tcpdump -n -i eth1 icmp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
14:33:07.224813 IP 82.208.37.68 > 88.86.107.8: ICMP echo request, id 36190, seq 387, length 64
14:33:07.224843 IP 88.86.107.8 > 82.208.37.68: ICMP echo reply, id 36190, seq 387, length 64
14:33:08.372286 IP 82.208.37.68 > 88.86.107.8: ICMP echo request, id 36190, seq 388, length 64
14:33:08.372308 IP 88.86.107.8 > 82.208.37.68: ICMP echo reply, id 36190, seq 388, length 64
14:33:09.224724 IP 82.208.37.68 > 88.86.107.8: ICMP echo request, id 36190, seq 389, length 64
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