From owner-freebsd-doc@FreeBSD.ORG Mon Nov 5 19:50:01 2012 Return-Path: Delivered-To: freebsd-doc@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id B619D9A6 for ; Mon, 5 Nov 2012 19:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 701C08FC08 for ; Mon, 5 Nov 2012 19:50:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id qA5Jo17q040630 for ; Mon, 5 Nov 2012 19:50:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id qA5Jo1lM040629; Mon, 5 Nov 2012 19:50:01 GMT (envelope-from gnats) Resent-Date: Mon, 5 Nov 2012 19:50:01 GMT Resent-Message-Id: <201211051950.qA5Jo1lM040629@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-doc@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Mateusz Kwiatkowski Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D26898F4 for ; Mon, 5 Nov 2012 19:43:53 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id B68158FC12 for ; Mon, 5 Nov 2012 19:43:53 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.5/8.14.5) with ESMTP id qA5Jhrql060738 for ; Mon, 5 Nov 2012 19:43:53 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.5/8.14.5/Submit) id qA5Jhri6060737; Mon, 5 Nov 2012 19:43:53 GMT (envelope-from nobody) Message-Id: <201211051943.qA5Jhri6060737@red.freebsd.org> Date: Mon, 5 Nov 2012 19:43:53 GMT From: Mateusz Kwiatkowski To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: docs/173405: Undocumented feature of ifconfig (reading configuration from rc.conf) X-BeenThere: freebsd-doc@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Nov 2012 19:50:01 -0000 >Number: 173405 >Category: docs >Synopsis: Undocumented feature of ifconfig (reading configuration from rc.conf) >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: doc-bug >Submitter-Id: current-users >Arrival-Date: Mon Nov 05 19:50:00 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Mateusz Kwiatkowski >Release: 9.0-RELEASE >Organization: Atlashost >Environment: FreeBSD gw-5 9.0-RELEASE FreeBSD 9.0-RELEASE #1: Wed May 23 23:28:34 CEST 2012 root@gw-5:/usr/obj/usr/src/sys/NPHXGW amd64 >Description: If configuration for NIC exists in /etc/rc.conf, ifconfig automatically configures interface when created. >How-To-Repeat: 1. Create configuration in /etc/rc.conf for non existing NIC: vlans_em0="181" ifconfig_em0_181="inet6 2001:123:0:0::e001:121/126" 2. Bring up interface manually: ifconfig em0.181 create 3. Interface is created with IP from rc.conf: # ifconfig em0.181 em0.181: flags=8843 metric 0 mtu 1500 options=3 ether 52:54:00:74:bd:1b inet6 2001:123:0:0::e001:121 prefixlen 126 duplicated inet6 fe80::5054:ff:fe74:bd1b%em0.181 prefixlen 64 scopeid 0x4 nd6 options=21 media: Ethernet autoselect (1000baseT ) status: active vlan: 181 parent interface: em0 This works both for IPv4 and IPv6. >Fix: This feature should be documented in ifconfig(8) manual. >Release-Note: >Audit-Trail: >Unformatted: