to-switch but on the X722 ifconfig -vvvm showed the module recognised (10GBase-SFI, 1000Base-KX listed) yet no carrier…