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Oh, you were talking about Ethernet cables. [Cat7 is a scam](https://www.reddit.com/r/HomeNetworking/comments/85ua1e/cat7_is_it_snake_oil/) and many cables are of low quality, so it is still not surprising to see such a result. By...
I will leave this Issue Open as is, but please close it if your problem is completely resolved and you won't do any additional experimentation.
Could you try this command?: `sudo sysctl -w vm.min_free_kbytes=524288` And, could you please check if the throughput changes when Synology is directly connected(without the switch) to a PC?
I replied in issue #32.
Could you try disabling auto-negotiation by `ethtool -s eth2 speed 2500 duplex full autoneg off`?
One user reported that `ethtool -s eth2 speed 1000 duplex full autoneg off` disables auto-negotiation with 2.5 Gbps link, I'm not sure why, but it does seem to work for...
So, is your issue completely resolved?
I was expecting to disable auto-negotiation by running that command, keeping the link speed at 2500mbps. Even if we specified 1000mbps to the parameter of the command, this may be...
Thanks for the summary. I can understand from this situation that you think this is a driver issue. However, the Synology platform has various USB issues, especially with older models,...
My reading of the driver code indicates that this device does not have the ability to lock the link speed to 2.5Gbps. So sadly `sudo ethtool -s eth2 speed 2500...