Manual

page 104 of 140 Prodigy.MC Manual - Version 2.4
CHAPTER 6: RAV.IO
NOTE
Source-Specific Multicast (SSM) support for IGMP v3, v2 and v1 (SSM via
protocol only in IGMP v3, SSM via internal filtering is applied for IGMP v2 and v1) -
see “Source Specific Multicast” on page 90.