discover = Ether(dst='ff:ff:ff:ff:ff:ff', src=cliMAC, type=2048) / IP(src=
    '0.0.0.0', dst='255.255.255.255') / UDP(dport=67, sport=68) / BOOTP(op=
    1, chaddr=cliMACchaddr) / DHCP(options=[('message-type', 'discover'),
    'end'])
Sending DHCP Discover using python scapy