PurposeCommand or Action
Enters global configuration mode.configure terminal
Example:
Device# configure terminal
Step 2
Selects an interface that is connected to hosts on which IGMPv3 can
be enabled.
interface type number
Example:
Device(config)# interface ethernet 1
Step 3
Enables CGMP on an interface of a device connected to a Cisco
Catalyst 5000 family switch.
ip cgmp [proxy | router-only]
Example:
Device(config-if)# ip cgmp proxy
Step 4
•
The proxy keyword enables the CGMP proxy function. When
enabled, any device that is not CGMP-capable will be advertised
by the proxy router. The proxy router advertises the existence
of other non-CGMP-capable devices by sending a CGMP Join
message with the MAC address of the non-CGMP-capable device
and group address of 0000.0000.0000.
Ends the current configuration session and returns to EXEC mode.end
Example:
Device(config-if)# end
Step 5
(Optional) Clears all group entries from the caches of Catalyst switches.
clear ip cgmp [interface-type
interface-number]
Step 6
Example:
Device# clear ip cgmp
Related Topics
CGMP on Catalyst Switches for IP Multicast, on page 112
Example: CGMP Configuration, on page 117
Configuring IP Multicast in a Layer 2 Switched Ethernet Network
Perform this task to configure IP multicast in a Layer 2 Switched Ethernet network using RGMP.
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
OL-32598-01 115
Constraining IP Multicast in Switched Ethernet
Configuring IP Multicast in a Layer 2 Switched Ethernet Network
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