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    • https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Performance_hit_on_upgrade_to_ONTAP_9_7_due_to_lack_of_TCP_Segmentation_Offloading_TSO
      TCP Segmentation Offloading (TSO) not available for certain interface groups while on ONTAP 9.7 TSO stats zero or not incrementing in system node run -node <node> ifstat <port> for affected interface ...TCP Segmentation Offloading (TSO) not available for certain interface groups while on ONTAP 9.7 TSO stats zero or not incrementing in system node run -node <node> ifstat <port> for affected interface groups RECEIVE (...) TRANSMIT Total frames: 22322m | Frames/second: 7700 | Total bytes: 1225g (...) TSO non-TCP drop: 0 | Split hdr drop: 0 | Timeout: 0 TSO segments: 0 | TSO bytes: 0 | TSO6 segments: 0 <<< TSO Segments is 0 or not increasing