From owner-freebsd-net@FreeBSD.ORG Mon Feb 20 06:39:15 2012 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 09F02106564A for ; Mon, 20 Feb 2012 06:39:15 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-ww0-f42.google.com (mail-ww0-f42.google.com [74.125.82.42]) by mx1.freebsd.org (Postfix) with ESMTP id 894EF8FC12 for ; Mon, 20 Feb 2012 06:39:14 +0000 (UTC) Received: by wgbgn7 with SMTP id gn7so2846613wgb.1 for ; Sun, 19 Feb 2012 22:39:13 -0800 (PST) Received-SPF: pass (google.com: domain of kob6558@gmail.com designates 10.180.92.229 as permitted sender) client-ip=10.180.92.229; Authentication-Results: mr.google.com; spf=pass (google.com: domain of kob6558@gmail.com designates 10.180.92.229 as permitted sender) smtp.mail=kob6558@gmail.com; dkim=pass header.i=kob6558@gmail.com Received: from mr.google.com ([10.180.92.229]) by 10.180.92.229 with SMTP id cp5mr14316550wib.8.1329719953545 (num_hops = 1); Sun, 19 Feb 2012 22:39:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=gS99DinDNuj7xeGGpekCbiiY0hah3oo5usWt1/hoWsw=; b=Rcp5wKPfGOcX2XIxuzmSyXsq++aUnNM62rnR1dXvqTXh/iJwdS8I5zinjD6yucmtbX Tw53CBTniTyKkzjAqBqASblPOxeuwa7uJmAKwWU3MTqH/m6rVsPzv/g2BJigX3LlyyPg M0+CHoyb0PwG74SkQzpDtK9qrLKR9A6MseiqU= MIME-Version: 1.0 Received: by 10.180.92.229 with SMTP id cp5mr11946944wib.8.1329719953503; Sun, 19 Feb 2012 22:39:13 -0800 (PST) Received: by 10.223.158.143 with HTTP; Sun, 19 Feb 2012 22:39:13 -0800 (PST) In-Reply-To: <47346273.20120219153713@yandex.ru> References: <47346273.20120219153713@yandex.ru> Date: Sun, 19 Feb 2012 22:39:13 -0800 Message-ID: From: Kevin Oberman To: =?KOI8-R?B?68/O2MvP1yDl18fFzsnK?= Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: quoted-printable Cc: freebsd-net@freebsd.org Subject: Re: freebsd sends arp queries for IP's in not it subnet 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: Mon, 20 Feb 2012 06:39:15 -0000 2012/2/19 =EB=CF=CE=D8=CB=CF=D7 =E5=D7=C7=C5=CE=C9=CA : > # tcpdump -n -i vlan7 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decod= e > listening on vlan7, link-type EN10MB (Ethernet), capture size 65535 bytes > 15:37:59.202052 ARP, Request who-has 10.12.101.240 tell 10.11.19.147, len= gth 28 > 15:37:59.258459 ARP, Request who-has 10.83.29.192 tell 10.11.19.147, leng= th 28 [...] > ^C > 45 packets captured > 47 packets received by filter > 0 packets dropped by kernel > # ifconfig vlan7 > vlan7: flags=3D8843 metric 0 mtu = 1500 > =9A =9A =9A =9Aoptions=3D3 > =9A =9A =9A =9Aether f4:6d:04:7c:7b:d3 > =9A =9A =9A =9Ainet 10.11.19.149 netmask 0xfffffff8 broadcast 10.11.19.15= 1 > =9A =9A =9A =9Ainet6 fe80::f66d:4ff:fe7c:7bd3%vlan7 prefixlen 64 scopeid = 0x7 > =9A =9A =9A =9Ainet 10.11.19.145 netmask 0xfffffff8 broadcast 10.11.19.15= 1 > =9A =9A =9A =9Ainet 10.11.19.147 netmask 0xfffffff8 broadcast 10.11.19.15= 1 > =9A =9A =9A =9And6 options=3D29 > =9A =9A =9A =9Amedia: Ethernet autoselect (1000baseT ) > =9A =9A =9A =9Astatus: active > =9A =9A =9A =9Avlan: 7 parent interface: re0 Looks suspicious, but what is the output of 'netstat -rnf inet'? That will say what addresses are in a range that is routed or one that is reached directly using ARP to get the MAC address. --=20 R. Kevin Oberman, Network Engineer E-mail: kob6558@gmail.com