From owner-freebsd-net@FreeBSD.ORG Fri Jun 27 12:33:30 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1E9551065675 for ; Fri, 27 Jun 2008 12:33:30 +0000 (UTC) (envelope-from steve@ibctech.ca) Received: from ibctech.ca (v6.ibctech.ca [IPv6:2607:f118::b6]) by mx1.freebsd.org (Postfix) with SMTP id B42F28FC17 for ; Fri, 27 Jun 2008 12:33:29 +0000 (UTC) (envelope-from steve@ibctech.ca) Received: (qmail 69301 invoked by uid 89); 27 Jun 2008 12:34:41 -0000 Received: from unknown (HELO ?IPv6:2607:f118::5?) (steve@ibctech.ca@2607:f118::5) by 2607:f118::b6 with ESMTPA; 27 Jun 2008 12:34:41 -0000 Message-ID: <4864DE21.2030109@ibctech.ca> Date: Fri, 27 Jun 2008 08:33:37 -0400 From: Steve Bertrand User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Peter Jeremy References: <486000B5.9090703@zirakzigil.org> <4862B2AF.70202@zirakzigil.org> <48630AA3.3000800@ibctech.ca> <4863F6B3.4020308@zirakzigil.org> <20080627072301.GZ50631@server.vk2pj.dyndns.org> In-Reply-To: <20080627072301.GZ50631@server.vk2pj.dyndns.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org, Giulio Ferro Subject: Re: SOLVED (was Re: Problem clarification (was: Problems with vlan + carp + alias)) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jun 2008 12:33:30 -0000 Peter Jeremy wrote: > On 2008-Jun-26 22:06:11 +0200, Giulio Ferro wrote: >> I guess what I could do was to "poison" their arp cache for each >> address with a "is-at" message. Is there a way to force the sending >> of these messages for all the addresses of an interface? > > The kernel should send out gratuitous ARP requests whenever you assign > an address to an interface. You could confirm that this is happening > by tcpdumping the interface whilst you add aliases. > > Rummaging around in ports, you might find net/arping or net/p5-Net-ARP > useful if you want to manually generate gratuitous ARP requests. ping -S src_addr should do the trick too, however, that obviously doesn't scale very well, so it's probably only best to test with.. Steve