Date: Sat, 28 Dec 2002 11:08:49 -0800 From: Eli Dart <dart@nersc.gov> To: Rostislav Krasny <rosti_bsd@yahoo.com> Cc: freeBSD-net@freebsd.org Subject: Re: PPPoE and troubles with TCP Message-ID: <20021228190849.7C27C3B1AE@gemini.nersc.gov> In-Reply-To: Message from Rostislav Krasny <rosti_bsd@yahoo.com> of "Fri, 27 Dec 2002 23:39:21 PST." <20021228073921.74807.qmail@web14809.mail.yahoo.com>
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--==_Exmh_1528770273P Content-Type: text/plain; charset=us-ascii In reply to Rostislav Krasny <rosti_bsd@yahoo.com> : > Thank you for your trying to help me. Your version of ppp.conf is very > similar to mine. I don't have LAN here, but only one box with FreeBSD > connected to the outside world through my ADSL modem. So ' set nat' and > ' set proxy' options are not required in my case. I don't use > ' set ifaddr' option because default arguments of it are good for me. > > I think that the source of my problem isn't in ppp.conf probably, > but somewhere in TCP. Nobody answered me how MTU == MRU == 1484 solves > my problem. Maybe there is a bug in TCP when MTU and MRU have some > unstandard value. When I use Win98SE in the same box and the same ADSL > modem with RASPPPOE driver of PPPoE I have no troubles when the MTU is > 1492 there. This is why I think the source of the problem is in TCP > implementation of FreeBSD. ppp have some dial with TCP, so maybe the > source of the problem is there but most likely not in ppp.conf Are you blocking ICMP for "security reasons?" If so, you can't do path mtu discovery, and tcp will break if it needs a smaller mtu (which it appears that you do). --eli > > __________________________________________________ > Do you Yahoo!? > Yahoo! Mail Plus - Powerful. Affordable. Sign up now. > http://mailplus.yahoo.com > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message --==_Exmh_1528770273P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: This is a comment. iD8DBQE+DfbBLTFEeF+CsrMRAiq6AKDk0hlOZGjwIzd2O+HBhmau4KbO0QCgjDbE IPSnIio994oZ1ufguiRbuTE= =A/In -----END PGP SIGNATURE----- --==_Exmh_1528770273P-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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