From owner-freebsd-net@FreeBSD.ORG Wed Apr 7 15:10:23 2004 Return-Path: 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 E664016A4CE for ; Wed, 7 Apr 2004 15:10:23 -0700 (PDT) Received: from smtp.rdsnet.ro (smtp.rdsnet.ro [62.231.74.130]) by mx1.FreeBSD.org (Postfix) with ESMTP id E9BAA43D1F for ; Wed, 7 Apr 2004 15:10:21 -0700 (PDT) (envelope-from itetcu@apropo.ro) Received: (qmail 7684 invoked by uid 89); 7 Apr 2004 22:07:15 -0000 Received: from unknown (HELO rdsnet.ro) (62.231.74.131) by 0 with SMTP; 7 Apr 2004 22:07:15 -0000 Received: (qmail 31387 invoked from network); 7 Apr 2004 22:09:24 -0000 Received: from unknown (HELO buh.cameradicommercio.ro) (81.196.25.19) by mail.rdsnet.ro with SMTP; 7 Apr 2004 22:09:24 -0000 Received: from it.buh.cameradicommercio.ro (it.buh.cameradicommercio.ro [192.168.0.10]) by buh.cameradicommercio.ro (Postfix) with ESMTP id 01B4160DB; Thu, 8 Apr 2004 01:09:16 +0300 (EEST) Received: from localhost (localhost.buh.cameradicommercio.ro [127.0.0.1]) by it.buh.cameradicommercio.ro (Postfix) with ESMTP id 49B3424C; Thu, 8 Apr 2004 01:12:31 +0300 (EEST) Received: from it.buh.cameradicommercio.ro ([127.0.0.1])port 10024) with ESMTP id 62931-05; Thu, 8 Apr 2004 01:12:31 +0300 (EEST) Received: from it.buh.cameradicommercio.ro (localhost.buh.cameradicommercio.ro [127.0.0.1]) by it.buh.cameradicommercio.ro (Postfix) with SMTP id B1426110; Thu, 8 Apr 2004 01:12:30 +0300 (EEST) Date: Thu, 8 Apr 2004 01:12:30 +0300 From: Ion-Mihai Tetcu To: Luigi Rizzo Message-Id: <20040408011230.5b315670@it.buh.cameradicommercio.ro> In-Reply-To: <20040407105748.C13115@xorpc.icir.org> References: <20040407105748.C13115@xorpc.icir.org> X-Mailer: Sylpheed version 0.9.10claws (GTK+ 1.2.10; i386-portbld-freebsd5.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at it.buh.cameradicommercio.ro cc: net@freebsd.org Subject: Re: arp entries for local interfaces disappearing ? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 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, 07 Apr 2004 22:10:24 -0000 On Wed, 7 Apr 2004 10:57:48 -0700 Luigi Rizzo wrote: > Can someone explain why, in my arp table, i don't have an > entry for my local machine ? I just noticed this by chance, > on my 4.9 box at the office, and now again at home: > > > ifconfig > rl0: flags=8843 mtu 1500 > inet 10.0.1.55 netmask 0xffffff00 broadcast 10.0.1.255 > inet 10.1.1.236 netmask 0xffffff00 broadcast 10.1.1.255 > ether 00:40:f4:34:b1:4b > media: Ethernet autoselect (100baseTX ) > status: active > lo0: flags=8049 mtu 16384 > inet 127.0.0.1 netmask 0xff000000 > > arp -na > ? (10.0.1.52) at 00:02:2d:08:a3:3b on rl0 [ethernet] > ? (10.0.1.64) at 52:54:05:de:99:7c on rl0 [ethernet] > > Same here, on a -current. # arp -n 192.168.0.10 192.168.0.10 (192.168.0.10) -- no entry # arp -an ? (192.168.0.1) at 00:e0:4c:55:c3:13 on rl0 [ethernet] ? (192.168.0.255) at ff:ff:ff:ff:ff:ff on rl0 permanent [ethernet] # ping 192.168.0.10 PING 192.168.0.10 (192.168.0.10): 56 data bytes 64 bytes from 192.168.0.10: icmp_seq=0 ttl=64 time=4.307 ms 64 bytes from 192.168.0.10: icmp_seq=1 ttl=64 time=0.113 ms ^C --- 192.168.0.10 ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.113/2.210/4.307/2.097 ms # arp -an ? (192.168.0.1) at 00:e0:4c:55:c3:13 on rl0 [ethernet] ? (192.168.0.10) at 00:0d:61:b3:6f:9d on rl0 permanent [ethernet] ? (192.168.0.255) at ff:ff:ff:ff:ff:ff on rl0 permanent [ethernet] # sysctl net.link.ether.inet net.link.ether.inet.prune_intvl: 300 net.link.ether.inet.max_age: 1200 net.link.ether.inet.host_down_time: 20 net.link.ether.inet.maxtries: 5 net.link.ether.inet.useloopback: 1 net.link.ether.inet.proxyall: 0 net.link.ether.inet.log_arp_wrong_iface: 1 net.link.ether.inet.log_arp_movements: 1 -- IOnut Unregistered ;) FreeBSD "user"