public CamadaRede() {
super();
tabelaEnderecosMacIp = new Hashtable<String, int[]>();
ce = new CamadaEnlace();
ce.add(this);
arp = new Arp(ce);
lista = Collections.synchronizedList(new ArrayList<PacoteIp>());
ce.setPriority(Thread.MIN_PRIORITY);
ce.start();
// this.start();
}
