Tcpdump

tcpdump -i vr0

Запрос MAC-адреса 22:06:09.765351 arp who-has 192.168.1.22 tell 192.168.1.2

IP tcpdump -n -e -t -i rl0 "host 188.133.155.50"

Mac (?) tcpdump -n -e -t -i rl0 "ether src 00:19:5B:FA:7B:BB"

tcpdump -n -e -t -i stge0 "ether src or dst MAC"