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26 lines
723 B
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.. _igmp_proxy:
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IGMP Proxy
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==========
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Internet Group Management Protocol (IGMP)
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A IGMP Proxy to send IGMP host messages on behalf of a connected client.
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The configuration must define one upstream interface, and one or more downstream interfaces.
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If multicast traffic originates outside the upstream subnet, the "alt-subnet" option can be used in order to define legal multicast sources.
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simple example:
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---------------
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Interface eth1 LAN is behind NAT. In order to subscribe 10.0.0.0/23 subnet multicast which is in eth0 WAN we need igmp-proxy.
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.. code-block:: console
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# show protocols igmp-proxy
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interface eth0 {
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alt-subnet 10.0.0.0/23
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role upstream
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}
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interface eth1 {
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role downstream
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} |