On 7/3/23 12:59, Rachel Roth wrote:
> For the record, "API not working" is not exclusively about mediaopt
> settings. "API not working" also kills SFP DOM stats, something which
> is quite useful when troubleshooting with third-parties on the other
> side of your fibre link.
> When someone on the other side of the phone asks for "light levels",
> its rather nice to be able to give them an answer .... ;-)
Yeah, I understand. That is why my first e-mail only recommended a
copper-based solution if one insists on using the most recent firmware.
Then upon learning that autonegotiation is only a thing for Ethernet
over twisted pair, I revised the recommendation more conservatively to
only include SFP+ DAC solutions since I would not be surprised if X710
does not work on the most recent firmware for something like the
X710-T4L network interface adapter.
With something like the X710-DA2-more relevantly for the OP, the
X710-DA4-it definitely works, and "light levels" are obviously not a
thing. As a result, one might be able to get 10 Gbps if one is willing
to use a different controller (e.g., X520), use an older firmware for
X710, or use an X710 SFP+ DAC adapter in addition to using "amd fast,
not intel fast" CPU cores.
Of course as mentioned and likely known, SFP+ DAC may not be a
possibility if EMI is an issue, the runs are very long, or fiber is
forced upon you by the other end. If not though; then enjoy the cheaper,
equally performant, and less power hungry passive SFP+ DAC solution.
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