diff --git a/xos/synchronizer/files/run_tcpdump.sh b/xos/synchronizer/files/run_tcpdump.sh
new file mode 100644
index 0000000..ed75bf0
--- /dev/null
+++ b/xos/synchronizer/files/run_tcpdump.sh
@@ -0,0 +1,9 @@
+#! /bin/bash
+INTERFACE=$1
+tcpdump -n -e -i $INTERFACE -c 100 &
+PID_TCPDUMP=$!
+curl http://www.xosproject.org/ &> /dev/null &
+PID_CURL=$!
+sleep 30s
+kill $PID_TCPDUMP
+kill $PIUD_CURL