Date: Tue, 18 May 2004 18:15:06 +0300 From: Ruslan Ermilov <ru@FreeBSD.org> To: Eugene Grosbein <eugen@grosbein.pp.ru> Cc: net@FreeBSD.org Subject: Re: multicast arp entry Message-ID: <20040518151506.GC72684@ip.net.ua> In-Reply-To: <20040518140857.GC20471@grosbein.pp.ru> References: <40A9CF72.85E2EC9D@kuzbass.ru> <20040518105134.GC70919@ip.net.ua> <20040518140857.GC20471@grosbein.pp.ru>
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--DIOMP1UsTsWJauNi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, May 18, 2004 at 10:08:58PM +0800, Eugene Grosbein wrote: > On Tue, May 18, 2004 at 01:51:34PM +0300, Ruslan Ermilov wrote: >=20 > > The long answer could be: you could join to a single multicast > > group on multiple interfaces, and you will be able to receive > > multicast on all of them, but if you don't have multicast > > forwarding enabled, only one interface will be used for sending. >=20 > That's bad. How do I enable "multicast forwarding", or, in other words, > do you know why ripd doesn't do it for be? >=20 I use mrouted(8). > On the other hand, I've got another machine with very simple configuratio= n: > one fxp0 interface, one rl0 and one gif0 and started quagga/ripd. > Two points: tcpdump shows that multicasts go out all three interfaces > with right source IP and there is no arp entries for 224.0.0.9 and 224.0.= 0.1. >=20 > I couldn't find what is the vital difference between these two machines y= et > (there are so many of them). >=20 I don't know. Perhaps, quagga/ripd send raw IP packets in this case. Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --DIOMP1UsTsWJauNi Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (FreeBSD) iD8DBQFAqih6Ukv4P6juNwoRApKwAJ9SSx0DEBju+N+i6dAf673Gz9S9OwCeM47h eqmp3OZ14cihNoH7wdUcBYE= =cWNO -----END PGP SIGNATURE----- --DIOMP1UsTsWJauNi--
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