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Solved
Surprisingly slow throughput on GigE ports of GS110EMX
I have a pair of NETGEAR GS110EMX switches, one connected via port 10 to the 2.5Gbps port of an Orbi RBRE960 router, and the second connected "back to back" to the first switch through their 10Gbps p...
Flow control! It was always FLOW CONTROL.
After GPTing around looking for a solution, I decided to try enabling port-based flow control on the upstream (10Gbps) port, thinking perhaps, as I mentioned above, that I was experiencing buffer overflows downstream to the GigE port. Sure enough, with Flow Control enabled on the higher speed interface, I'm now getting 960Mbps on the lower speed GigE port.
I really, really wish I'd have tried that before ripping the house apart, and purchasing another 8-port 10GigE switch. Ah well. Lesson learned. Hopefully this will help someone else out in the future.
<RANT>
Coming from a commercial networking world, I'm surprised and a bit disappointed that the NETGEAR switch just doesn't "work" out of the box. Perhaps with a 10:1 port speed mismatch, flow control is the only solution.
</RANT>
– Dave
Flow control! It was always FLOW CONTROL.
After GPTing around looking for a solution, I decided to try enabling port-based flow control on the upstream (10Gbps) port, thinking perhaps, as I mentioned above, that I was experiencing buffer overflows downstream to the GigE port. Sure enough, with Flow Control enabled on the higher speed interface, I'm now getting 960Mbps on the lower speed GigE port.
I really, really wish I'd have tried that before ripping the house apart, and purchasing another 8-port 10GigE switch. Ah well. Lesson learned. Hopefully this will help someone else out in the future.
<RANT>
Coming from a commercial networking world, I'm surprised and a bit disappointed that the NETGEAR switch just doesn't "work" out of the box. Perhaps with a 10:1 port speed mismatch, flow control is the only solution.
</RANT>
– Dave
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