7 debug igmpsnooping packet receive, 8 debug igmpsnooping packet, Utility commands at8902m – Kontron AT8902M CLI User Manual
Page 248

Utility Commands
AT8902M
AT8902M CLI Reference Manual
Page 5 - 48
5.11.6.1
no debug igmpsnooping transmit
This command disables tracing of transmitted IGMP snooping packets.
Format
no debug igmpsnooping transmit
Mode
Privileged EXEC
5.11.7
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: 1/0/20(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:
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.
5.11.7.1
no debug igmpsnooping receive
This command disables tracing of received IGMP Snooping packets.
Format
no debug igmpsnooping receive
Mode
Privileged EXEC
5.11.8
debug igmpsnooping packet
This command enables tracing of IGMP Snooping packets received and transmitted by
the switch.
Default
disabled