D-Link DWS-4000 Series Cli Command Reference page 467

debug igmpsnooping packet receive
This command enables tracing of IGMP Snooping packets received by the switch. Snooping should be enabled on the
device and the interface in order to monitor packets for a particular interface.
Default disabled
Format
debug igmpsnooping packet receive
Mode Privileged EXEC
A sample output of the trace message is shown below.
<15> JAN 01 02:45:06 192.168.17.29-1 IGMPSNOOP[185429992]: igmp_snooping_debug.c(116) 908 %
Pkt RX - Intf: 0/20(20), Vlan_Id:1 Src_Mac: 00:03:0e:00:00:10 Dest_Mac: 01:00:5e:00:00:05
Src_IP: 11.1.1.1 Dest_IP: 225.0.0.5 Type: Membership_Query Group: 225.0.0.5
The following parameters are displayed in the trace message:
Parameter Definition
RX A packet received by the device.
Intf The interface that the packet went out on. Format used is slot/port (internal interface number).
Src_Mac Source MAC address of the packet.
Dest_Mac Destination multicast MAC address of the packet.
Src_IP The source IP address in the ip header in the packet.
Dest_IP The destination multicast ip address in the packet.
Type The type of IGMP packet. Type can be one of the following:
• Membership_Query – IGMP Membership Query
• V1_Membership_Report – IGMP Version 1 Membership Report
• V2_Membership_Report – IGMP Version 2 Membership Report
• V3_Membership_Report – IGMP Version 3 Membership Report
• V2_Leave_Group – IGMP Version 2 Leave Group
Group Multicast group address in the IGMP header.
no debug igmpsnooping receive
This command disables tracing of received IGMP Snooping packets.
Format
no debug igmpsnooping receive
Mode Privileged EXEC
debug ip acl
Use this command to enable debug of IP Protocol packets matching the ACL criteria.
Default disabled
Format
debug ip acl <acl Number>
Mode Privileged EXEC
Serviceability Packet Tracing Commands
459