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Forum Discussion
Cain1
Sep 25, 2011Aspirant
Any downside to Jumbo Frames??
If my NIC cards and switch support Jumbo frames, is there any downside to setting my Ultra 2 plus to enable Jumbo Frames?? I may have access to my NAS by an iPad, laptop and maybe one PC that do no...
StephenB
Oct 07, 2011Guru - Experienced User
The gain is due to reducing the CPU load, not because the network itself runs more efficiently. Often NIC drivers have other ways to reduce the CPU load (though mileage certainly varies on how well those ways work).
ard wrote: Here it lifts performance (NV) from 8 MB/s to (up to) 36 MB/s. MacBookPro 2.4 GHz.
StephenB wrote: I leave them off also. The overhead reduction on the network is negligible (about 1%), any performance gain you see is due to the reducing the CPU load in the clients.
In my case I am not seeing any real performance gain, so I leave them off. No point in worrying about fragmentation and packet loss over 100 mbit, wireless, and WAN connections, if I don't see any much gain anyway.
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