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Forum Discussion
Wireless Performance to ReadyNAS - at my wits' end...
I have been having problems with wireless access to my ReadyNASes for a few weeks now. I think I can trace the problem back to replacement of my old router and access point with new stuff. The p...
My recollection is that the v2 products don't support jumbo frames.
On the MTU sizing, the best way is to use ping. Start by setting the PC to use 1500.
If entering "ping NASIP -f -l 1472" in the command box of a windows PC works (with no fragmentation error), then the MTU is 1500. If you need to drop down to -l 1464, the MTU is 1492. (the rule is to add 28 to the -l parameter).
Once you know the real MTU, you should set the PC client to use it. There is no benefit to setting the MTU too high, and no benefit to setting it lower either (assuming no jumbo frames).
You might find the NAStester tool at http://www.808.dk/?code-csharp-nas-performance helpful in measuring performance - it is more consistent than doing directory reads. You need to map the NAS share to a PC drive letter to use it.
On the MTU sizing, the best way is to use ping. Start by setting the PC to use 1500.
If entering "ping NASIP -f -l 1472" in the command box of a windows PC works (with no fragmentation error), then the MTU is 1500. If you need to drop down to -l 1464, the MTU is 1492. (the rule is to add 28 to the -l parameter).
Once you know the real MTU, you should set the PC client to use it. There is no benefit to setting the MTU too high, and no benefit to setting it lower either (assuming no jumbo frames).
You might find the NAStester tool at http://www.808.dk/?code-csharp-nas-performance helpful in measuring performance - it is more consistent than doing directory reads. You need to map the NAS share to a PC drive letter to use it.
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