Use the dump dhcprelay stat command to display the DHCP relay statistics for all configured interfaces. Statistics displayed for each interface include Process ID of the DHCP Relay Process and DHCP statistics. DHCP statistics include number of requests, number of responses, packets dropped, packets acknowledged, packets not-acknowledged and packets declined.

dump dhcprelay stat

clear dhcprelay stat

dump dhcprelay stat
				Interface : eth0
				Pid : 15109
				Request : 0
				Request Relayed : 0
				Response : 0
				Response Relayed: 0
				Drop : 0
				NACK : 0
				Decline : 0
				ACK : 0