Troubleshooting Igmp Snooping - 3Com 8807 Configuration Manual

428 C 39: IGMP S
HAPTER
Troubleshooting IGMP
Snooping
C
NOOPING ONFIGURATION
Network diagram
Figure 105 Network diagram for IGMP Snooping configuration
Ro uter
Swit ch
Configuration procedure
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.
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