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How to enable Multicast Forwarding
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  1. #1
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    How to enable Multicast Forwarding

    I have a server that sits between two LANs, and I wish to enable multicast routing from one LAN to the other. I have multicast routing enabled in the kernel but didn't know how to enable it. Tried to add mc_forwarding in /etc/sysctrl but doesn't work. Your help is very much appreciated.

  2. #2
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    Re: How to enable Multicast Forwarding

    Hi,

    Multicast support in kernel only means kernel can send/receive multicast packets. You need also proper routes. Multicast routes can be set dynamically by daemons such as quagga, mrouted etc, or statically. You also need to know what type of multicast connectivity yo deal with, like PIM or some else. You' ll also need to know a bit about IGMP, joining and leaving groups etc.

    WWell,

  3. #3
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    Re: How to enable Multicast Forwarding

    May I know how to set multicast routes statically? I tried to install mrouted in Fedora 10 but face compilation error.

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    Re: How to enable Multicast Forwarding

    Hi,

    SMCRoute is a tool to manipulate the multicast routes of the Linux kernel. It can be used as an alternative to dynamic multicast routers like pimd or in situations where static multicast routes should be maintained and/or no proper IGMP signaling exists.

    http://alioth.debian.org/projects/smcroute/

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