Operation Manual – Multicast Protocol
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 2 IGMP Snooping Configuration
Huawei Technologies Proprietary
2-12
Operation Command Description
Enable IGMP Snooping
on the VLAN
igmp-snooping enable
Required
By default, the IGMP
Snooping feature is
disabled
Enable multicast VLAN
service-type multicast
Required
Exit the VLAN view
quit
—
Enter the view of the
Ethernet port connected
to the Layer 3 switch
interface interface-type
interface-number
—
Define the port as a trunk
or hybrid port
port link-type { trunk |
hybrid }
—
port hybrid vlan vlan-list
{ tagged | untagged }
Specify the VLANs to be
allowed to pass through
the Ethernet
port trunk pvid vlan
vlan-list
The multicast VLAN must
be included and set as
tagged.
Enter the view of the
Ethernet port connected
to a user device
interface interface-type
interface-number
—
Define the port as a hybrid
port
port link-type hybrid
Required
Specify the VLANs to be
allowed to pass the port
port hybrid vlan
vlan-id-list { tagged |
untagged }
Required
The multicast VLAN must
be included and set as
untagged.
Note:
z An Isolate user VLAN cannot be configured as a multicast VLAN.
z One port can belong to only one multicast VLAN.
z The port connected to a user end can only be a hybrid port.
z The multicast member port must be in the same VLAN with the router port.
Otherwise, the multicast member port cannot receive multicast packets.
z When a router port is added into a multicast VLAN, the router port must be set as a
Trunk port or tagged Hybrid port. Otherwise, all the multicast member ports in this
multicast VLAN cannot receive multicast packets.
z When the multicast VLAN is set up, all IGMP host join packets are broadcast in the
multicast VLAN only. For a multicast member port of a non-multicast VLAN, its
VLAN interface cannot establish the corresponding Layer 2 multicast entry.
Therefore, you are recommended to delete the port from the multicast VLAN.
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