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List:       openbsd-misc
Subject:    Re: Intel 82574L vs 82579LM
From:       Chris Cappuccio <chris () nmedia ! net>
Date:       2013-11-26 3:55:31
Message-ID: 20131126035531.GB17136 () ref ! nmedia ! net
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Paul B. Henson [henson@acm.org] wrote:
> 
> I didn't find anything really conclusive. Evidentally the main
> difference (http://supermicro.biz/support/faqs/faq.cfm?faq=11847) is
> that the 82574L is a fully separate ethernet interface connected over
> pcie, whereas the 82579LM is just a PHY that connects to the chipset
> controller.
> 
> I found a couple anecdotal accounts that the 82579LM works better (such
> as http://us.battle.net/d3/en/forum/topic/5151718781), but that's under
> windows, and might just be driver issues.
> 
> I think I'm just going to set up the 82579LM for the high load initially
> and see what happens; it will be easy enough to switch them around if I
> want to try the other way later.

are you running 500k pps? probably not. it won't matter worth a damn.

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