On 2022-07-27 12:22, Federico Civerchia wrote:
Yes, errors with UHD benchmarks, ping packet loss and iperf3 packet
loss on both setups.
The patch cables are new and 3mt long (always bought from FS)
Federico
Is this two different N310 on two different computers, or a single N310
on two computers?
Have you tried with just a *single* 10GiGe connection? What are the
setups of your 10GIGe NIC cards in terms of ip address settings, etc?
On 27/07/22 18:18, Marcus D. Leech wrote:
On 2022-07-27 12:15, Federico Civerchia wrote:
Hi Rob, Marcus,
thank you for your answers.
Yes, I have packet loss with ping and also with iperf3 (considering
udp) at low rates (500Mb, 1Gb).
From the host side I can also see continuous disconnection and
re-connection of the link. For the Intel X520-DA2 NIC, I have bought
Intel SFP+ (E10GSFPSR) but this does not resolve the issue.
I would like to clarify my setup, maybe it can help to find out what
is going wrong:
* First setup:
o Dell PowerEdge R550 (2xXeon Gold) equipped with dual port
Broadcom BCM57414 NetXtreme-E 10Gb/25Gb.
o USRP Ettus N310
o 4x SFP+ FS transceiver at 850nm (SR)
o 2x LC/UPC-LC/UPC Duplex, Single mode Fiber patch cables
* Second setup:
o Dell Precision tower 3650 (Intel core i9) equipped with dual
port Intel X520-DA2 10Gb
o USRP Ettus N310
o 2x SFP+ FS transceiver at 850nm (SR)
o 2x Intel E10GSFPSR
o 2x LC/UPC-LC/UPC Duplex, Single mode Fiber patch cables
For the USRP, I considered UHD 4.2.0, 4.0.0 and 3.15.0. All of them
highlight an unstable connection (packet loss and flapping)
Do you have other hints?
Thank you
Federico
Same thing is happening on both setups? How long are your patch cables?
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