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Date:      Thu, 17 Apr 2003 17:19:04 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        David Gilbert <dgilbert@velocet.ca>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: vlan0 on em0 has mtu 1496
Message-ID:  <20030418001904.GA23983@Odin.AC.HMC.Edu>
In-Reply-To: <16031.17219.159093.279782@canoe.velocet.net>
References:  <16031.17219.159093.279782@canoe.velocet.net>

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On Thu, Apr 17, 2003 at 08:13:55PM -0400, David Gilbert wrote:
> Why does a vlan created against em0 have a mtu of 1496.

Because the vlan header takes up 4 bytes.  With em(4) devices it looks
like fixing that should be a simple matter of raising the real
interface's MTU to 1504.

-- Brooks

--=20
Any statement of the form "X is the one, true Y" is FALSE.
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