netdev - Re: Jumbo frame question...

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Message-Id: <20090724.093243.201296391.davem@davemloft.net>
Date:	Fri, 24 Jul 2009 09:32:43 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rgetz@...ckfin.uclinux.org
Cc:	netdev@...r.kernel.org
Subject: Re: Jumbo frame question...

From: Robin Getz <rgetz@...ckfin.uclinux.org>
Date: Fri, 24 Jul 2009 11:41:55 -0400

> Should a gigabit card, configured as 100, be sending jumbo UDP frames?
> 
> My understanding, is no - this is a spec violation..

There is nothing wrong with supporting jumbo frames
when the speed is lower than 1GB.

If you configure the MTU to be jumbo size, it should
be no surprise to you that this is what gets used.
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