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Re: [Discuss-gnuradio] Reliable Ethernet controllers and laptops for USR

From: Rickard Radio
Subject: Re: [Discuss-gnuradio] Reliable Ethernet controllers and laptops for USRP N210 ?
Date: Tue, 11 Dec 2012 17:26:39 +0100

OK, I just tried this on a colleagues brand new Thinkpad T430s and it works without any packet drops or other Ethernet problems on that laptop (at least for a minute or so). It has the Intel 82579LM Ethernet chip so that chip doesn't seem too bad after all (like the Artheros 8151 which I have problems with).


On Dec 11, 2012, at 12:51 PM, Rickard Radio <address@hidden> wrote:

Hi all,

Can anyone please try this on a laptop, preferably a Lenovo Thinkpad, with a N210 and report what you get:
"/uhd/examples/benchmark_rate --rx_rate 25e6"


On Dec 7, 2012, at 3:32 PM, Rickard <address@hidden> wrote:

I wonder which GigE controllers (manufacturer & versions) and laptop computers are working hassle free, without dropping packets etc., at the highest sampling rates with the USRP N210 which results in 800 Mbit/s raw data (or about 835 Mbit/s total UDP) ?!  

Please test your laptop with  "/uhd/examples/benchmark_rate --rx_rate 25e6" or "uhd_fft -s 25e6"  and report your findings!

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