From owner-freebsd-bugs@FreeBSD.ORG Wed May 3 23:20:20 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DF4D516A403 for ; Wed, 3 May 2006 23:20:20 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3EF9243D53 for ; Wed, 3 May 2006 23:20:18 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k43NKHt7004825 for ; Wed, 3 May 2006 23:20:17 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k43NKHGH004824; Wed, 3 May 2006 23:20:17 GMT (envelope-from gnats) Resent-Date: Wed, 3 May 2006 23:20:17 GMT Resent-Message-Id: <200605032320.k43NKHGH004824@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Keith Spencer Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4940A16A405 for ; Wed, 3 May 2006 23:10:34 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0593743D49 for ; Wed, 3 May 2006 23:10:34 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id k43NAVtb054475 for ; Wed, 3 May 2006 23:10:31 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id k43NAVVc054474; Wed, 3 May 2006 23:10:31 GMT (envelope-from nobody) Message-Id: <200605032310.k43NAVVc054474@www.freebsd.org> Date: Wed, 3 May 2006 23:10:31 GMT From: Keith Spencer To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: conf/96741: IP forwarding halts X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 May 2006 23:20:21 -0000 >Number: 96741 >Category: conf >Synopsis: IP forwarding halts >Confidential: no >Severity: serious >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed May 03 23:20:14 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Keith Spencer >Release: FreeBSD 6.0 Release >Organization: St Margaret Mary's College >Environment: FreeBSD spencer.waccwireless.org 6.0-RELEASE FreeBSD 6.0-RELEASE #0 Thu Nov 3 09:36:13 UTC 2005 root@x64.samsco.home:/usr/obj/usr/src/sys/GENERIC i386 >Description: Configured this machine (replicated problem on another identical machine) as a gateway in rc.conf. Included IPNat. Machine forwarded packets fine for 2 weeks. Used ifconfig command to adjust wi0 device settings adn machine suddenly stopped forwarding packets out. Local machine gateway routes were fine. local machine continued to access outside network no problem. Local LAN was able to access the gateway and all its services fine. Gateway would not forward though. IPNAT was checked and restarted. Machine was rebooted. The net.ipv4.forwarding environment variable seemed to have reset to 0 >How-To-Repeat: >Fix: Inserting an entry into sysctl.conf fixes the problem. >Release-Note: >Audit-Trail: >Unformatted: