From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 26 Nov 2001 20:26:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 26 Nov 2001 20:26:08 -0500 Received: from A6f51.pppool.de ([213.6.111.81]:7944 "EHLO fireserver.worker") by vger.kernel.org with ESMTP id ; Mon, 26 Nov 2001 20:25:59 -0500 Message-ID: X-Mailer: XFMail 1.5.1 on Linux X-Priority: 3 (Normal) MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="_=XFMail.1.5.1.Linux:20011127022541:923=_" Date: Tue, 27 Nov 2001 02:25:42 +0100 (CET) From: Ralf Hoffmann To: linux-kernel@vger.kernel.org Subject: network stall for kernel 2.2.19 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This message is in MIME format --_=XFMail.1.5.1.Linux:20011127022541:923=_ Content-Type: text/plain; charset=iso-8859-1 Hi, This is my first post to this list and I'm unsure if this is the right place for my problem but I have read the FAQ and searched the archive without any result. At home I have a gateway-machine running kernel 2.2.19 which connects with ppp to the internet and masq my main machine running kernel 2.4.12. All the masq and forwarding stuff works great for most of the time. But while connected I sometimes get a network stall at the gateway. I cannot load any page, I always get a timeout. This only affects the gateway, not my client machine. While the gateway can't open any connection, everything works at my client! After a half hour (or so) without any action from me everything goes back to normal so also the gateway can make connections again. I made some tcpdumps which I have attached: The first "client-out1" is from "tcpdump -i ppp0" when running "lynx www.boomerangsworld.de" at the client machine. The page load is successful. The second "server-out1" show the ouput of tcpdump when trying to load the same page at the server. The third "server-out2" is the ouput when everything is normal at the server. I can't really read the tcpdump-output but what I notice is the missing "ack"! I think the forwarding/masq works in this situation so the client isn't affected, but something is wrong at the server. My configuration: Server: Pentium200MMX Slackware 7 Kernel 2.2.19 Client: PIII 800 Slackware 7 modified for Kernel 2.4 Kernel 2.4.12 Please ask for more information, I don't know what's important and what's not. Upgrade to Kernel 2.4 at the server isn't a choice. Perhaps this has nothing to do with the kernel network code, but any help is welcome, this problem is really annoying. And again, if this is the wrong place for my problem, please excuse me. Thanks in advance, Ralf Hoffmann P.S.: Please CC to me because I'm not subscribed to the list. --_=XFMail.1.5.1.Linux:20011127022541:923=_ Content-Disposition: attachment; filename="client-out1" Content-Transfer-Encoding: base64 Content-Description: client-out1 Content-Type: application/octet-stream; name=client-out1; SizeOnDisk=1490 MjI6NTM6NTYuMzAxNTkyIDIxMy42LjIyMC43MS42MTAzNyA+IDIxMi4yMjcuMjIwLjkzLnd3dzog UyA2NDM2MzIzNjk6NjQzNjMyMzY5KDApIHdpbiA1ODQwIDxtc3MgMTQ2MCxzYWNrT0ssdGltZXN0 YW1wIDE1MTkwODggMCxub3Asd3NjYWxlIDA+IChERikKMjI6NTM6NTYuNDY2MzQwIDIxMi4yMjcu MjIwLjkzLnd3dyA+IDIxMy42LjIyMC43MS42MTAzNzogUyA2Mjg5NDExODk6NjI4OTQxMTg5KDAp IGFjayA2NDM2MzIzNzAgd2luIDMyNzUyIDxtc3MgMTQ2MD4KMjI6NTM6NTYuNDc2ODM0IDIxMy42 LjIyMC43MS42MTAzNyA+IDIxMi4yMjcuMjIwLjkzLnd3dzogLiBhY2sgMSB3aW4gNTg0MCAoREYp CjIyOjUzOjU2LjQ3ODE1MyAyMTMuNi4yMjAuNzEuNjEwMzcgPiAyMTIuMjI3LjIyMC45My53d3c6 IFAgMTo3NjMoNzYyKSBhY2sgMSB3aW4gNTg0MCAoREYpCjIyOjUzOjU2LjczNjI5MCAyMTIuMjI3 LjIyMC45My53d3cgPiAyMTMuNi4yMjAuNzEuNjEwMzc6IC4gYWNrIDc2MyB3aW4gMzI3NTIgKERG KQoyMjo1Mzo1Ni44NzYyNzYgMjEyLjIyNy4yMjAuOTMud3d3ID4gMjEzLjYuMjIwLjcxLjYxMDM3 OiBQIDE6MjA2KDIwNSkgYWNrIDc2MyB3aW4gMzI3NTIgKERGKQoyMjo1Mzo1Ni44ODY5ODYgMjEz LjYuMjIwLjcxLjYxMDM3ID4gMjEyLjIyNy4yMjAuOTMud3d3OiAuIGFjayAyMDYgd2luIDY0MzIg KERGKQoyMjo1Mzo1Ny4xMTYyNzUgMjEyLjIyNy4yMjAuOTMud3d3ID4gMjEzLjYuMjIwLjcxLjYx MDM3OiAuIDIwNjoxNjY2KDE0NjApIGFjayA3NjMgd2luIDMyNzUyIChERikKMjI6NTM6NTcuMTE4 MjU2IDIxMy42LjIyMC43MS42MTAzNyA+IDIxMi4yMjcuMjIwLjkzLnd3dzogLiBhY2sgMTY2NiB3 aW4gODc2MCAoREYpCjIyOjUzOjU3LjI5NjMxMCAyMTIuMjI3LjIyMC45My53d3cgPiAyMTMuNi4y MjAuNzEuNjEwMzc6IC4gMTY2NjozMTI2KDE0NjApIGFjayA3NjMgd2luIDMyNzUyCjIyOjUzOjU3 LjI5ODMxNiAyMTMuNi4yMjAuNzEuNjEwMzcgPiAyMTIuMjI3LjIyMC45My53d3c6IC4gYWNrIDMx MjYgd2luIDExNjgwIChERikKMjI6NTM6NTcuMzQ2MzE0IDIxMi4yMjcuMjIwLjkzLnd3dyA+IDIx My42LjIyMC43MS42MTAzNzogUCAzMTI2OjM1NTgoNDMyKSBhY2sgNzYzIHdpbiAzMjc1MiAoREYp CjIyOjUzOjU3LjM0NzM3NyAyMTMuNi4yMjAuNzEuNjEwMzcgPiAyMTIuMjI3LjIyMC45My53d3c6 IC4gYWNrIDM1NTggd2luIDE0NjAwIChERikKMjI6NTM6NTcuMzU2MzA1IDIxMi4yMjcuMjIwLjkz Lnd3dyA+IDIxMy42LjIyMC43MS42MTAzNzogRiAzNTU4OjM1NTgoMCkgYWNrIDc2MyB3aW4gMzI3 NTIKMjI6NTM6NTcuMzY2OTkwIDIxMy42LjIyMC43MS42MTAzNyA+IDIxMi4yMjcuMjIwLjkzLnd3 dzogRiA3NjM6NzYzKDApIGFjayAzNTU5IHdpbiAxNDYwMCAoREYpCjIyOjUzOjU3LjUwNjM0OSAy MTIuMjI3LjIyMC45My53d3cgPiAyMTMuNi4yMjAuNzEuNjEwMzc6IC4gYWNrIDc2NCB3aW4gMzI3 NTEgKERGKQo= --_=XFMail.1.5.1.Linux:20011127022541:923=_ Content-Disposition: attachment; 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