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Date:      Thu, 22 Jul 2004 14:56:41 +0200
From:      "Albert van Dam" <albert@ipdevelopers.co.za>
To:        <freebsd-questions@freebsd.org>
Subject:   Multicast Forwarding
Message-ID:  <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA+oXFDPbE2BGmgADgmL5LMcKAAAAQAAAAjLHbrOLb2BGmgADgmL5LMQEAAAAA@ipdevelopers.co.za>

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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.

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



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