2-11 
Operation  Command  Remarks 
Enable unknown multicast 
flooding suppression 
igmp-snooping 
nonflooding-enable 
Required 
By default, unknown multicast 
flooding suppression 
 
 
z  If the function of dropping unknown multicast packets is enabled, you cannot enable unknown 
multicast flooding suppression. 
z  Unknown multicast flooding suppression and multicast source port suppression cannot take effect 
at the same time. If both are enabled, only multicast source port suppression takes effect. In this 
case, multicast data received on the blocked port will be dropped.  
 
Configuring Static Member Port for a Multicast Group 
If the host connected to a port is interested in the multicast data for a specific group, you can configure 
that port as a static member port for that multicast group.  
In Ethernet port view 
Table 2-12 Configure a static multicast group member port in Ethernet port view 
Operation  Command  Remarks 
Enter system view 
system-view 
—
 
Enter Ethernet port view 
interface interface-type 
interface-number 
—
 
Configure the current port as a 
static member port for a 
multicast group in a VLAN 
multicast static-group 
group-address vlan vlan-id 
Required 
By default, no port is configured 
as a static multicast group 
member port.  
 
In VLAN interface view 
Table 2-13 Configure a static multicast group member port in VLAN interface view 
Operation  Command  Remarks 
Enter system view 
system-view 
—
 
Enter VLAN interface view 
interface vlan-interface 
interface-number 
—