Managed Switch CLI Manual, Release 8.0
Utility Commands
6-65
v1.0, July 2009
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 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.
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.
Summary of Contents for FSM726v3 - ProSafe Fast Ethernet L2 Managed Switch
Page 4: ...v1 0 July 2009 iv...
