3com 8807 User Guide

C

HAPTER

 39: IGMP S

NOOPING

 C

ONFIGURATION

Figure 105   Network diagram for IGMP Snooping configuration

Suppose you need to enable IGMP Snooping on VLAN10. The procedures are as 
follows:

# Display the current state of IGMP Snooping.

<SW8800> display igmp-snooping configuration 

# If IGMP Snooping is not enabled, enable it in system view.

<SW8800> system-view

 

System View: return to User View with Ctrl+Z.

 

[SW8800] igmp-snooping enable 

# Display the status of the VLAN10 interface, to check if PIM or IGMP is enabled 
on this interface.

[SW8800] display current-configuration interface Vlan-interface 10 

# You can enable IGMP Snooping in VLAN view only if PIM or IGMP is not running 
on VLAN10.

[SW8800] vlan10

 

[3Com-vlan10] igmp-snooping enable 

Fault: Multicast function cannot be implemented on the switch.

Troubleshooting:

1 IGMP Snooping is disabled.

■

Carry out the display current-configuration command in any view to display 
the status of IGMP Snooping.

Internet

Multicast

Swit ch

Ro uter