From owner-freebsd-net@FreeBSD.ORG Fri Jun 27 22:27:53 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 112A1106564A for ; Fri, 27 Jun 2008 22:27:53 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from mail12.syd.optusnet.com.au (mail12.syd.optusnet.com.au [211.29.132.193]) by mx1.freebsd.org (Postfix) with ESMTP id A68D48FC17 for ; Fri, 27 Jun 2008 22:27:52 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from server.vk2pj.dyndns.org (c122-106-215-175.belrs3.nsw.optusnet.com.au [122.106.215.175]) by mail12.syd.optusnet.com.au (8.13.1/8.13.1) with ESMTP id m5RMRdsF013465 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 28 Jun 2008 08:27:50 +1000 Received: from server.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by server.vk2pj.dyndns.org (8.14.2/8.14.2) with ESMTP id m5RMRdYI027262; Sat, 28 Jun 2008 08:27:39 +1000 (EST) (envelope-from peter@server.vk2pj.dyndns.org) Received: (from peter@localhost) by server.vk2pj.dyndns.org (8.14.2/8.14.2/Submit) id m5RMRcYv027261; Sat, 28 Jun 2008 08:27:38 +1000 (EST) (envelope-from peter) Date: Sat, 28 Jun 2008 08:27:38 +1000 From: Peter Jeremy To: Giulio Ferro Message-ID: <20080627222738.GD50631@server.vk2pj.dyndns.org> References: <486000B5.9090703@zirakzigil.org> <4862B2AF.70202@zirakzigil.org> <48630AA3.3000800@ibctech.ca> <4863F6B3.4020308@zirakzigil.org> <20080627072301.GZ50631@server.vk2pj.dyndns.org> <486554CC.8050609@zirakzigil.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="fckbADODYWZD5TdN" Content-Disposition: inline In-Reply-To: <486554CC.8050609@zirakzigil.org> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-net@freebsd.org 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 22:27:53 -0000 --fckbADODYWZD5TdN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2008-Jun-27 22:59:56 +0200, Giulio Ferro wrote: >Peter Jeremy wrote: >> 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. >> =20 >I have bad news for you all: this doesn't seem to happen for alias >interfaces. I've just tried to replicate what happened days >ago. I've verified that only the base (non alias) interface sends >proper is-at messages. The aliases don't.... I'm not seeing this on physical interfaces. I can't immediately verify this on VLAN interfaces but could at work next week. Adding 192.168.123.253 as an alias on FreeBSD 7.0-STABLE (mid May): 08:21:39.899113 00:0f:b0:74:9c:a3 > ff:ff:ff:ff:ff:ff, ethertype ARP (0x080= 6), length 42: arp who-has 192.168.123.253 tell 192.168.123.253 Adding 192.168.123.253 as an alias on FreeBSD 6.3-PRERELEASE: 08:24:21.077266 00:12:0e:20:2b:ad > ff:ff:ff:ff:ff:ff, ethertype ARP (0x080= 6), length 42: arp who-has 192.168.123.253 tell 192.168.123.253 --=20 Peter Jeremy Please excuse any delays as the result of my ISP's inability to implement an MTA that is either RFC2821-compliant or matches their claimed behaviour. --fckbADODYWZD5TdN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) iEYEARECAAYFAkhlaVoACgkQ/opHv/APuIc4AQCfej57A8ExjRk6KRGA2yZmxS1f Sh8AoK8ND7FdU/7wTajQkyX4hnVgDFc0 =D83f -----END PGP SIGNATURE----- --fckbADODYWZD5TdN--