Use this command to trace IGMP packet reception and transmission. receive traces only received IGMP packets and transmit traces only transmitted IGMP packets. When neither keyword is used in the command, then all IGMP packet traces are dumped. Vital information such as source address, destination address, control packet type, packet length, and the interface on which the packet is received or transmitted is displayed on the console.
| Default | Disabled |
| Format | debug ip igmp packet [receive | transmit] |
| Mode | Privileged EXEC |