Date: Tue, 24 Mar 1998 15:49:20 -0800 (PST) From: Tom <tom@sdf.com> To: Snob Art Genre <benedict@echonyc.com> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: ARP REQUEST question Message-ID: <Pine.BSF.3.95q.980324154625.20043B-100000@misery.sdf.com> In-Reply-To: <Pine.GSO.3.96.980324172229.1461A-100000@echonyc.com>
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On Tue, 24 Mar 1998, Snob Art Genre wrote: > On Tue, 24 Mar 1998, pratap singh wrote: > > > 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???? > > Probably. Also, let's say an ARP frame does get corrupted. Where do Ahh.. no. An error check is critical for ARP, as you will be using this information to locate a particular system. Thankfully, ethernet framing provides an error-check. > you report the error? Better just to wait for the request to get > retransmitted, which it will. Huh? Why would it get retransmitted? Some devices cache ARP entries for 2 hours, before making another request. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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