diff --git a/NFD/daemon/face/face.cpp b/NFD/daemon/face/face.cpp
index 7d3c1b7..61cc166 100644
--- a/NFD/daemon/face/face.cpp
+++ b/NFD/daemon/face/face.cpp
@@ -35,6 +35,7 @@
   , m_localUri(localUri)
   , m_isOnDemand(false)
   , m_isFailed(false)
+  , m_metric(0)
 {
   onReceiveInterest += [this](const ndn::Interest&) { ++m_counters.getNInInterests(); };
   onReceiveData     += [this](const ndn::Data&) {     ++m_counters.getNInDatas(); };
diff --git a/NFD/daemon/face/face.hpp b/NFD/daemon/face/face.hpp
index 40a77a1..803d62a 100644
--- a/NFD/daemon/face/face.hpp
+++ b/NFD/daemon/face/face.hpp
@@ -123,6 +123,12 @@
   virtual const std::string&
   getDescription() const;
 
+  void
+  setMetric(uint64_t metric);
+
+  uint64_t
+  getMetric() const;
+
   /** \brief Get whether face is connected to a local app
    */
   bool
@@ -200,6 +206,7 @@
   FaceUri m_localUri;
   bool m_isOnDemand;
   bool m_isFailed;
+  uint64_t m_metric;
 
   // allow setting FaceId
   friend class FaceTable;
@@ -247,6 +254,18 @@
   return m_isOnDemand;
 }
 
+inline void
+Face::setMetric(uint64_t metric)
+{
+  m_metric = metric;
+}
+
+inline uint64_t
+Face::getMetric() const
+{
+  return m_metric;
+}
+
 } // namespace nfd
 
 #endif // NFD_DAEMON_FACE_FACE_HPP