Tcpdump find dhcp leased

Different examples of useful tcpdump commands. | original source dhcp dump

tcpdump -i eth0 port 67 or port 68 -e -n -vv

Client-ID Option 61, length 7: ether ec:9b:f3:6b:97:4b
Requested-IP Option 50, length 4: 192.168.0.3
Server-ID Option 54, length 4: 192.168.0.1
MSZ Option 57, length 2: 1500
Vendor-Class Option 60, length 16: "android-dhcp-7.0"
Hostname Option 12, length 16: "SAMSUNG-SM-G890A"

Category:Tcpdump