Extends the default SSM range of 232/8 to include an IP multicast address. You can configure existing applications without changing their group configuration.
default ip igmp ssm
ip igmp ssm group-range {A.B.C.D/X}
no ip igmp ssm
The default IP address is 0.0.0.232. The default mask is 0.0.0.255.
VRF Router Configuration