From owner-freebsd-pf@FreeBSD.ORG Thu Sep 16 04:12:31 2004 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 674) id 72D1116A4CF; Thu, 16 Sep 2004 04:12:31 +0000 (GMT) Delivered-To: mlaier@vampire.homelinux.org Received: (qmail 69284 invoked by alias); 17 Aug 2004 09:01:12 -0000 Delivered-To: unirz@vampire.homelinux.org Received: (qmail 69281 invoked from network); 17 Aug 2004 09:01:12 -0000 Received: from mailstud.rz.uni-karlsruhe.de (129.13.185.210) by p54808668.dip.t-dialin.net with SMTP; 17 Aug 2004 09:01:12 -0000 Received: from spamstud.rz.uni-karlsruhe.de (spamstud.rz.uni-karlsruhe.de [129.13.185.237]) by mailstud.rz.uni-karlsruhe.de with esmtp (Exim 4.34 #1) id 1Bwzrp-0005BK-TJ for max.laier@stud.uni-karlsruhe.de; Tue, 17 Aug 2004 11:02:53 +0200 Received: from localhost (exim@[127.0.0.1]) by spamstud.rz.uni-karlsruhe.de with spam-scanned (Exim 4.34 #1) id 1Bwzrp-0005Dm-P9 for max.laier@stud.uni-karlsruhe.de; Tue, 17 Aug 2004 11:02:53 +0200 Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.173]) by spamstud.rz.uni-karlsruhe.de with esmtp (Exim 4.34 #1) id 1Bwzrp-0005Db-Mp for max.laier@stud.uni-karlsruhe.de; Tue, 17 Aug 2004 11:02:53 +0200 Received: from [212.227.126.139] (helo=mxng12.kundenserver.de) by moutng.kundenserver.de with esmtp (Exim 3.35 #1) id 1Bwzrq-0004j5-00 for max.laier@stud.uni-karlsruhe.de; Tue, 17 Aug 2004 11:02:54 +0200 Received: from [206.53.239.180] (helo=turing.freelists.org) by mxng12.kundenserver.de with esmtp (Exim 3.35 #1) id 1Bwzrp-0006Is-00 for max@love2party.net; Tue, 17 Aug 2004 11:02:53 +0200 Received: from localhost (localhost [127.0.0.1])ESMTP id 6E9D372C21F; Tue, 17 Aug 2004 04:02:14 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 28656-37; Tue, 17 Aug 2004 04:02:14 -0500 (EST) Received: from turing (localhost [127.0.0.1])ESMTP id A3E0B72C42C; Tue, 17 Aug 2004 04:02:13 -0500 (EST) Received: with ECARTIS (v1.0.0; list pf4freebsd); Tue, 17 Aug 2004 04:01:56 -0500 (EST) X-Original-To: pf4freebsd@freelists.org Delivered-To: pf4freebsd@freelists.org Received: from localhost (localhost [127.0.0.1])ESMTP id 5269E72C21F for ; Tue, 17 Aug 2004 04:01:56 -0500 (EST) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 29080-11 for ; Tue, 17 Aug 2004 04:01:56 -0500 (EST) Received: from smtp02.net-yan.com (smtp02.hgcbroadband.com [210.0.255.157]) ESMTP id 05CF572C0E7 for ; Tue, 17 Aug 2004 04:01:55 -0500 (EST) Received: (qmail 70399 invoked from network); 17 Aug 2004 09:02:30 -0000 Received: from unknown (HELO [192.168.4.129]) (samwun@hgcbroadband.com@[221.127.107.11]) (envelope-sender ) by localhost (qmail-ldap-1.03) with SMTP for ; 17 Aug 2004 09:02:30 -0000 Message-ID: <4121C8A1.40304@hgdbroadband.com> From: sam User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040616 X-Accept-Language: en-us, en MIME-Version: 1.0 To: pf4freebsd@freelists.org References: <200408052130.51026.max@love2party.net> <200408161934.23219.max@love2party.net> <4120F693.8080305@hgdbroadband.com> <200408162008.20768.max@love2party.net> <4121772A.9020703@hgdbroadband.com> <20040817034647.GA4488@kt-is.co.kr> <4121A8E0.8040806@hgdbroadband.com> <4121B403.2020400@hgdbroadband.com> In-Reply-To: <4121B403.2020400@hgdbroadband.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at freelists.org X-archive-position: 418 X-ecartis-version: Ecartis v1.0.0 Sender: pf4freebsd-bounce@freelists.org Errors-To: pf4freebsd-bounce@freelists.org X-original-sender: samwun@hgdbroadband.com Precedence: normal X-list: pf4freebsd X-Virus-Scanned: by amavisd-new at freelists.org X-Provags-Forward: max@love2party.net -> max.laier@stud.uni-karlsruhe.de X-Scan-Signature: 2d3f8b8a7a0f9740bc8c462694134b1b X-Spam-Checker-Version: SpamAssassin 2.61 (1.212.2.1-2003-12-09-exp) on mail6.rz.uni-karlsruhe.de X-Spam-Status: No, hits=-0.6 required=7.0 tests=BAYES_01 autolearn=no version=2.61 X-Spam-Level: X-UID: 524 X-Length: 5338 X-Mailman-Approved-At: Thu, 16 Sep 2004 04:12:48 +0000 Subject: [pf4freebsd] why multiple CARP groups X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.1 Reply-To: pf4freebsd@freelists.org List-Id: Technical discussion and general questions about packet filter (pf) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Thu, 16 Sep 2004 04:12:31 -0000 X-Original-Date: Tue, 17 Aug 2004 16:58:09 +0800 X-List-Received-Date: Thu, 16 Sep 2004 04:12:31 -0000 Hi, I need to get adviced by someone for the usage of CARP+pfsync. With the BIG example as described in the following page: http://www.countersiege.com/doc/pfsync-carp/#big I don't understand why create a different CARP group for each application server instead of using only one CARP interface for 4 internal application servers is better. With only one CARP address for 4 application servers, traffic still can be redirected to another app server if one is died. Unless one CARP address is not efficient. Can anyone please explain the difference using multiple CARP groups instead of one CARP address? Thanks sam