diff --git a/daemon/face/transport.cpp b/daemon/face/transport.cpp
index 7b1bb18..18d8608 100644
--- a/daemon/face/transport.cpp
+++ b/daemon/face/transport.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2020,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -124,6 +124,22 @@
   m_service->receivePacket(packet, endpoint);
 }
 
+void
+Transport::setMtu(ssize_t mtu)
+{
+  BOOST_ASSERT(mtu == MTU_UNLIMITED || mtu >= 0);
+
+  if (mtu == m_mtu) {
+    return;
+  }
+
+  if (m_mtu != MTU_INVALID) {
+    NFD_LOG_FACE_INFO("setMtu " << m_mtu << " -> " << mtu);
+  }
+
+  m_mtu = mtu;
+}
+
 bool
 Transport::canChangePersistencyTo(ndn::nfd::FacePersistency newPersistency) const
 {