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Forum Discussion
Struggling With Low Speeds < 15MBps Over Gigabit
Hey Guys I have been having a major PITA regarding transfer speeds ever since I purchased my 'ReadyNas Ultra 4 Plus' in May 2011. Originally, I was only getting approx 5-6 MB/second and came to...
-In addition, please confirm that jumbo frames are actually working on your network.
You can do this with ping. On a PC go to the windows start bar, and enter "cmd" That will open a dos box.
Enter
If you get "Packet needs to be fragmented but DF set" then lower the 8960 value until you find the largest value that works, and let us know what that is.
Jumbo frames don't always speed things up btw, so it would also be a good idea to test with jumbo frames turned off.
-You also might want to confirm that you are using cat 5e or cat 6 ethernet cable. The cable grade is usually printed along the length of the cable every now and then.
You can do this with ping. On a PC go to the windows start bar, and enter "cmd" That will open a dos box.
Enter
ping NASIPADDRESS -f -l 8960
If you get "Packet needs to be fragmented but DF set" then lower the 8960 value until you find the largest value that works, and let us know what that is.
Jumbo frames don't always speed things up btw, so it would also be a good idea to test with jumbo frames turned off.
-You also might want to confirm that you are using cat 5e or cat 6 ethernet cable. The cable grade is usually printed along the length of the cable every now and then.
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