Date: Tue, 19 May 1998 21:32:39 -0400 (EDT) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Bill Trost <trost@cloud.rain.com> Cc: current@FreeBSD.ORG Subject: Re: fast forwarding patches Message-ID: <199805200132.VAA22737@khavrinen.lcs.mit.edu> In-Reply-To: <15774.895617911@cloud.rain.com> References: <199805191600.SAA09893@labinfo.iet.unipi.it> <15774.895617911@cloud.rain.com>
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<<On Tue, 19 May 1998 15:45:11 -0700, Bill Trost <trost@cloud.rain.com> said: > AFAIK, the only link layer that does not performing checksumming packets > in their entirety is SLIP. Don't run both SLIP and fast forwarding and > everything should be fine. The purpose of the IP header checksum (and also the transport checksum) is principally NOT to guard against link errors -- indeed, it is entirely insufficient for that. Rather, it is intended to guard against logical errors which cause packets to be corrupted while in host memory. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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