diff --git a/docker/dash-listen.py b/docker/dash-listen.py
index f9078bf..c6f9236 100644
--- a/docker/dash-listen.py
+++ b/docker/dash-listen.py
@@ -8,9 +8,11 @@
 #import requests
 
 DASH_MAC_ADDRESS=os.environ.get('DASH_MAC_ADDRESS')
+DASH_INTERFACE=os.environ.get('DASH_INTERFACE')
 #URL_CALLBACK=os.environ.get('URL_CALLBACK')
 
 def arp_display(pkt):
+	print pkt[ARP].hwsrc + " " + pkt[ARP].psrc + " op:" + str(pkt[ARP].op)
 	if pkt[ARP].op == 1: #who-has (request)
 		if pkt[ARP].psrc == '0.0.0.0': # ARP Probe
 			if pkt[ARP].hwsrc == DASH_MAC_ADDRESS:
@@ -24,12 +26,12 @@
 # end apr_display
 
 
-while True:
-	try:
-		print "start"
-		print sniff(prn=arp_display, filter="arp", store=0, count=10)
-	except:
-		pass
-	# end try
+#while True:
+#	try:
+#		print sniff(prn=arp_display, iface="eth0", filter="arp", store=0, count=10)
+#	except:
+#		pass
+#	# end try
 # end while
 
+print sniff(prn=arp_display, iface=DASH_INTERFACE, filter="arp", store=0, count=10)