From owner-freebsd-hackers  Tue Mar 24 14:32:37 1998
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To: "pratap singh" <v_pr@hotmail.com>
cc: freebsd-hackers@FreeBSD.ORG
Subject: Re: ARP REQUEST question 
In-reply-to: Your message of "Tue, 24 Mar 1998 14:04:47 PST."
             <19980324220447.14324.qmail@hotmail.com> 
From: David Greenman <dg@root.com>
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Date: Tue, 24 Mar 1998 14:25:08 -0800
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>Hi all gurus of Networking,
>I have a basic doubt. Every layer has a cehcksum being calculated 
>whereas the ARP frame does not have. Can anyone throw light on this
>please. Is it because the ARP packets donot traverse the LAN boundary 
>and error rates in LAN environment are very low compared to the WAN 
>error rates???? 

   All ethernet packets have a 32bit CRC, so the arps are protected by that.

-DG

David Greenman
Core-team/Principal Architect, The FreeBSD Project

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