[Discuss-gnuradio] Re: usrp2 with atl1e gigabit ethernet device

[Christopher Friedt]

It would seem that the atl1e device does support manual MDI
configuration, according to this [1].



[1] http://lwn.net/Articles/289918/

On Wed, Nov 18, 2009 at 12:14 PM, Christopher Friedt
<address@hidden> wrote:
> Hi list,
>
> I've connected a USRP2 to my laptop's gigabit ethernet [1] and the
> USRP2's ethernet indicator LED is not on. Running find_usrp2s returns
> zero results on my machine, while on another machine, using the same
> cable, the USRP2 is detected.
>
> I've read that some people have actually had it working well with the
> same gigabit ethernet device [2] and was hoping that someone else
> could say what the problem is here. My first instinct is to assume
> that the auto-negotiation process [3] is not working. It used to be
> the case, that if auto-negotiation was not working, a crossover cable
> would fix the problem. Does that sound like an accurate diagnosis /
> prognosis?
>
> Rather than buy a new cable, I might be able to add a bit of code to
> the kernel driver to allow for manual switching through a /sys entry
> (if the device supports such control operations), but I thought that I
> would ask the list for suggestions first.
>
> Cheers,
>
> Chris
>
> [1] atl1e driver
>
> 03:00.0 Ethernet controller: Attansic Technology Corp. L1 Gigabit
> Ethernet Adapter (rev b0)
>
> [2]
>
> http://old.nabble.com/Netgear-GA311-%28Realtek-8169%29-and-USRP-2-td20908796.html
>
> [3]
>
> http://en.wikipedia.org/wiki/Ethernet_crossover_cable#Automatic_crossover
>