On 2021-11-25 12:24, ChunChih Lin wrote:
Hi Marcus,
Thanks a lot for your reply.
So, is there any way that I can check?
Many thanks
Chun-Chih Lin
Use ethtool on your host PC to check that the interface has negotiated
10G PHY rates.
On Thu, Nov 25, 2021 at 11:02 AM Marcus D. Leech
<[email protected]> wrote:
On 2021-11-25 10:54, ChunChih Lin wrote:
Hi all,
I have a 10Gb PCIe NIC, Intel X520-DA1, installed on my
desktop and connected to sfp+1 port with SFP+ DAC cable.
I'm trying to verify the speed of the connection.
I launched a iperf3 server on USRP N310, and a client from my
desktop.
The bandwidth is fat from 10Gb. The screenshot below is from my
desktop.
image.png
Bath mtu of interfaces on N310 and my desktop are set to be 9000.
Many thanks
Chun-Chih Lin
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You'll not get anywhere close to 10Gig when exchanging packets
with the *CPU* on the N310. You only see the high-bandwidth
rates when streaming samples--the CPU is NOT
involved in that at all.
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