The Internet Group Management Protocol, defined in RFC 1112, is the standard for IP multicasting. In order for
multicasting to work properly on the network, all connected devices require the networking hardware to support IGMP.
To address the question, yes there are ways to create IGMP support for devices directly connected to switches that do not directly support IGMP. Install an IGMP server on the switch. This server listens for and receives multicast group messages and forwards multicast streams to the intended recipients. Multiple platforms and operating systems support IGMP server configuration. However, this solution does not scale to multiple devices and should only be considered on a very limited basis. For multi-device IGMP support, the most cost effective alternative is to upgrade the switches to managed, IGMP-enabled switches as creating, maintaining and configuring IGMP servers is cost prohibited.
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