RealTek 2.5 GbE (RTL8125) support?

Mel Pilgrim list_freebsd at
Thu Jun 25 02:08:12 UTC 2020

On 2020-06-18 16:43, Chris Gordon wrote:
>> On Jun 18, 2020, at 10:40 AM, Mel Pilgrim
>> <list_freebsd at> wrote:
>> Are RealTek 2.5 GbE NICs () supported?  I don't see RLT8125 parts
>> listed in if_re(4) or if_re.c, and that appears to be the only
>> driver for RealTek gigabit NICs?
> I don't know if that specific chipset is supported, but based on
> experience with re(4) 1 Gbps NICs, I would avoid it like the plague.
> I have several home "servers" with on board re(4) NICs (disabled in
> firmware now, so I can't get the specific chipset).  I would have
> random connectivity problems such as samba shares randomly
> disappearing or systems becoming unresponsive over the network,
> especially during a file transfer (size didn't matter).  While
> annoying, I never spent the time to get to the bottom of it.  One day
> I actually paid some attention to /var/log/messages and saw frequent,
> random link state changes (DOWN then UP) across all of the machines.
> From some googling, this seems to be a common issue.  Replaced them
> all with some Intel em(4) NICs and things have been solid since.
> Hope that helps.

I appreciate your feedback, but I'm not sure how complaining about other 
hardware is answering whether or not this one is supported?

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