*-------------------------------------
* konfiguracija vmesnika na PC-ju

[root@ciprnik ~]# arp -an
? (153.5.188.1) at 00:0D:BD:E1:D3:C0 [ether] on eth2
? (153.5.188.2) at 00:0D:BC:E6:9B:80 [ether] on eth2
? (153.5.188.5) at 00:13:20:80:C7:06 [ether] on eth2

*-------------------------------------
* pozeni tcpdump in izvedi ping sistema, ki se ni v ARP tabeli

[root@ciprnik ~]# ping 153.5.188.3
PING 153.5.188.3 (153.5.188.3) 56(84) bytes of data.
64 bytes from 153.5.188.3: icmp_seq=1 ttl=255 time=1.49 ms
64 bytes from 153.5.188.3: icmp_seq=2 ttl=255 time=2.85 ms
64 bytes from 153.5.188.3: icmp_seq=3 ttl=255 time=1.50 ms
...

[root@ciprnik ~]# tcpdump -v -i eth2
tcpdump: listening on eth2, link-type EN10MB (Ethernet), capture size 96 bytes
13:12:45.426190 arp who-has switch3.delavnica.arnes.si tell 153.5.188.31
13:12:45.427678 arp reply switch3.delavnica.arnes.si is-at 00:0f:f7:5c:0b:40
13:12:45.427690 IP (tos 0x0, ttl  64, id 0, offset 0, flags [DF], proto 1, length: 84) 153.5.188.31 > switch3.delavnica.arnes.si: icmp 64: echo request seq 0
13:12:45.429409 arp who-has 153.5.188.31 tell switch3.delavnica.arnes.si
13:12:45.429422 arp reply 153.5.188.31 is-at 00:11:95:5c:ec:aa
13:12:46.425124 IP (tos 0x0, ttl  64, id 0, offset 0, flags [DF], proto 1, length: 84) 153.5.188.31 > switch3.delavnica.arnes.si: icmp 64: echo request seq 1
13:12:46.426591 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto 1, length: 84) switch3.delavnica.arnes.si > 153.5.188.31: icmp 64: echo reply seq 1
13:12:47.425962 IP (tos 0x0, ttl  64, id 0, offset 0, flags [DF], proto 1, length: 84) 153.5.188.31 > switch3.delavnica.arnes.si: icmp 64: echo request seq 2
13:12:47.428780 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto 1, length: 84) switch3.delavnica.arnes.si > 153.5.188.31: icmp 64: echo reply seq 2
13:12:48.426825 IP (tos 0x0, ttl  64, id 0, offset 0, flags [DF], proto 1, length: 84) 153.5.188.31 > switch3.delavnica.arnes.si: icmp 64: echo request seq 3
13:12:48.428294 IP (tos 0x0, ttl 255, id 0, offset 0, flags [DF], proto 1, length: 84) switch3.delavnica.arnes.si > 153.5.188.31: icmp 64: echo reply seq 3
