254 Serviceability Packet Tracing Commands
no debug
igmpsnooping
transmit
This command disables tracing of transmitted IGMP snooping packets.
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.
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
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.
Parameter Definition
Format
no debug igmpsnooping transmit
Mode Privileged EXEC
Default disabled
Format
debug igmpsnooping packet receive
Mode Privileged EXEC
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