Command Manual – Multicast Protocol 
Quidway S8500 Series Routing Switches  Chapter 4  IGMP Configuration Commands
 
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4-4 
Field  Description 
query timeout  Query timeout for IGMP V1 
Policy to accept IGMP 
reports 
Filter policy for the IGMP multicast group to control the 
accesses to the IP multicast group  
Querier for IGMP  IGMP querier  
IGMP group limit 
Quantity limit of IGMP groups added to the interface. 
After the limit is reached, the router does not process 
the IGMP join messages  
 
4.1.4  igmp enable 
Syntax 
igmp enable 
undo igmp enable 
View 
VLAN interface view  
Parameter 
None 
Description 
Use the igmp enable command to enable IGMP on an interface.  
Use the undo igmp enable command to disable IGMP on the interface. 
By default, IGMP is disabled on an interface. 
You must enable the multicast function before this command can work, you must use 
this command first before you can configure other IGMP features.  
Related command: multicast routing-enable. 
 
  Caution:  
z  If the VLAN VPN is enabled on a port, the IGMP Snooping feature cannot be 
enabled on the VLAN to which the port belongs, and the IGMP feature cannot be 
enabled on the corresponding VLAN interface.  
z  If IGMP Snooping feature is enabled on a VLAN, or IGMP is enabled on the VLAN 
interface, you cannot add VLAN VPN enabled ports into the VLAN, and vice versa.