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FC LIFs are not negotiating at their optimal speeds
https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/FC_LIFs_are_not_negotiating_at_their_optimal_speeds
Applies to Brocade FOS 9.X and above Issue Out of 4 Fibre Channel LIFs only 1 is negotiating at the optimal SFP speed of 16g while the rest only negotiate at 8g.

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