diff --git a/docs/package/gluon-mesh-batman-adv.rst b/docs/package/gluon-mesh-batman-adv.rst index 966cd7ab..0e24f344 100644 --- a/docs/package/gluon-mesh-batman-adv.rst +++ b/docs/package/gluon-mesh-batman-adv.rst @@ -197,6 +197,12 @@ assume that there is no multicast router behind this port, meaning to only forward multicast to this port if an according multicast listener on this link was detected. +Further limitations: IGMP/MLD snooping switches (e.g. "enterprise switches") +behind the client network of a node (LAN ports) are unsupported. It is +advised to disable IGMP/MLD snooping on those enterprise switches for now +or to at least manually mark the port to the Gluon router as a +"multicast router port". + Alternatively, the filtering of IGMP/MLD reports can be disabled via the site.conf (which is not recommended in large meshes though). See :ref:`site.conf mesh section ` for details.