/root/bin >tcpdump -i xl0 -n -t -c 15
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on xl0, link-type EN10MB (Ethernet), capture size 262144 bytes
IP 10.0.10.31.41276 > 209.18.47.61.53: 51737+ A? freebsd.org. (29)
ARP, Request who-has 10.0.10.31 tell 10.0.10.2, length 46
ARP, Reply 10.0.10.31 is-at 02:a0:73:db:2f:0b, length 28
IP 209.18.47.61.53 > 10.0.10.31.41276: 51737 1/0/0 A 96.47.72.84 (45)
IP 10.0.10.31 > 96.47.72.84: ICMP echo request, id 52230, seq 0, length 64
IP 96.47.72.84 > 10.0.10.31: ICMP echo reply, id 52230, seq 0, length 64
IP 10.0.10.31 > 96.47.72.84: ICMP echo request, id 52230, seq 1, length 64
IP 96.47.72.84 > 10.0.10.31: ICMP echo reply, id 52230, seq 1, length 64