diff --git a/src/route/routing-table.cpp b/src/route/routing-table.cpp
index 09b9430..371d977 100644
--- a/src/route/routing-table.cpp
+++ b/src/route/routing-table.cpp
@@ -156,7 +156,7 @@
 RoutingTable::scheduleRoutingTableCalculation(Nlsr& pnlsr)
 {
   if (pnlsr.getIsRouteCalculationScheduled() != true) {
-    m_scheduler.scheduleEvent(ndn::time::seconds(15),
+    m_scheduler.scheduleEvent(m_routingCalcInterval,
                               ndn::bind(&RoutingTable::calculate, this, ndn::ref(pnlsr)));
 
     pnlsr.setIsRouteCalculationScheduled(true);
diff --git a/src/route/routing-table.hpp b/src/route/routing-table.hpp
index 6dd3ef2..c85efe9 100644
--- a/src/route/routing-table.hpp
+++ b/src/route/routing-table.hpp
@@ -29,6 +29,7 @@
 #include <boost/cstdint.hpp>
 #include <ndn-cxx/util/scheduler.hpp>
 
+#include "conf-parameter.hpp"
 #include "routing-table-entry.hpp"
 
 namespace nlsr {
@@ -42,8 +43,10 @@
   RoutingTable(ndn::Scheduler& scheduler)
     : m_scheduler(scheduler)
     , m_NO_NEXT_HOP(-12345)
+    , m_routingCalcInterval(static_cast<uint32_t>(ROUTING_CALC_INTERVAL_DEFAULT))
   {
   }
+
   void
   calculate(Nlsr& pnlsr);
 
@@ -65,6 +68,18 @@
     return m_NO_NEXT_HOP;
   }
 
+  void
+  setRoutingCalcInterval(uint32_t interval)
+  {
+    m_routingCalcInterval = ndn::time::seconds(interval);
+  }
+
+  const ndn::time::seconds&
+  getRoutingCalcInterval() const
+  {
+    return m_routingCalcInterval;
+  }
+
 private:
   void
   calculateLsRoutingTable(Nlsr& pnlsr);
@@ -91,6 +106,8 @@
 
   std::list<RoutingTableEntry> m_rTable;
   std::list<RoutingTableEntry> m_dryTable;
+
+  ndn::time::seconds m_routingCalcInterval;
 };
 
 }//namespace nlsr