Once I implemented this fix I went from getting 10MB/s to getting over 500MB/s+ (both read & write) on my Mac laptop connected over Wifi. BEFORE/AFTER:             On MacOS 10.13.x I was getting terrible network transfer speeds from my Mac laptop to the network share being served by another mac. We were only getting 10MB/s which was not even enough to stream videos at 720p but yet on the iMac this external RAID array was attached to we were getting 200MB/s+ and could stream 2160p30 (4k) videos no problem. Server serving the network share: MacOS High Sierra (10.13.6), External 24TB RAID array in RAID 10. Client access the network share (SLOW): MacOS High Sierra 10.13.4[…]