IP 192.1.2.23 > 192.1.2.45: ICMP echo request seq 0, length 64
IP 192.1.2.45 > 192.1.2.23: ICMP echo reply seq 0, length 64
IP 192.1.2.23 > 192.1.2.45: ICMP echo request seq 0, length 64
IP 192.1.2.45 > 192.1.2.23: ICMP echo reply seq 0, length 64
