from scapy.all import *
import sys


l2 = Ether(dst="00:23:7d:00:d0:a8")/Dot1Q(vlan=20, prio=3)
l2.show()
l3 = IP(dst="192.168.0.10", src="192.168.0.20", tos=72)
l3.show()

sendp(l2/l3, iface="Intel(R) Ethernet Connection (13) I219-V")