diff --git a/nfd/debian/ndn-autoconfig-server.default b/nfd/debian/ndn-autoconfig-server.default
index ccad435..202f048 100644
--- a/nfd/debian/ndn-autoconfig-server.default
+++ b/nfd/debian/ndn-autoconfig-server.default
@@ -8,3 +8,9 @@
 # FACE_URI="udp4://spurs.cs.ucla.edu"
 # FACE_URI="udp6://spurs.cs.ucla.edu"
 # FACE_URI="tcp://spurs.cs.ucla.edu"
+
+# Routable prefixes of the router
+ROUTABLE_PREFIXES=""
+
+# Examples:
+# ROUTABLE_PREFIXES="-p /ndn/edu/ucla"