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mhweb
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Joined: Wed Jan 13, 2021 2:43 am

How to fix inconsistent transfer speed with MikroTik CRS305-1G-4S+IN switch?

Wed Jan 13, 2021 2:51 am

I have a MikroTik 5-Port Desktop Switch (CRS305-1G-4S+IN) using the SwitchOS mode, and I'm noticing throttling when transferring files at 10Gb. Before I purchased the switch, I have the Windows 10 PC connected directly to the unRAID server, and transfers were constant at around 7Gb which is the limit for the SSD to write data. However, since I installed the MikroTik switch when transferring files, the speed starts good at 7Gb, and then about 20 to 30 seconds later the transfer speed decreases all the way to 0 then picks up again, and then it slows down again and goes up back and forth like this.
What could be the problem and how do I fix to transfer speed are constant? Only two devices are connected to the switch.
 
arclength
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Joined: Mon Dec 28, 2020 8:13 pm

Re: How to fix inconsistent transfer speed with MikroTik CRS305-1G-4S+IN switch?

Thu Jan 14, 2021 1:24 am

What transceivers are you using to connect your PC and server?
 
mhweb
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Re: How to fix inconsistent transfer speed with MikroTik CRS305-1G-4S+IN switch?

Fri Jan 15, 2021 11:32 pm

@arclength I'm using the 2 10Gtek SFP+ DAC Twinax Cable, Passive, Compatible with Cisco SFP-H10GB-CU7M, Ubiquiti. (cab-10gsfp-p7m)
 
Smokeshow
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Joined: Thu Mar 16, 2017 10:30 pm

Re: How to fix inconsistent transfer speed with MikroTik CRS305-1G-4S+IN switch?

Mon Apr 19, 2021 5:38 pm

Did you ever resolve this? I had a similar issue and I resolved it by disabling flow control.

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