From owner-freebsd-net Wed Feb 23 12:19:37 2000 Delivered-To: freebsd-net@freebsd.org Received: from roma.coe.ufrj.br (roma.coe.ufrj.br [146.164.53.65]) by hub.freebsd.org (Postfix) with ESMTP id 3760437B973 for ; Wed, 23 Feb 2000 12:19:28 -0800 (PST) (envelope-from jonny@jonny.eng.br) Received: (from uucp@localhost) by roma.coe.ufrj.br (8.9.3/8.9.3) id RAA62284; Wed, 23 Feb 2000 17:19:11 -0300 (EST) (envelope-from jonny@jonny.eng.br) Received: from localhost.coe.ufrj.br(127.0.0.1), claiming to be "jonny.eng.br" via SMTP by localhost.coe.ufrj.br, id smtpdI62268; Wed Feb 23 17:19:03 2000 Message-ID: <38B43EFD.9384FF1C@jonny.eng.br> Date: Wed, 23 Feb 2000 17:11:41 -0300 From: Joao Carlos Mendes Luis X-Mailer: Mozilla 4.7 [en] (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 To: Masahiro Ariga Cc: freebsd-net@FreeBSD.ORG Subject: Re: arp wrongs in Multicast References: <001101bf740f$4b529ce0$064ca8c0@gateway> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Masahiro Ariga wrote: > 09:49:45.001329 0:a0:c9:93:ba:2f Broadcast arp 42: arp who-has 234.5.6.7 > tell 192.168.76.69 > > 192.168.76.69 is a Server's own output interface IP. > It looks like there's no reply for multicast address 234.5.6.7. > > My questions are: > 1.Does arp correctly work during multicast transmission ? There should be NO arp for multicast addresses. The MAC addresses for multicast IPs are created from a static "conversion table". You should probably go search why these arp requests are beeing generated. > 2.If it works,why one of interfaces' address becomes "incomplete" after 20 > minutes. Check if mrouted is still running. Jonny -- João Carlos Mendes Luís jonny@jonny.eng.br Networking Engineer jcml@ieee.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message