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I have had this issue since upgrading my internet connection to 2.0Gbps
I have had this issue since upgrading my internet connection to 2.0Gbps. Performance across the router from WAN to LAN (download) is 200-300Mbps. After trying many settings, enabling QoS without enab...
- Test was still running this AM without perf /QoS issue so static ip on RAX200 "fixed" the issue.
What speed is the Pi File server connected to the swtich?
Is it correct to assume that the device connected on the LAN of the RAX200 is connected at 1Gbps ?
The Pi 4B is connected to the WAN side 2.5Gb switch (MS108EUP) with a 2.5Gb USB 3.0 dongle and is running samba, and ntopng (it's primary function). It's a little slow, but I can tell the difference when the RAX200 disconnects and looses QoS or whatever it is that is happening. I don't suppose there is a way to get verbose logs? or a shell on the RAX200?
Can you do a quick test?
Force the Pi / USB Dongle to connect or negotiate up to 1Gbps only and then run the test again from the 1Gbps port (LAN side) of the RAX200.
Now you will have 2 devices communicating end-to-end at 1 Gbps and check the file transfer throughput (speed). if the problem is the switch you should see a better speed for the file transfer.
As for the RAX200, you can assign a static IP address in the range of the subnet on the WAN port and then RAX200 will not have to renew the ip address ( You will need to reserve this ip address in the DHCP server or assign the DHCP server scope outside the ip address but still in the range of the subnet.
I made the RAX200 WAN static, so far no disconnects and stable QoS. I will leave it to run overnight. I would like to see a network capture when DHCP fails. I have previously measured around 800Mbps on the LAN. I think the Pi4 is slow because it's also monitoring all the traffic (ntopng) on the WAN port via port mirror on the MS108EUP. I should turn all that off to make sure that's not causing the DHCP issue.
Some confusion here, at least to the unqualified readers like me. 8-)
First, there is a nice router doing the NAT for the complete LAN .... which is connected to the MS108EUP FURRYe38
Second, there are no 2.0 GbE Ethernet ports in this world, your Internet connecting device is certainly having a 2.5 GbE port.
Third - and this is potentially where issues can be caused: Port mirroring of a 2.5 GbE port to a device which does link negotiate to the max the Pi 4 can, what is 1 Gb Ethernet only. Not sure what the switch does now. Silently dropping any frames beyond of 1000 Mb/s, restricting the forward rates, at the risk that some packets are not forwarded - for example the DHCP traffic on the router port? In my opinion, this isn't a reliable solution for traffic monitoring by data tapping, as the OP does apparently pay for a 2 Gb Internet service.
Last, what's the point for operating the WAX200 (from wally brain, replying on the mobile phone) in NAT/router mode including QoS?
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