Command Reference Guide

Serviceability Packet Tracing Commands
CLI Command Reference
September 2014 Page 224
HP Moonshot Switch Module CLI Command Reference
debug igmpsnooping packet
This command enables tracing of IGMP Snooping packets received and transmitted by the switch.
no debug igmpsnooping packet
This command disables tracing of IGMP Snooping packets.
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.
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 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:
Default disabled
Format
debug igmpsnooping packet
Mode Privileged EXEC
Format
no debug igmpsnooping packet
Mode Privileged EXEC
Default disabled
Format
debug igmpsnooping packet transmit
Mode Privileged EXEC
Parameter Definition
TX A packet transmitted by the device.
Intf 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.
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.