CLI Guide

Switch Management Commands 2146
debug ip dvmrp
Use the debug ip dvmrp to trace DVMRP packet reception and transmission.
The receive option traces only received DVMRP packets and the transmit
option traces only transmitted DVMRP packets. When neither keyword is
used in the command, all DVMRP 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.
Syntax
debug ip dvmrp packet [receive | transmit]
no debug ip dvmrp packet [receive | transmit]
Default Configuration
Display of DVMRP traces is disabled by default.
Command Mode
Privileged Exec mode.
User Guidelines
Debug output should be enabled with caution. Switch behavior may be
adversely affected by the additional processing load incurred from enabling
debug.
Example
console#debug ip dvmrp packet
debug ip igmp
Use the debug ip igmp command to trace IGMP packet reception and
transmission. The receive option traces only received IGMP packets and the
transmit option 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