From owner-freebsd-bugs@FreeBSD.ORG Thu Oct 18 10:50:01 2007 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 87B2E16A419 for ; Thu, 18 Oct 2007 10:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 6D94F13C478 for ; Thu, 18 Oct 2007 10:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.1/8.14.1) with ESMTP id l9IAo1fS060699 for ; Thu, 18 Oct 2007 10:50:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.1/8.14.1/Submit) id l9IAo1XI060698; Thu, 18 Oct 2007 10:50:01 GMT (envelope-from gnats) Resent-Date: Thu, 18 Oct 2007 10:50:01 GMT Resent-Message-Id: <200710181050.l9IAo1XI060698@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, Klavs Klavsen Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BA9C716A418 for ; Thu, 18 Oct 2007 10:48:10 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id AF72113C447 for ; Thu, 18 Oct 2007 10:48:10 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.1/8.14.1) with ESMTP id l9IAlvtJ053379 for ; Thu, 18 Oct 2007 10:47:57 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.1/8.14.1/Submit) id l9IAlvRT053378; Thu, 18 Oct 2007 10:47:57 GMT (envelope-from nobody) Message-Id: <200710181047.l9IAlvRT053378@www.freebsd.org> Date: Thu, 18 Oct 2007 10:47:57 GMT From: Klavs Klavsen To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/117293: CARP interfaces causes packet loss 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: Thu, 18 Oct 2007 10:50:01 -0000 >Number: 117293 >Category: kern >Synopsis: CARP interfaces causes packet loss >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Oct 18 10:50:01 UTC 2007 >Closed-Date: >Last-Modified: >Originator: Klavs Klavsen >Release: 6.2-Release-p7 >Organization: >Environment: FreeBSD carptest01.example.dk 6.2-RELEASE-p7 FreeBSD 6.2-RELEASE-p7 #8: Tue Oct 16 16:11:14 CEST 2007 root@buildhost.example.dk:/usr/obj/usr/src/sys/ExampleFW i386 >Description: fping (and ping -f) pinging through the firewall, gives me a packet loss. fping in nagios, reports up to 55% packet loss :( - a ping -f gives me 1-3%, but bad enough :( pinging from the firewall itself, to one of the hosts, that packets are lost to (when pinging from other networks) does not give any packet loss. If I disable the CARP config in /etc/rc.conf.local, using the same firewall rules (except for changing the $if vars back to bge0/em0 etc.) the packet loss is gone. I did not have a backup (CARP wise) host running during my tests. >How-To-Repeat: Setup CARP. >Fix: >Release-Note: >Audit-Trail: >Unformatted: