When you enable IGMP or MLD multicast snooping on a vSphere Distributed Switch, you can edit the maximum number of IP sources from which the members of a multicast group receive packets.


  1. In the vSphere Client, navigate to the host.
  2. On the Configure tab, expand System and select Advanced System Settings.
  3. Click Edit.
  4. Locate the Net.IGMPV3MaxSrcIPNum or Net.MLDV2MaxSrcIPNum system setting and enter a new value between 1 and 32 for the setting.
  5. Click OK.