3Com Switch 8800 Configuration Guide Chapter 24 IGMP Snooping Configuration24-8To implement IGMP Snooping on the switch, you need to enable IGMP Snooping onthe switch first. The switch is connected with the router via the router port, andconnected with user PC through the non-router ports.II. Networking diagramInternetMulticastSwit chRo uterFigure 24-4 IGMP Snooping configuration networkingIII. Configuration procedureSuppose you need to enable IGMP Snooping on VLAN1. The procedures are asfollows:Display the current state of IGMP Snooping. display igmp-snooping configurationIf IGMP Snooping is not enabled, enable it in system view.[SW8800] igmp-snooping enableDisplay the status of the VLAN1 interface, to check if PIM or IGMP is enabled on it.[SW8800] display current-configuration interface Vlan-interface 1If PIM or IGMP is not running on VLAN1, you can enable IGMP Snooping in VLAN view.[SW8800-vlan1] igmp-snooping enable24.5 Troubleshoot IGMP SnoopingFault: Multicast function cannot be implemented on the switch.Troubleshooting:1) IGMP Snooping is disabled.z Input the display current-configuration command to display the status of IGMPSnooping.
