Date: Sun, 21 Jun 1998 20:51:56 -0700 (PDT) From: Jim Shankland <jas@flyingfox.com> To: jamie@itribe.net, opsys@mail.webspan.net Cc: hackers@FreeBSD.ORG Subject: Re: TweakDUN Message-ID: <199806220351.UAA09237@biggusdiskus.flyingfox.com>
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Jamie Bowden <jamie@itribe.net> writes: > The reason you lower MTU and MRU on modem links is the problem with > your media. It's unreliable to transmit large packets cleanly. 576 > is probably too low, but keeps your retransmit levels to a bare > minimum. Line noise on modems is an unfortunate reality. ... and error-correcting modems are a fortunate reality. It's been an awfully long time since I've seen an environment where "it's unreliable to transmit large packets cleanly." More precisely, where that's the case, it gets fixed up at layer 2. Jim Shankland Flying Fox Computer Systems, Inc. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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