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Date:      Tue, 25 Dec 2007 00:09:10 -0500
From:      Sten Daniel Soersdal <netslists@gmail.com>
To:        Chris Poulsen <mailinglist@nesluop.dk>
Cc:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   Re: Problem with nfe stability and throughput
Message-ID:  <47709076.5050205@gmail.com>
In-Reply-To: <476EE604.2070809@nesluop.dk>
References:  <476EE604.2070809@nesluop.dk>

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Chris Poulsen wrote:
> Hi,
> 
> I've installed CURRENT on an asus m2n-vm. My network config is giving me 
> problems.
> 
> Throughput seems low. I'm seeing up/download rates less than 1 Mbyte/sec 
> on my local lan (100Mb). I've tried switching cables/ports in my switch 
> etc.
> 
> I've enabled device polling (hz=1000)
> 
> Uploads from the box are slow but "stable". Downloads to the box are 
> both slow and unstable. After a few seconds i see the following lines in 
> my log and all transfers freeze. Doing ifconfig nfe0 down/up brings the 
> interface back to life.
> 
> nfe0: discard frame w/o leading ethernet header (len 3 pkt len 3)
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> nfe0: discard frame w/o leading ethernet header (len 8 pkt len 8)
> nfe0: discard frame w/o leading ethernet header (len 0 pkt len 0)
> 
> I've tried applying the patch from this conversation: 
> http://www.nabble.com/nfe-busted-on-7.0-BETA4-to14143721.html#a14143721
> 
> but i still see the same error. (My dmesg/ifconfig output in the bottom 
> of this mail)
> 
> Could someone please give me some pointers on how to fix these things?
> 

Have you tried turning off flow-control on the switch port?

Just my $0.02

-- 
Sten Daniel Soersdal



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