> # Cisco Fabric Services (CFS) IP Multicast

> Field | Description
> --- | ---
> IP Address Type | The IP address type (IPv4, IPv6, or DNS).
> Multicast Address Domain | The multicast address domain to which the CFS distribution is restricted. There is a default multicast address for both IPv4 and IPv6 through which the keepalive messages are sent and received to discover the CFS capable switches over IP. All switches with similar multicast address form one CFS-over-IP fabric. The default multicast address for IPv4 is 239.255.70.83 and range supported is [239.255.0.0 to 239.255.255.255] The default multicast address for IPv6 is ff13::7743:4653 and the supported range is [ff13::0000:0000 to ff13::ffff:ffff].
> Action | Specifies the current operating mode employed in CFS for distribution over the corresponding type of Internet address. By setting the value of this object to enable, CFS will enable its capability to distribute the application data across the fabric over the corresponding type of Internet address. By setting the value of this object to disable, CFS will disable its capability to distribute the data across the fabric over the corresponding type of Internet address.

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