From e4df3fc97c987cc20c2bcba8cfe7afa6c89c7744 Mon Sep 17 00:00:00 2001 From: rebortg Date: Tue, 23 Jul 2019 18:48:26 +0200 Subject: T1457: add igmp proxy --- docs/routing/igmp-proxy.rst | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 docs/routing/igmp-proxy.rst (limited to 'docs/routing/igmp-proxy.rst') diff --git a/docs/routing/igmp-proxy.rst b/docs/routing/igmp-proxy.rst new file mode 100644 index 00000000..fd16892d --- /dev/null +++ b/docs/routing/igmp-proxy.rst @@ -0,0 +1,26 @@ +.. _igmp_proxy: + +IGMP Proxy +========== + +Internet Group Management Protocol (IGMP) + +A IGMP Proxy to send IGMP host messages on behalf of a connected client. +The configuration must define one upstream interface, and one or more downstream interfaces. +If multicast traffic originates outside the upstream subnet, the "alt-subnet" option can be used in order to define legal multicast sources. + +simple example: +--------------- + +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. + +.. code-block:: sh + + # show protocols igmp-proxy + interface eth0 { + alt-subnet 10.0.0.0/23 + role upstream + } + interface eth1 { + role downstream + } \ No newline at end of file -- cgit v1.2.3