Ethernet ping times

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Nitram
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05 Oct 2019 17:55 - 05 Oct 2019 17:56 #147211 by Nitram

Ethernet ping times was created by Nitram

For info,

With a Mesa Ethernet board set up, is there a threshold for ping times to/from the board?

I don't have the board next to me ATM, but was pinging 64bits of data (from memory) and getting figures around the 0.4 ms mark on average with Deb Stretch and bundled preempt rt kernel.

With a 16 bit board, is it more reasonable to do this test using 16 bits of data to get better information?

Is this reasonable and perhaps even more importantly, is this a worthy metric of throughput to the machine worth worrying about?

Cheers,
Marty.

Last edit: 05 Oct 2019 17:56 by Nitram.

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tommylight
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05 Oct 2019 18:59 #147216 by tommylight

Replied by tommylight on topic Ethernet ping times

Ethernet bits and computer ( processor, memory etc ) bits are not the same thing, and it has no relevance to what you are trying to figure out.
Ethernet can handle much bigger packet sizes. I remember the time when you could ping a windows 2000 computer with a single packet over 2kB and it completely freeze, only hard reset would bring it back to life. Oh happy days !