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Things That Affect NIC Cards' Performance?

Folks,

I have a laptop and a tower. And I use EtherCAT (through Ethernet port) on both. But I notice that if I unplug my cables on the tower, I loose a lot of frames, where as in the laptop I may not lose any frames at all when I disconnect an ethernet cable.

I have all my NIC set up to 100Mbps Full-Duplex, since this is the most optimal configuration for EtherCAT.

What are the factors that can make this work better on my laptop an not as good on my tower?

Can the following items affect? (you can add more items to the list as well)

1) The processor (I have an ARM board that uses two PRU to handle Ethernet related data, and I barely loose frames when there is an error…like a disconnected cable)

2) RAM?

3) Cache?


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