>    I have a sender and receiver on the **same** Solaris host
 > publishing and subscribng to the **same** multicast group address.
 > Questions:
 > 1. Does the receiver receive the packets after it is forwarded by the
 > router or does the Solaris OS sends it a copy of the packet as
 > published by the sender?

It's internally looped back.

 > 2. What happens if the receiver leaves the group and the sender is
 > still active? Does the OS sends the IGMP v2 Leave Group Report to the
 > default router or does it suppress the report since it sees  that
 > there is a publisher for the same group?

One does not need to join a group to send multicast, so the leave report
will be generated once there are no more listeners.

-- 
meem
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