Netgear GSM7212F GSM5212P/GSM7212P/GSM7212F/GSM7224P CLI Manual - Page 564

ProSafe Managed Switch debug igmpsnooping packet This command enables tracing of IGMP Snooping packets received and transmitted by the switch. Default Format Mode disabled debug igmpsnooping packet Privileged EXEC no debug igmpsnooping packet This command disables tracing of IGMP Snooping packets. Format Mode no debug igmpsnooping packet Privileged EXEC debug igmpsnooping packet transmit This command enables tracing of IGMP Snooping packets transmitted by the switch. Snooping should be enabled on the device and the interface in order to monitor packets for a particular interface. Default Format Mode disabled debug igmpsnooping packet transmit Privileged EXEC A sample output of the trace message is shown below. JAN 01 02:45:06 192.168.17.29-1 IGMPSNOOP[185429992]: igmp_snooping_debug.c(116) 908 % Pkt TX - Intf: 1/0/20(20), Vlan_Id:1 Src_Mac: 00:03:0e:00:00:00 Dest_Mac: 01:00:5e:00:00:01 Src_IP: 9.1.1.1 Dest_IP: 225.0.0.1 Type: V2_Membership_Report Group: 225.0.0.1 The following parameters are displayed in the trace message: Parameter TX Intf Src_Mac Dest_Mac Src_IP Dest_IP Definition A packet transmitted by the device. The interface that the packet went out on. Format used is unit/slot/port (internal interface number). Unit is always shown as 1 for interfaces on a non-stacking device. Source MAC address of the packet. Destination multicast MAC address of the packet. The source IP address in the IP header in the packet. The destination multicast IP address in the packet. Utility Commands 564