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EgorL
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CRS309

Tue Apr 13, 2021 9:49 am

Hi!
In CRS309 with two DAC speed stays less than 2.6 Gb/sec.
Even when I clear config speed is 2.1, but if I switch off RSTP speed is 2.6, both with RouterOS and SwOS.
How can I get 10GB speed?
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erlinden
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Re: CRS309

Tue Apr 13, 2021 10:05 am

I think single stream is limited, you might want to test with multiple streams:

iperf -c 192.168.9.21 -P 5
First the problem, then the solution
 
EgorL
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Re: CRS309

Tue Apr 13, 2021 10:40 am

I think single stream is limited, you might want to test with multiple streams:

iperf -c 192.168.9.21 -P 5
I've tried. Even 8 stream. With different packet size. Without result.
 
EgorL
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Re: CRS309

Tue Apr 13, 2021 10:43 am

But i have got this. and I have no idea what it mean
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grusu
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Re: CRS309

Tue Apr 13, 2021 1:22 pm

Change the MTU to 9000.
 
biomesh
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Re: CRS309

Tue Apr 13, 2021 1:49 pm

Disable flow control and test again
 
EgorL
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Re: CRS309

Tue Apr 13, 2021 10:23 pm

Thank you everyone!
I did all of the above and this (https://www.reddit.com/r/sysadmin/comme ... d_my_slow/)
And now I have 9.1 Gb/sec.

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