From owner-freebsd-net@FreeBSD.ORG Tue Jan 12 21:36:07 2010 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 99DDB106568D for ; Tue, 12 Jan 2010 21:36:07 +0000 (UTC) (envelope-from Brett.Lee@Sun.COM) Received: from brmea-mail-4.sun.com (brmea-mail-4.Sun.COM [192.18.98.36]) by mx1.freebsd.org (Postfix) with ESMTP id 690608FC41 for ; Tue, 12 Jan 2010 21:36:07 +0000 (UTC) Received: from fe-amer-10.sun.com ([192.18.109.80]) by brmea-mail-4.sun.com (8.13.6+Sun/8.12.9) with ESMTP id o0CLa77l015278 for ; Tue, 12 Jan 2010 21:36:07 GMT MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII; format=flowed Received: from conversion-daemon.mail-amer.sun.com by mail-amer.sun.com (Sun Java(tm) System Messaging Server 7u2-7.04 64bit (built Jul 2 2009)) id <0KW500D00KA6JM00@mail-amer.sun.com> for freebsd-net@freebsd.org; Tue, 12 Jan 2010 14:36:07 -0700 (MST) Received: from [192.168.1.11] ([unknown] [10.80.64.1]) by mail-amer.sun.com (Sun Java(tm) System Messaging Server 7u2-7.04 64bit (built Jul 2 2009)) with ESMTPSA id <0KW5000AMLC4P300@mail-amer.sun.com> for freebsd-net@freebsd.org; Tue, 12 Jan 2010 14:36:04 -0700 (MST) Date: Tue, 12 Jan 2010 14:36:01 -0700 From: Brett Lee Sender: Brett.Lee@Sun.COM To: freebsd-net@freebsd.org Message-id: <4B4CEB41.3000805@Sun.COM> User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) Subject: How to enable IPv6 on a subset of interfaces 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: Tue, 12 Jan 2010 21:36:07 -0000 Hello, Using FreeBSD 8.0-RELEASE, and am trying variations in /etc/rc.conf in an attempt to enable IPv6 on ONLY one of the systems two interfaces. Specifically, em0 should be enabled IPv4 DHCP, and bge0 should be enabled IPv6 only. From the KAME link below, and the files /etc/network.subr and /etc/defaults/rc.conf, am reading that "ipv6_network_interface" should work; however the following still results in em0 obtaining IPv6 addresses: http://www.kame.net/~suz/freebsd-ipv6-config-guide.txt ifconfig_em0="DHCP" ipv6_enable="YES" ipv6_network_interface="bge0" ipv6_network_interfaces="bge0" In another attempt (see link below), it looks like "ifconfig_em0" may support a "NOIPV6" param, but in practice it doesn't seem to work for me: http://lists.freebsd.org/pipermail/freebsd-rc/2007-May/001106.html ifconfig_em0="DHCP NOIPV6" ipv6_enable="YES" #ipv6_network_interface="bge0" #ipv6_network_interfaces="bge0" Am hopeful that someone might point out how I could enable this configuration. Thanks in advance! -Brett