3Com Switch 4800G 24-Port Configuration Manual page 619

Configuring IGMP
Versions
Configuring a Static
Member of a Multicast
Group
To do...
Enable IP multicast routing
Enter interface view
Enable IGMP
Because messages vary with different IGMP versions, the same IGMP version
should be configured for all routers on the same subnet before IGMP can work
properly.
Configuring an IGMP version globally
Follow these steps to configure an IGMP version globally:
To do...
Enter system view
Enter IGMP view
Configure an IGMP version
globally
Configuring an IGMP version on an interface
Follow these steps to configure an IGMP version on an interface:
To do...
Enter system view
Enter interface view
Configure an IGMP version on
the interface
After an interface is configured as a static member of a multicast group, it will act
as a virtual member of the multicast group to receive multicast data addressed to
that multicast group for the purpose of testing multicast data forwarding.
Follow these steps to configure an interface as a statically connected member of a
multicast group:
To do...
Enter system view
Enter interface view
Configure the interface as
a static member of a
multicast group
Configuring Basic Functions of IGMP
Use the command...
multicast routing-enable
interface interface-type
interface-number
igmp enable
Use the command...
system-view
igmp
version version-number
Use the command...
system-view
interface interface-type
interface-number
igmp version
version-number
Use the command...
system-view
interface interface-type
interface-number
igmp static-group
group-address [ source
source-address ]
Description
Required
Disabled by default
-
Required
Disabled by default
Description
-
-
Optional
IGMPv2 by default
Description
-
-
Optional
IGMPv2 by default
Description
-
-
Required
An interface is not a static
member of any multicast group
by default.
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