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z This feature is recommended in MFF networks only.
z For details about MFF, refer to ARP Operation.
Configuring a Port as a Simulated Group Member
Simulated joining in IGMP Snooping is implemented in the same way as in IGMP except that IGMP
Snooping establishes and maintains IGMP Snooping entries.
Enabling simulated joining in VLAN interface view
Follow these steps to enable simulated joining in VLAN interface view:
To do… Use the command… Remarks
Enter system view system-view —
Enter VLAN interface view
interface Vlan-interface interface-number
—
Enable simulated joining
igmp host-join group-address [ source-ip
source-address ] port interface-list
Required
Disabled by
default
Configuring simulated joining in Ethernet port view
Follow these steps to configure a port as a simulated group member:
To do... Use the command... Remarks
Enter system view
system-view
—
Enter Ethernet port view
interface interface-type
interface-number
—
Configure the current port as a
simulated multicast group
member
igmp host-join group-address
[ source-ip source-address ] vlan vlan-id
Required
Simulated joining is
disabled by default.
z Before configuring a simulated host, enable IGMP Snooping in VLAN view first.
z The port to be configured must belong to the specified VLAN; otherwise the configuration does not
take effect.
z You can use the source-ip source-address command to specify a multicast source address that the
port will join as a simulated host. This configuration takes effect when IGMPv3 Snooping is enabled
in the VLAN.
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