--- libelwix/example/test_n2.c	2016/05/14 12:45:03	1.3.48.1
+++ libelwix/example/test_n2.c	2016/05/14 13:12:43	1.3.48.2
@@ -12,6 +12,8 @@ main(int argc, char **argv)
 	struct in_addr a;
 	netaddr_t n, *n0;
 	inaddr_t t;
+	ether_addr_t ea;
+	char str[BUFSIZ];
 
 	a.s_addr = E_CIDRMASK(8);
 	printf("/8 = %08X %08x\n", a.s_addr, htonl(a.s_addr));
@@ -74,7 +76,16 @@ main(int argc, char **argv)
 	}
 
 	printf("Address is %s port is %u\n", AIT_GET_STR(&v), e_n2port(&addr));
-
 	AIT_FREE_VAL(&v);
+
+	if (argc < 3)
+		return 0;
+
+	val = ait_allocVar();
+	AIT_SET_STR(val, argv[2]);
+	if (!e_ether_addr(AIT_GET_STR(val), &ea))
+		printf("MAC address of iface=%s is %s\n", AIT_GET_STR(val), e_ether_ntoa(&ea, str, sizeof str));
+	ait_freeVar(&val);
+
 	return 0;
 }