From owner-freebsd-net@FreeBSD.ORG Wed Nov 21 18:00:28 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BAEC71BA for ; Wed, 21 Nov 2012 18:00:28 +0000 (UTC) (envelope-from yanegomi@gmail.com) Received: from mail-oa0-f54.google.com (mail-oa0-f54.google.com [209.85.219.54]) by mx1.freebsd.org (Postfix) with ESMTP id 7DAB48FC29 for ; Wed, 21 Nov 2012 18:00:28 +0000 (UTC) Received: by mail-oa0-f54.google.com with SMTP id n9so9408533oag.13 for ; Wed, 21 Nov 2012 10:00:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=JH8rWIJBwJwJvufJpMb9UpEd+/crINTkElDI62aOu3w=; b=iyRcSdnrav2k6TwiU0O6qL5568xE/TLLSQAj8V45KrQ+I5SjCBj4SebLVrpmuYCKoD wwpTxbZy9FN9eDyi16dNEajPjX+rBkkyHw+GkVj2usxxwdAmOnqR12s5SoNhBoaT4Z/l a8v8Rfl8OmiwOPh+Txw71NbABAAzxwox11Kiicgf9yN/OfrtkxWPWXO3AX0umsKoMbUL 8ftO9Dsl0nUBz9/VD+mgfGn5fmA0IOUdWqDTI24EWPuUUw+6efRGtr7/OwbsYI1VXXdT yHDan4QvRCwpZ8704UGewx2QKLlVXk48ntOXwttlWfFN6LjP1tfpLCUUdQnqUo3JXIeF utVA== MIME-Version: 1.0 Received: by 10.60.172.178 with SMTP id bd18mr8384541oec.133.1353520827771; Wed, 21 Nov 2012 10:00:27 -0800 (PST) Received: by 10.76.143.33 with HTTP; Wed, 21 Nov 2012 10:00:27 -0800 (PST) Date: Wed, 21 Nov 2012 10:00:27 -0800 Message-ID: Subject: net.inet6.icmp6.nd6_useloopback - what is it supposed to do? From: Garrett Cooper To: freebsd-net@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Nov 2012 18:00:28 -0000 Hi, I've been TAHI testing FreeBSD 7.x sources for the past couple months and over the course of my testing via the TAHI IPv6 conformance test, I changed the knob value from net.inet6.icmp6.nd6_useloopback=1 -> net.inet6.icmp6.nd6_useloopback=0 and ran into a slew of errors with the addr.p2 phase-1 TAHI tests. I was wondering if someone could describe what the beforementioned sysctl is supposed to do from a functional perspective, how it might tie into other IPv6 RFCs (if applicable), and if disabled how it would affect a system with IPv6 enabled. Thanks, -Garrett