[USRP-users] N200 with Intel I218-V Ethernet chip?

Ian Buckley ianb at ionconcepts.com
Mon Mar 14 14:26:53 EDT 2016


Sivan,
Historically there was/is a known issue with I218-LM and the N230. Its not
clear to me that its applicable to all USRP's but given the solution was to
not use jumbo (~8000) MTU's but use 1500 ones, I'd say it's likely a host
side issue. I couldn't say if this is applicable to I218-V

-Ian


On Mon, Mar 14, 2016 at 10:41 AM, Marcus Müller <usrp-users at lists.ettus.com>
wrote:

> Hi Sivan,
>
> which desktop chips do they not work with? As far as I'm aware, there's
> exactly three classes of Ethernet adapters that do not work:
>
> * Fast Ethernet only adapters (i.e. NICs that only support 100Mb/s, not
> 1Gb/s), because Gigabit ethernet has another frame format that the USRPs
> need
> * USB-to-Ethernet adapters (some of which seem to have strange firmware
> that internally reorders packets, which UHD doesn't like)
> * The infamous Intel 82579LM
>
> If you've encountered any other incompatibilities, we'd love to hear of
> them!
>
> Best regards,
> Marcus
>
>
> On 03/13/2016 09:54 AM, Sivan Toledo via USRP-users wrote:
>
> Hi,
>
> My experience with quite a few N200's is that they work great with some
> ethernet interface chips in the PC and essentially don't work with others.
>
> We are planning to buy a small-form-factor PC with an Intel I218-V GbE
> chip. Do people on the list have experience with this chip and can say
> whether the N200 will work well with it or not? (The form factor is such
> that we won't be able to add an PCI or PCIe card if the built-in network
> interface causes problems like we did in bigger PCs).
>
> I remember seeing a list of good and problematic chipsets for the N2x0 and
> USRP2's, but I can't find it.
>
> Thanks, Sivan Toledo
>
>
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