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Date:      Fri, 13 Jul 2018 16:06:29 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 229727] On install, Broadcom chipset doesn't receive DHCPOFFER
Message-ID:  <bug-229727-7501-tmro9NLHW0@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-229727-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-229727-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229727

--- Comment #6 from Rodney W. Grimes <rgrimes@FreeBSD.org> ---
I just noted this in your original report:
    The light on the workgroup switch shows a 1GBit link,
    but will turn off and on again occasionally.
    (Some form of reset seems to be going on.)
That is indicative of a NIC reset and re-negotiate, that can cause the
switch to be deaf/mute on that port until it redoes STP.  Please if you can
turn STP off on the port of the machine having issues.

I also would like to ask:
Are you using the PXE client in the broadcom BIOS?
Are you using any VLAN taggging stuff?
Is this NIC in use as a shared IPMI device?

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