On 7/1/23 18:26, Zack Newman wrote:
> As Rachel pointed out, OpenBSD 7.3 does not work with the API of that
> NIC when the newest firmware is flashed. Not sure what the most recent
> version of firmware that has a working API is, but it is not a problem
> for me since autonegotiation works just fine. If you don't require very
> long runs and EMI is not an issue, then you should be fine with the
> copper solution.
Ah, I was unaware that autonegotiation was only a thing for Ethernet
over twisted pair; so my setup did not rely on autonegotiation which
makes it even less surprising that my setup works. 10 Gigabit Ethernet
only works in full-duplex, and the SFP+ DAC Twinax cables only work for
one speed (i.e., 10 Gbps). As a result, there is not much to "negotiate"
anyway. In summary if 10GSFP+Cu is acceptable, then you shouldn't worry
about the API not working on OpenBSD.
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