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Backgroud I use a 2012 iMac and a 2012 Mac mini with two thunderbolt to ethernet adaptor make Link aggregation with the help of switch-CISCO SG200-08.

Problem LACP both OK on two of my Mac.When transfer big file Network speed can reach 225MB/S But the real READ/WRITE speed is only 110MB/S(both of my macs use ssd)

Question I seem to know that Link aggregation can only balance load by IP or MAC address? Can I make two mac reach 2Gbps transfer speed(transferring before separating data to two network port)?

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Transfering files is not always the best idea to measure the network bandwidth as it's limited by read-write speed to the disk. Try using the iperf tool to measure the network bandwidth first.

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hi,Guardian.the limitation is on not my disks(I mentioned already).LACP can only load balance by MAC or IP addresses,so LACP can not seperate a file to two network cable point to one MAC or IP address(as you know,LACP aggregate two IPs and MACs to one) – Shades Mar 20 '13 at 3:45
1  
Why don't you just try iperf? – Guardian Mar 20 '13 at 5:27
    
Your SSDs cannot go at 2Gbps, or even 1Gbps. The disk is the bottleneck. – suprjami Dec 9 '14 at 10:43

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