Re: błąd serwera pppoe lub iptables ... ?

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#231868

From: Piotr Gackiewicz
Date: Wed, 19 Dec 2007 20:31

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Dnia Wed, 19 Dec 2007 14:45:50 +0100, bartmarian napisał(a):

> będę szczery i przyznam, że nie wiem jak to zinterpretować, log:
> 
> 11:31:22.026205 IP klient.2668 > 153.100.3.10.http: S
> 2055120303:2055120303(0) win 16384 <mss 1452,nop,no p,sackOK>

Nasluchuj na zewnetrznym interfejsie i zwroc uwage na mss.

ma byc:
mss <= mtu -8 -40 

8 bajtow to naglowek pppoe, 40 bajtow to naglowek tcp.

jesli wszedzie masz mtu=1500 na interfejsach, to z mss<=1452 bedzie 
dzialac,
tak jak na powyzszym przykladzie.

-- 
Piotr Gackiewicz
Intertele S.A. - operator systemów ITL.PL i DOMENY.ITL.PL
al. T. Rejtana 1, 35-326 Rzeszów
TEL: +48 17 8507580, FAX: +48 17 8520275, INFOLINIA: 0 801 335523

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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news2.icm.edu.pl!news.intertele.pl!not-for-mail
From: Piotr Gackiewicz <gacek@intertele.pl>
Newsgroups: pl.comp.os.linux.sieci
Subject: Re: błąd serwera pppoe lub iptables ... ?
Date: Wed, 19 Dec 2007 20:31:34 +0000 (UTC)
Organization: Intertele S.A. http://www.intertele.pl
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