Hieronder zie je wat mijn laptop op de kabel zet als hij een DHCP-request dooet. In optie t=12 zie je de naam van mijn laptop, Kowboy. Je router ontvangt dus gewoon de standaard info.
No. Time Source Destination Protocol Info
180 102.019416 0.0.0.0 255.255.255.255 DHCP DHCP Request - Transaction ID 0x933a086e
Frame 180 (342 bytes on wire, 342 bytes captured)
Ethernet II, Src: IntelCor_6e:58:a3 (00:1b:77:6e:58:a3), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Internet Protocol, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255)
User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67)
Source port: bootpc (68)
Destination port: bootps (67)
Length: 308
Checksum: 0x5be6 [validation disabled]
Bootstrap Protocol
Message type: Boot Request (1)
Hardware type: Ethernet
Hardware address length: 6
Hops: 0
Transaction ID: 0x933a086e
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
Client IP address: 0.0.0.0 (0.0.0.0)
Your (client) IP address: 0.0.0.0 (0.0.0.0)
Next server IP address: 0.0.0.0 (0.0.0.0)
Relay agent IP address: 0.0.0.0 (0.0.0.0)
Client MAC address: IntelCor_6e:58:a3 (00:1b:77:6e:58:a3)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: (OK)
Option: (t=53,l=1) DHCP Message Type = DHCP Request
Option: (53) DHCP Message Type
Length: 1
Value: 03
Option: (t=50,l=4) Requested IP Address = 172.31.13.228
Option: (50) Requested IP Address
Length: 4
Value: AC1F0DE4
Option: (t=12,l=6) Host Name = "Kowboy"
Option: (12) Host Name
Length: 6
Value: 4B6F77626F79
Option: (t=55,l=13) Parameter Request List
Option: (55) Parameter Request List