From owner-freebsd-net@FreeBSD.ORG Thu Feb 9 14:13:14 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4574916A420 for ; Thu, 9 Feb 2006 14:13:14 +0000 (GMT) (envelope-from bv@bilver.wjv.com) Received: from wjv.com (fl-65-40-24-38.sta.sprint-hsd.net [65.40.24.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id A4E0E43D45 for ; Thu, 9 Feb 2006 14:13:11 +0000 (GMT) (envelope-from bv@bilver.wjv.com) Received: from bilver.wjv.com (localhost.wjv.com [127.0.0.1]) by wjv.com (8.13.5/8.13.1) with ESMTP id k19ED8Ne017975; Thu, 9 Feb 2006 09:13:09 -0500 (EST) (envelope-from bv@bilver.wjv.com) Received: (from bv@localhost) by bilver.wjv.com (8.13.5/8.13.1/Submit) id k19ECxDR017967; Thu, 9 Feb 2006 09:12:59 -0500 (EST) (envelope-from bv) Date: Thu, 9 Feb 2006 09:12:59 -0500 From: Bill Vermillion To: Vitaliy Ovsyannikov Message-ID: <20060209141259.GA17914@wjv.com> References: <176144277.20060209173923@kr.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <176144277.20060209173923@kr.ru> Organization: W.J.Vermillion / Orlando - Winter Park ReplyTo: bv@wjv.com User-Agent: Mutt/1.5.11 X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on bilver.wjv.com Cc: freebsd-net@freebsd.org Subject: Re: incomplete+permanent arp entries X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: bv@wjv.com List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Feb 2006 14:13:14 -0000 At Thu, Feb 09, 2006 at 17:39 , our malformed and occasionally flatulent friend Vitaliy Ovsyannikov spewed forth this fount of brain juice: > Hello, freebsd-net. > > I've noticed what it is possible to make incomplete+permanent > entries in kernel arp table. > xx# arp -s 1.2.3.4 pub > arp: invalid Ethernet address 'pub' And 1.2.3.4 is not valid syntax. xx:xx:xx:xx:xx:xx - the MAC address - should preceded and add the IP address with a hostname into /etc/hosts You probably just overlooked that line in the man page. > # arp 1.2.3.4 > 1.2.3.4 (1.2.3.4) at (incomplete) on vlan1 permanent [vlan] > > In result of it's permanent entry, kernel doesn't listening for > arp-replies for this host. > > My question is simple: is it bug or feature? You left out 'user error'. Bill -- Bill Vermillion - bv @ wjv . com