diff --git a/test_interest_loop/interest-loop-test.sh b/test_interest_loop/interest-loop-test.sh
index f917a06..7d0a81f 100755
--- a/test_interest_loop/interest-loop-test.sh
+++ b/test_interest_loop/interest-loop-test.sh
@@ -17,6 +17,10 @@
     r=$(ssh $b_ipaddr "sudo killall nfd 2>&1" 2>&1)
     r=$(ssh $c_ipaddr "sudo killall nfd 2>&1" 2>&1)
 }
+# generate nfd.conf: disable multicast faces
+cp /usr/local/etc/ndn/nfd.conf $workdir/nfd.conf
+ssh $CTRL_B "sed 's/mcast yes/mcast no/' /usr/local/etc/ndn/nfd.conf > $workdir/nfd.conf"
+ssh $CTRL_C "sed 's/mcast yes/mcast no/' /usr/local/etc/ndn/nfd.conf > $workdir/nfd.conf"
 
 # get keys
 echo "getting keys..."
diff --git a/test_interest_loop/nfd.conf b/test_interest_loop/nfd.conf
deleted file mode 100644
index 7c16261..0000000
--- a/test_interest_loop/nfd.conf
+++ /dev/null
@@ -1,46 +0,0 @@
-log
-{
-}
-
-face_system
-{
-  unix
-  {
-    listen yes
-    path /var/run/nfd.sock
-  }
-
-  tcp
-  {
-    listen yes
-    port 6363
-  }
-
-  udp
-  {
-    port 6363
-    idle_timeout 600
-    keep_alive_interval 25
-
-    mcast no ; Turn off UDP multicast.
-  }
-
-  ether
-  {
-    mcast no ; Turn off Ethernet multicast.
-  }
-}
-
-authorizations
-{
-  authorize
-  {
-    certfile keys/default.ndncert
-    privileges
-    {
-      faces
-      fib
-      strategy-choice
-    }
-  }
-}