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Chapter 10
Configuring Multicast
Command
Meaning
ip igmp join-group group-
address
Makes the router become an active
member of the specified multicast
group.
ping
Used for testing reachability.
mtrace
Displays the forwarding path
based on group membership or the
RPF.
ip igmp version (2 | 1)
Applied to the interface and used
to change the version of IGMP
used on that interface.
ip cgmp [proxy]
Enables CGMP on the specified
interface on routers.
set cgmp enable
Used on Catalyst switches to
enable CGMP.
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