Date: Sun, 1 Aug 2004 09:52:37 -0700 From: "Loren M. Lang" <lorenl@alzatex.com> To: Albert van Dam <albert@ipdevelopers.co.za> Cc: freebsd-questions@freebsd.org Subject: Re: Multicast Forwarding Message-ID: <20040801165237.GB11156@alzatex.com> In-Reply-To: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA%2BoXFDPbE2BGmgADgmL5LMcKAAAAQAAAAjLHbrOLb2BGmgADgmL5LMQEAAAAA@ipdevelopers.co.za> References: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA%2BoXFDPbE2BGmgADgmL5LMcKAAAAQAAAAjLHbrOLb2BGmgADgmL5LMQEAAAAA@ipdevelopers.co.za>
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[-- Attachment #1 --] On Thu, Jul 22, 2004 at 02:56:41PM +0200, Albert van Dam wrote: > Hi All > > I am a newbie to FreeBSD. > > We have the following setup in a lab environment: > * PC1 (IP: 192.168.10.2/24) connected with cross over to wireless router > A (IP: 192.168.10.1/24 - sis0) > * PC2 (IP: 192.168.20.2/24) connected with cross over to wireless router > B (IP: 192.168.20.1/24 - sis0) > * Wireless router A (IP: 192.168.30.1/24 - wi0) connected with 802.11b > to Wireless router B (IP: 192.168.30.2/24 - wi1) > > PC1 can ping PC2 and PC2 can ping PC1. > Both Wireless router A and Wireless router B runs FreeBSD. The routing > on this works but I cannot get UDP Multicast packets through. I have > read in the FreeBSD docs that mrouted should be running and subsequently > I have it running on both routers. > I think that mrouted will only forward multicast packets that it knows another interface is subscribed to so network A would have to tell the router an IGMP packet subscribing to the multicast channel you're talking on on network B, and vice-versa. Not sure how to generate the IGMP packet, it's been a while since I worked with multicast. > Tcpdump shows the UDP multicast packets on Wireless router A from PC1 on > sis0 and UDP multicast packets on Wireless router B from PC2 on sis0. > > Any help would be greatly appreciated. > > Albert > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- I sense much NT in you. NT leads to Bluescreen. Bluescreen leads to downtime. Downtime leads to suffering. NT is the path to the darkside. Powerful Unix is. Public Key: ftp://ftp.tallye.com/pub/lorenl_pubkey.asc Fingerprint: B3B9 D669 69C9 09EC 1BCD 835A FAF3 7A46 E4A3 280C [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBDR/V+vN6RuSjKAwRAvKNAKDG4vmq9fypb6q77y+sl+5hWOPBbACeI7we fakwoR+bdfGgtVuquZu0aZ4= =FTRT -----END PGP SIGNATURE-----
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