Implementing Layer-2 Multicast with IGMP Snooping
Feature Name |
Release Information |
Feature Description |
---|---|---|
Support for Layer 2 Multicast |
Release 7.4.1 |
This feature is now supported on routers that have the Cisco NC57 line cards installed and operate in native and compatibility mode. |
Internet Group Management Protocol (IGMP) snooping restricts multicast flows at Layer 2 to only those segments with at least one interested receiver. This module describes how to implement IGMP snooping.