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To do... Use the command... Remarks
Enter Ethernet port view for the
Layer 3 switch
interface interface-type
interface-number
—
Define the port as a trunk or
hybrid port
port link-type { trunk |
hybrid }
Required
port hybrid vlan vlan-list
{ tagged | untagged }
Specify the VLANs to be
allowed to pass the Ethernet
port
port trunk permit vlan vlan-list
Required
The multicast VLAN must be
included, and the port must be
configured to forward tagged
packets for the multicast VLAN
if the port type is hybrid.
Enter Ethernet port view for 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 the port must be
configured to forward tagged
packets for the multicast VLAN.
z One port can belong to only one multicast VLAN.
z The port connected to a user terminal must be a hybrid port.
z The multicast member ports must be in the same VLAN with the router port. Otherwise, the
multicast member port cannot receive multicast packets.
z If a router port is in a multicast VLAN, the router port must be configured as a trunk port or a hybrid
port that allows tagged packets to pass for the multicast VLAN. Otherwise, all the multicast
member ports in this multicast VLAN cannot receive multicast packets.
z The multicast VLAN function and the VLAN mapping function cannot be configured at the same
time.
Displaying and Maintaining IGMP Snooping
To do... Use the command… Remarks
Display the current IGMP
Snooping configuration
display igmp-snooping
configuration
Available in any view
Display IGMP Snooping
message statistics
display igmp-snooping
statistics
Available in any view
Display the information about
IP and MAC multicast groups in
one or all VLANs
display igmp-snooping
group [ vlan vlan-id ]
Available in any view
Clear IGMP Snooping statistics
reset igmp-snooping
statistics
Available in user view