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Date:      Sun, 30 May 2021 03:49:18 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 230996] em/igb: Intel i210/i350: ifconfig: enabling "vlanhwtag" renders VLAN on i210/i350 NICs unusable
Message-ID:  <bug-230996-7501-V2UMYMRhu1@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-230996-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-230996-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230996

--- Comment #32 from Jason Tubnor <jason@tubnor.net> ---
Bert,

Through further investigation on how interfaces behave in a VLAN/non-VLAN s=
tage
where bridges are concerned, I have found the following interface adjustmen=
t in
rc.conf remediated the issue (however, the driver should automagically do t=
his
for the user):

ifconfig_igb0=3D"-txcsum -txcsum6 -lro -tso up"

Adjust for your specific interface.

Can you try that and report back?

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