ethernet.py

import pcapy
from impacket.ImpactDecoder import *
from impacket.ImpactPacket import *

def get_interface():
    devs = pcapy.findalldevs()
    i=0
    for eth in devs:
        print " %d - %s" %(i,devs[i])
        i+=1

if __name__ == "__main__":
    dev = get_interface()