From owner-freebsd-net@freebsd.org Tue Dec 15 22:57:29 2015 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0BEBEA48976 for ; Tue, 15 Dec 2015 22:57:29 +0000 (UTC) (envelope-from bimmer@field.hu) Received: from green.field.hu (green.field.hu [217.20.130.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C19A11547 for ; Tue, 15 Dec 2015 22:57:28 +0000 (UTC) (envelope-from bimmer@field.hu) Received: from green.field.hu (localhost [127.0.0.1]) by green.field.hu (Postfix) with ESMTP id 82BAC250B59 for ; Tue, 15 Dec 2015 23:47:48 +0100 (CET) X-Virus-Scanned: by Amavisd-new at field.hu Received: from green.field.hu ([127.0.0.1]) by green.field.hu (green.field.hu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bdrxze2XZ6Ig for ; Tue, 15 Dec 2015 23:47:42 +0100 (CET) Received: from [192.168.52.16] (1F2EC6DD.catv.pool.telekom.hu [31.46.198.221]) by green.field.hu (Postfix) with ESMTPA id D7AC4250B57 for ; Tue, 15 Dec 2015 23:47:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=field.hu; s=mail; t=1450219661; bh=/ng3D0arZGLyMsTFr5vPfJv+u6WcG2M71+iV+dchRrM=; h=Date:From:To:Subject; b=fV4nSk362UKxrAzhPSd8xYRJMgyz452wPXhx7vO+BtRSsZl8W1nIFowbw77T/O9kS nBjPf5ZFYAwoeUR7+zjlG9fHWgO4szMjEFU/0tpBiALDJln3w7hlGVD9sYurKy7NsH 6Nf2wfwIpZ9FMZfswaLYMhqeKxTYR4dTtrfgK2q4= Message-ID: <5670988B.5030905@field.hu> Date: Tue, 15 Dec 2015 23:47:39 +0100 From: bcs User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: freebsd-net@freebsd.org Subject: arp response fails Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 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, 15 Dec 2015 22:57:29 -0000 Hi, I have 3 FreeBSD 10.2-RELEASE machines and all of them suffers of the following problem. They are not responding to ARP requests which causes network problem for me, other hosts can't access my FBSD machines on the LAN nor my FBSD hosts can see each other unless I add permanent arp entry. [root@fbsd10 /]# arping my.host.hu ARPING x.x.x.x Timeout Timeout Timeout Pinging a linux host is ok from my bsd host: [root@cool /]# arping linux.host.hu ARPING y.y.y.y 60 bytes from 00:15:17:ae:0c:44 (y.y.y.y): index=0 time=189.143 usec 60 bytes from 00:15:17:ae:0c:44 (y.y.y.y): index=1 time=335.541 usec 60 bytes from 00:15:17:ae:0c:44 (y.y.y.y): index=2 time=200.227 usec ^C I use ipfw but "ipfw -q -f flush" didn't solve the issue. Here are my sysctl.conf: security.bsd.see_other_uids=0 net.inet.tcp.recvspace=512000 net.route.netisr_maxqlen=2048 kern.ipc.nmbclusters=1310720 net.inet.tcp.sendbuf_max=16777216 net.inet.tcp.recvbuf_max=16777216 kern.ipc.soacceptqueue=32768 vm.v_free_min=19170 /boot/loader.conf: ipfw_load="YES" net.inet.ip.fw.default_to_accept=1 kern.maxusers=4096 accf_data_load="YES" hw.em.rxd=4096 any idea how to enable arp response? Thanks guys! Cheers, Csaba