Hi i have mellanox 2410 switch with Product name: MLNX-OS Product release: 3.6.4112 . When in switch port configured with FEC OFF link fails to come up . No signal are been detected on HSS Lanes on our adaptor. Can you please say 100G support FEC OFF ???

Hi, In order to provide you with the correct answer , could you please let me know which adapter are you using ? Connectx-4 OR Connectx-5 ? In addition, which transceiver are you using ? Thanks, Samer

Mellanox 2410 100G FEC OFF link failes to come up with my adaptor with QSFP+ cu 2 cable .

Infrastructure & Networking Switches and Gateways

thomas.rottig January 9, 2020, 5:23pm 4

Try setting FEC mode to RS, that helped me in getting a link on Chelsio Cards

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Mellanox 2410 100G FEC OFF link failes to come up with my adaptor with QSFP+ cu 2 cable .

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