Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip igmp show grouptable ?
Usage: show grouptable [[index=][[rr=]integer]]
Parameters:
Tag Value
index - The IP address of the multicast group for which
you want to display active hosts that are joined to it.
rr - A refresh rate expressed as a value in seconds.
Remarks: Shows the hosts table for a specified multicast group.
Examples:
show grouptable index=239.192.1.100 rr=5
The example command shows the hosts table for an IGMP multicast group
identified by the IP address of 239.192.1.100 with a refresh rate of
every 5 seconds.
