Slow file transfer speed (smb and iperf)


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Have been using a 2.5G USB Adapter (AS-U2.5G2) since October and speed has been pretty good (over 200MB/s for rsync/smb). I used the RTL8156 plugin and added the ethtool line in my Go file.

 

Weird things happened after I updated my Unraid to 6.12.5. After I press the update button I waited for the plugin helper to update the Realtek driver before I reboot (was my first update after using the 2.5g adapter and the plugin).  After the update, I did some file transfer testings. I noticed my SMB file transfer speed and iperf3 speed is very slow (see attached screencap). Even slower than gigabit ethernet. I rebooted more than 2 times and doesn't solve the problem. So I downgraded to Unraid 6.12.4 and restored the plugin (but not 100% sure if it also restore the driver), but the speed doesn't improve. I also disabled network bridging but doesn't change anything. 

 

Please help

slow iperf.jpg

Interface.jpg

asrock-diagnostics-20231201-1051.zip

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