PC 1: Clique droit tcpdump tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes 14:40:16.534494 IP 172.16.1.1 > 172.16.3.3: ICMP echo request, id 3, seq 1, length 64 14:40:16.534582 IP 172.16.3.3 > 172.16.1.1: ICMP echo reply, id 3, seq 1, length 64 14:40:21.665229 ARP, Request who-has 172.16.3.3 tell 172.16.1.1, length 28 14:40:21.665295 ARP, Request who-has 172.16.1.1 tell 172.16.3.3, length 28 14:40:21.665317 ARP, Reply 172.16.1.1 is-at 42:00:aa:00:00:03, length 28 14:40:21.665376 ARP, Reply 172.16.3.3 is-at 42:00:aa:00:00:05, length 28 14:41:28.225456 IP6 fe80::cfd:c6ff:fece:ca0c > ff02::2: ICMP6, router solicitation, length 16 PC 2: tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes 14:40:16.534541 IP 172.16.1.1 > 172.16.3.3: ICMP echo request, id 3, seq 1, length 64 14:40:16.534566 IP 172.16.3.3 > 172.16.1.1: ICMP echo reply, id 3, seq 1, length 64 14:40:21.665200 ARP, Request who-has 172.16.1.1 tell 172.16.3.3, length 28 14:40:21.665300 ARP, Request who-has 172.16.3.3 tell 172.16.1.1, length 28 14:40:21.665336 ARP, Reply 172.16.3.3 is-at 42:00:aa:00:00:05, length 28 14:40:21.665371 ARP, Reply 172.16.1.1 is-at 42:00:aa:00:00:03, length 28 Terminal HOST : [solar@salle229-06 TP20]$ sudo himage pc1 ping -c1 172.16.3.3 PING 172.16.3.3 (172.16.3.3) 56(84) bytes of data. 64 bytes from 172.16.3.3: icmp_seq=1 ttl=64 time=0.109 ms --- 172.16.3.3 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.109/0.109/0.109/0.000 ms