Displaying and maintaining igmp snooping – H3C Technologies H3C S3100 Series Switches User Manual
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Operation
Command
Remarks
Enable IGMP Snooping
igmp-snooping enable
—
Enter VLAN view
vlan vlan-id
—
Enable IGMP Snooping
igmp-snooping enable
Required
Enable multicast VLAN
service-type multicast
Required
Return to system view
quit
—
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
After the configuration above, you can execute the following display commands in any view to verify
the configuration by checking the displayed information.
You can execute the reset command in user view to clear the statistics information about IGMP
Snooping.