On 04/10/2019 05:31 PM, Mark Gannet wrote:
I've addressed the USRP as the following:
USRP[0-3]: 192.168.4x.2, where x=0,1,2,3
UHD 3.9.2
You should probably upgrade to a newer UHD version. There were bugs in
that area, as I recall, that have since been fixed.
On Wed, Apr 10, 2019 at 1:47 PM Marcus D. Leech via USRP-users
<usrp-users@lists.ettus.com <mailto:usrp-users@lists.ettus.com>> wrote:
On 04/10/2019 04:41 PM, Mark Gannet via USRP-users wrote:
> I have 4 USRP x310s running at 12.5 MSa/sec on a quad 10GbE network
> adapter (each USRP has it's own 10 GbE connection). I'm using
the 16
> bit short format.
>
> I can operate one USRP at a time 100 MSa/sec with no overflows or
> drops (200 MSa/sec total for one USRP). If I want to run all 4
USRP,
> I can only achieve 25 MSa/sec for all 8 channels (total of 200
MSa/sec).
>
> Basically the sum of sample rates cannot exceed 200 MSa/sec
which is
> about 6400 Mbps (200*4 bytes/sa * 8 b/B).
>
> Why is this? I thought with a dedicated 10GbE network port for
each
> USRP, the sample rate limit would be 100 MSa/sec for each (6400
Mbps).
>
> Thanks,
> Mark
>
What version of UHD are you using?
How are you addressing the USRPs?
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