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Date:      Thu, 18 Jun 2020 19:43:22 -0400
From:      Chris Gordon <>
To:        Mel Pilgrim <>
Subject:   Re: RealTek 2.5 GbE (RTL8125) support?
Message-ID:  <>
In-Reply-To: <>
References:  <>

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> On Jun 18, 2020, at 10:40 AM, Mel Pilgrim =
<> 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.  =46rom some googling, this seems to be =
a common issue.  Replaced them all with some Intel em(4) NICs and things =
have been solid since. =20

Hope that helps.


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