Date: Fri, 31 Jan 1997 23:49:56 -0700 From: Warner Losh <imp@village.org> To: Brian Somers <brian@awfulhak.demon.co.uk> Cc: Terry Lambert <terry@lambert.org>, dk+@ua.net, shocking@mailbox.uq.edu.au, freebsd-hackers@freebsd.org Subject: Re: Setting MTU from userland ppp Message-ID: <E0vqZGu-0002bc-00@rover.village.org> In-Reply-To: Your message of "Thu, 30 Jan 1997 23:42:32 GMT." <199701302342.XAA20718@awfulhak.demon.co.uk> References: <199701302342.XAA20718@awfulhak.demon.co.uk>
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In message <199701302342.XAA20718@awfulhak.demon.co.uk> Brian Somers writes: : > > Don't use 256 as your MTU. (violates the RFC) : > : > Any chance of having the software *enforce* the RFC, then? : : I'll have a look at the RFC. It currently checks that 100 <= M[TR]U <= 2000. Can someone point out where in the RFCs it says that an MTU size of 256 is illegal? The closes that I've seen is a statement in the IP RFC that says that a remote side must be able to asssemble a packet of at least 576 bytes, but does not disallow smaller fragment sizes. Warner
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