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    • C3 discards and FRAME LOSS on Brocade switch due to faulty SFP on switch end
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/C3_discards_and_FRAME_LOSS_on_Brocade_switch_due_to_faulty_SFP_on_switch_end
      ONTAP Target port connected to Brocade switch port errors with discards C3 ( disc c3 ) and C3 timeout TX Switch 0; Wed Jan 29 01:24:01 2025 IST (GMT+5:30) 01:24:01.713417 SCN LR_PORT(0);g=0x4984 D0,P0...ONTAP Target port connected to Brocade switch port errors with discards C3 ( disc c3 ) and C3 timeout TX Switch 0; Wed Jan 29 01:24:01 2025 IST (GMT+5:30) 01:24:01.713417 SCN LR_PORT(0);g=0x4984 D0,P0 D0,P0 186 NA 01:24:01.762542 SCN Port Online; g=0x4984,isolated=0 D0,P0 D0,P1 186 NA 01:24:01.762718 Port Elp engaged D0,P1 D0,P0 186 NA 01:24:01.762731 *Removing all nodes from port D0,P0 D0,P0 186 NA 01:24:01.762918 SCN Port F_PORT D0,P1 D0,P0 186 NA
    • VMware Host showing frame loss and Brocade switch showing c3timeout TX on port
      https://kb.netapp.com/on-prem/Switches/Brocade-KBs/VMware_Host_showing_frame_loss_and_Brocade_switch_showing_c3timeout_TX_on_port
      VMware ESXi 6.X VMware ESXi 7.X Brocade Switch VMware ESXi host HBA port shows incrementing Invalid CRC Count and Invalid TX Word Count. Tx Frames: 2929696924 Rx Frames: 3782738436 Lip Count: 0 Link F...VMware ESXi 6.X VMware ESXi 7.X Brocade Switch VMware ESXi host HBA port shows incrementing Invalid CRC Count and Invalid TX Word Count. Tx Frames: 2929696924 Rx Frames: 3782738436 Lip Count: 0 Link Failure Count: 21 Loss of Signal Count: 1 PrimSeq Protocol Err Count: 0 Invalid Tx Word Count: 524313192 Invalid CRC Count: 294694 Brocade shows c3timeouts frames enc crc crc too too bad enc disc link loss loss frjt fbsy c3timeout pcs tx rx in err g_eof shrt long eof out c3 fail sync sig tx rx err