Command Manual – Multicast Protocol 
Quidway S3900 Series Ethernet Switches-Release 1510 
Chapter 1  IGMP Snooping Configuration 
Commands
 
Huawei Technologies Proprietary  
1-11 
Parameter 
None 
Description 
Use the igmp-snooping querier command to enable the IGMP Snooping querier 
feature on the current VLAN of the Layer 2 multicast switch.  
Use the undo igmp-snooping querier command to disable the IGMP Snooping 
querier feature on the current VLAN of the Layer 2 multicast switch.  
By default, the IGMP Snooping querier feature of the Layer 2 multicast switch is 
disabled.  
Example 
# Enable the IGMP Snooping feature on VLAN 3 of the Layer 2 multicast switch.  
<Quidway> system-view 
System view, return to user view with Ctrl+Z. 
[Quidway] igmp-snooping enable 
[Quidway] vlan 3 
[Quidway-vlan3] igmp-snooping enable 
[Quidway-vlan3] igmp-snooping querier 
1.1.12  igmp-snooping query-interval 
Syntax 
igmp-snooping query-interval seconds 
undo igmp-snooping query-interval 
View 
VLAN view 
Parameter 
seconds: Interval for the Layer 2 multicast to send general query packets.  
Description 
Use the igmp-snooping query-interval command to configure the interval for the 
Layer 2 multicast switch to send general query packets.  
Use the undo igmp-snooping query-interval command to restore the interval to the 
default value.  
These commands are effective after the IGMP Snooping querier feature is enabled. 
Otherwise, the switch will not send general query packets. The configured query 
interval must be longer than the maximum response interval of the host,