[USRP-users] Control several USRPs via switch

Leandro Echevarría leoechevarria at gmail.com
Tue Feb 12 07:13:42 EST 2019


Hey Maria,

If I'm not wrong, USRPs have default static IP addresses, which are
specific to the FPGA image you've loaded onto them. Perhaps if you're using
more than one in the same network domain there's being a collision and you
need to change one of the board's IP default IP addresses first? Just an
idea.

Regards,

Leo

On Tue, Feb 12, 2019 at 8:54 AM Maria Jesus Cañavate Sanchez via USRP-users
<usrp-users at lists.ettus.com> wrote:

> Hi Xavier,
>
> Thank you very much for your answer!
>
> I was just using the command uhd_find_devices from the terminal and the PC
> did not detect anything. Sending a ping did not work either. When I did the
> same by connecting just the PC without the switch, everything worked
> properly.
>
> Do you think the limit in sampling rate could affect the detection of the
> USRP as well?
>
> Thank you again!
>
> Best regards,
>
> Maria Jesus
> On 12/02/2019 11:36, Xavier Arteaga wrote:
>
> Hi Maria,
> What sampling rate are you having? The switch you are using is up to
> 100Mbps. That limits your sampling rate to 3.125Msps.
>
> 100Mbps / (16 bit/sample x 2 IQ) = 3.125MSamples/s.
>
> Regards,
> Xavier
>
>
> On Tue, 12 Feb 2019 at 11:57, Maria Jesus Cañavate Sanchez via USRP-users <
> usrp-users at lists.ettus.com> wrote:
>
>> Hi there!
>>
>> I am having problems when connecting the USRP X310 to my PC via a switch
>> (I am doing this as I would like to connect several USRPs
>> simultaneously). The connection between the PC and the USRP via direct
>> Ethernet connection works perfectly but not when I connect a switch in
>> between. I have been checking the manual to see if there are any
>> specifications for the switch but I have not found anything. The switch
>> I am using is the TL-SF1008D by tp-link and maybe it is not compatible
>> with the USRP.
>>
>> Thank you very much in advance!
>>
>> Best regards,
>>
>> Maria Jesus
>>
>>
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>>
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