[CentOS] Jumbo Frame performance or lackof?

Ljubomir Ljubojevic office at plnet.rs
Sat Jun 25 20:34:13 UTC 2011


Emmanuel Noobadmin wrote:
> I'm wondering, that since Jumbo Frames was supposed to be better for
> bulk transfers, why am I seeing these results? Is it the ElRepo
> drivers I used to enable higher MTUs or possibly some kind of oddity
> with the realtek NICs I am using? Or am I mistaken about the benefits
> of jumbo frames and that they are only beneficial in specific
> configurations, perhaps only with higher network speeds and enough
> packets at 1500 MTU to overwhelm packet handling hardware?
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I googled about Jumbo Frames ("jumbo frames impact") and 2 top hits are 
very interesting:
http://sd.wareonearth.com/~phil/jumbo.html
http://www.chelsio.com/jumbo_enet_frames.html

I guess if you are not happy with speed provided by Realtek you should 
definitely buy more expensive NIC's with support of 9000K packets.

Ljubomir



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