Date: Tue, 23 Dec 1997 15:57:37 +0000 From: Brian Somers <brian@awfulhak.org> To: "Joe \"Marcus\" Clarke" <jmcla@ocala.cs.miami.edu> Cc: FreeBSD User Questions List <freebsd-questions@freebsd.org> Subject: Re: ppp mtu/mru Message-ID: <199712231557.PAA11050@awfulhak.demon.co.uk> In-Reply-To: Your message of "Mon, 22 Dec 1997 12:17:57 EST." <Pine.SGI.3.96.971222121609.13024A-100000@ocala.cs.miami.edu>
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> Man do I ask a lot of ppp questions or what? This is more of a question
> that a problem, though. I'm curious what the mtu/mru should be for ppp.
> It defaults to 1524, but ethernet is only 1500. The reason I'm asking
> is that I am forwarding packets from the ethernet to the ppp link, and I
> wondered if I'd gain better performance setting the mtu/mru on ppp to
> 1500. Any ideas?
The default's 1500, not 1524. If you enable LCP logging, you should
see that your ISP is requesting 1524. You can try
set mtu 1500
to force your ISP to use 1500, but your ISP may (wrongly) re-request
1524 - causing a REQ-NAK loop and an ultimate connection failure.
> Joe Clarke
>
--
Brian <brian@Awfulhak.org>, <brian@FreeBSD.org>, <brian@OpenBSD.org>
<http://www.Awfulhak.org>;
Don't _EVER_ lose your sense of humour....
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