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Re: Turning off CRC check in NIC

To: netdev@xxxxxxxxxxx
Subject: Re: Turning off CRC check in NIC
From: chuckw@xxxxxxxx
Date: Tue, 13 Nov 2001 21:28:05 -0500
In-reply-to: <20011110134559.A19083@xxxxxxxxxxxxxxxxxxx>; from ctor@xxxxxxxxxxxxxxxxxxxxxxxxxxx on Sat, Nov 10, 2001 at 01:45:59PM +0100
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On Sat, Nov 10, 2001 at 01:45:59PM +0100, Carl-Johan Bostorp wrote:
> Hello,
> I want to turn off the CRC check on ethernet frames and pass every packet up 
> to the kernel. I have an eepro100, so I mailed Intel about it and asked for 
> specs. The reply I got was that the kernel may actually rely on the NIC doing 
> this check.
> So, what's the deal? What effects will there be if the NIC starts passing 
> everything up to the kernel?
> -- 
> ~~~<*>~~~
> Web:            ICQ: 3534707
> PGP: 0xA6B5C43B                                       IRCnet: ctor
> ~~~<*>~~~

I would think there would be many problems with this.  One being
that the protocol field may be mangled, then the kernel wouldn't 
know what to do with the packet.


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