From owner-freebsd-pf@FreeBSD.ORG Fri Nov 6 16:23:43 2009 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B70131065670 for ; Fri, 6 Nov 2009 16:23:43 +0000 (UTC) (envelope-from CatalinM@starcomms.com) Received: from webmail.starcomms.com (webmail.starcomms.com [41.205.191.5]) by mx1.freebsd.org (Postfix) with SMTP id 207668FC0C for ; Fri, 6 Nov 2009 16:23:42 +0000 (UTC) Received: from STA-HQ-S001.starcomms.local ([172.16.2.28]) by webmail.starcomms.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 6 Nov 2009 17:23:17 +0100 X-MIMEOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Fri, 6 Nov 2009 17:23:14 +0100 Message-ID: <3A0AA7018522134597ED63B3B794C92A0702E0A4@STA-HQ-S001.starcomms.local> In-Reply-To: <-3431979369893017739@unknownmsgid> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Question about round robin Thread-Index: Acpe/KUEGy8h8b97TJCsECmAwd5YMgAAGdGw References: <00a201ca5ef6$7a4f3ee0$6eedbca0$@com> <-3431979369893017739@unknownmsgid> From: "Catalin Miclaus" To: "no name" , "Kevin" X-OriginalArrivalTime: 06 Nov 2009 16:23:17.0437 (UTC) FILETIME=[728276D0:01CA5EFD] X-NAIMIME-Disclaimer: 1 X-NAIMIME-Modified: 1 Cc: freebsd-pf@freebsd.org Subject: RE: Question about round robin X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Nov 2009 16:23:43 -0000 As workaround you can write a script to check availability and update pf = config accordingly that you can run from cron every minute. Catalin Miclaus I ISP/Data Team Starcomms Plc. -----Original Message----- From: owner-freebsd-pf@freebsd.org [mailto:owner-freebsd-pf@freebsd.org] = On Behalf Of no name Sent: Friday, November 06, 2009 4:52 PM To: Kevin Cc: freebsd-pf@freebsd.org Subject: Re: Question about round robin i am not quite sure but i assume pf does no availabililtty checks as responses from systems behind an address might take too long... - regards Am 06.11.2009 um 16:34 schrieb "Kevin" : > Hello, > > > > I am curious about simple round robin load balancing w/ PF. I see > how simple > it is to setup within the FreeBSD configuration file, but have a > fairly > simple question. > > Does PF detect if one of the addresses in the "pool" is not > responsive? Or > does it just blindly send traffic to all the addresses in the pool > regardless? Is there some sort of heartbeat functionality or status > check > perhaps? Has anyone accomplished something along these lines? Load > balancing > would be pretty useless if I couldn't take a server out of the pool > without > having to re-configure PF every time. > > > Any comments are appreciated! > > > Thanks, > > > Kevin > www.stardothosting.com > > > > _______________________________________________ > freebsd-pf@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-pf > To unsubscribe, send any mail to "freebsd-pf-unsubscribe@freebsd.org" _______________________________________________ freebsd-pf@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-pf To unsubscribe, send any mail to "freebsd-pf-unsubscribe@freebsd.org" DISCLAIMER: The information contained in this message (including any atta= chments) is confidential and may be privileged. If you have received it b= y mistake please notify the sender by return e-mail and permanently delet= e this message and any attachments from your system. Any form of dissemin= ation, use, review, distribution, printing or copying of this message in = whole or in part is strictly prohibited if you are not the intended recip= ient of this e-mail. Please note that e-mails are susceptible to change. = STARCOMMS PLC shall not be liable for the improper or incomplete transmis= sion of the information contained in this communication nor for any delay= in its receipt or damage to your system. STARCOMMS PLC does not guarante= e that the integrity of this communication has been maintained or that th= is communication is free of viruses, interceptions or interferences. STAR= COMMS PLC reserves the right to monitor all e-mail communications, whethe= r related to the business of STARCOMMS or not, through its internal or ex= ternal networks.