Manual
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Москва, Новозаводская ул., 18, стр. 1 
296 
Global Mode 
ip igmp snooping vlan <vlan-id> 
no ip igmp snooping vlan <vlan-id> 
Enable the  IGMP Snooping  function  on the 
multicast VLAN. The no form of this command 
disables the IGMP Snooping on the multicast 
VLAN. 
ip igmp snooping 
no ip igmp snooping 
Enable  the IGMP  Snooping  function.  The no 
form  of  this  command  disables  the  IGMP 
snooping function. 
3.  Configure the MLD Snooping 
ipv6 mld snooping vlan <vlan-id> 
no ipv6 mld snooping vlan <vlan-id> 
Enable MLD Snooping on multicast VLAN; the 
no form of this command disables MLD 
Snooping on multicast VLAN. 
ipv6 mld snooping 
no ipv6 mld snooping 
Enable the MLD Snooping function. The no 
form of this command disables the MLD 
snooping function. 
38.3 Multicast VLAN Examples 
Function configuration of the Multicast VLAN 
As shown in the figure, the multicast server is connected to the layer 3 switch switchA through 
port 1/1 which belongs to the VLAN10 of the switch. The layer 3 switch switchA is connected 
with layer 2 switches through the port1/10, which configured as trunk port. On the switchB the 
VLAN100 is  configured set to contain port1/15, and VLAN101 to contain port1/20. PC1 and 
PC2  are  respectively  connected  to  port  1/15  and1/20.  The  switchB  is  connected  with  the 
switchA through port1/10, which configured as trunk port. VLAN 20 is a multicast VLAN. By 
configuring multicast vlan, the PC1 and PC2 will receives the multicast data from the multicast 










