Trama de ARP Request: (tlm26 $\to$ tlm34)

ff ff ff ff ff ff 0 10 4b 95 ce a7 8 6 0 1 8 0 6 4 0 1 0 10 4b 95 ce a7 1 1 1 1a 
0 0 0 0 0 0 1 1 1 22 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 

Nivel: Ethernet
        Direccion MAC origen (48) = 0:10:4b:95:ce:a7 (0x00104b95cea7)
        Direccion MAC destino (48) = ff:ff:ff:ff:ff:ff (0xffffffffffff)
        Tipo (16) = Ethernet II + ARP (IP, CHAOSnet)  (2054 dez.) (0x0806)
        Bytes de datos = 46
Nivel: ARP Tam: 28
        Hardware Type (16) = Ethernet 10 Mbps (0x0001)
        Protocol Type (16) = IP DoD    (2048 dez.) (0x0800)
        Hardware Length (8) = 6 (0x06)
        Software Length (8) = 4 (0x04)
        Operation Code (16) = ARP Request (0x0001)
        Hardware sourde address (48) = 0:10:4b:95:ce:a7 (0x00104b95cea7)
        Software source address (32) = 1.1.1.26 (0x0101011a)
        Hardware destination address (48) = 0:0:0:0:0:0 (0x000000000000)
        Software destination address (32) = 1.1.1.34 (0x01010122)
        Bytes de datos = 0

Trama de ARP Reply:

0 10 4b 95 ce a7 0 10 4b 99 9d 17 8 6 0 1 8 0 6 4 0 2 0 10 4b 99 9d 17 1 1 1 22 
0 10 4b 95 ce a7 1 1 1 1a 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 

Nivel: Ethernet
        Direccion MAC origen (48) = 0:10:4b:99:9d:17 (0x00104b999d17)
        Direccion MAC destino (48) = 0:10:4b:95:ce:a7 (0x00104b95cea7)
        Tipo (16) = Ethernet II + ARP (IP, CHAOSnet)  (2054 dez.) (0x0806)
        Bytes de datos = 46
Nivel: ARP Tam: 28
        Hardware Type (16) = Ethernet 10 Mbps (0x0001)
        Protocol Type (16) = IP DoD    (2048 dez.) (0x0800)
        Hardware Length (8) = 6 (0x06)
        Software Length (8) = 4 (0x04)
        Operation Code (16) = ARP Reply (0x0002)
        Hardware sourde address (48) = 0:10:4b:99:9d:17 (0x00104b999d17)
        Software source address (32) = 1.1.1.34 (0x01010122)
        Hardware destination address (48) = 0:10:4b:95:ce:a7 (0x00104b95cea7)
        Software destination address (32) = 1.1.1.26 (0x0101011a)
        Bytes de datos = 0

Ejemplo con tcpdump: (tlm26 $\to$ tlm34)

[root@tlm15 /root]# tcpdump arp
Kernel filter, protocol ALL, datagram packet socket
tcpdump: listening on all devices
21:04:17.441761 eth0 B arp who-has tlm34.net.tlm.unavarra.es tell tlm26.net.tlm.unavarra.es
21:04:17.441809 eth0 P arp reply tlm34.net.tlm.unavarra.es is-at 0:10:4b:99:9d:17 
(0:10:4b:95:ce:a7)