diff --git a/tests/daemon/face/generic-link-service.t.cpp b/tests/daemon/face/generic-link-service.t.cpp
index 8006fbb..693d393 100644
--- a/tests/daemon/face/generic-link-service.t.cpp
+++ b/tests/daemon/face/generic-link-service.t.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,
@@ -282,6 +282,24 @@
   BOOST_CHECK_EQUAL(service->getCounters().nOutOverMtu, 1);
 }
 
+// It is possible for some interfaces (e.g., virtual Ethernet) to have their MTU set to zero
+// This test case ensures that packets are dropped if the MTU is zero
+BOOST_AUTO_TEST_CASE(FragmentationDisabledZeroMtuDrop)
+{
+  // Initialize with Options that disable fragmentation
+  GenericLinkService::Options options;
+  options.allowFragmentation = false;
+  initialize(options);
+
+  transport->setMtu(0);
+
+  auto data = makeData("/test/data/123456789/987654321/123456789");
+  face->sendData(*data, 0);
+
+  BOOST_CHECK_EQUAL(transport->sentPackets.size(), 0);
+  BOOST_CHECK_EQUAL(service->getCounters().nOutOverMtu, 1);
+}
+
 BOOST_AUTO_TEST_CASE(FragmentationUnlimitedMtu)
 {
   // Initialize with Options that enable fragmentation
@@ -327,6 +345,24 @@
   BOOST_CHECK_GT(transport->sentPackets.size(), 1);
 }
 
+// It is possible for some interfaces (e.g., virtual Ethernet) to have their MTU set to zero
+// This test case ensures that packets are dropped if the MTU is zero
+BOOST_AUTO_TEST_CASE(FragmentationZeroMtuDrop)
+{
+  // Initialize with Options that enable fragmentation
+  GenericLinkService::Options options;
+  options.allowFragmentation = true;
+  initialize(options);
+
+  transport->setMtu(0);
+
+  auto data = makeData("/test/data/123456789/987654321/123456789");
+  face->sendData(*data, 0);
+
+  BOOST_CHECK_EQUAL(transport->sentPackets.size(), 0);
+  BOOST_CHECK_EQUAL(service->getCounters().nFragmentationErrors, 1);
+}
+
 BOOST_AUTO_TEST_CASE(ReassembleFragments)
 {
   // Initialize with Options that enables reassembly
diff --git a/tests/daemon/face/multicast-ethernet-transport.t.cpp b/tests/daemon/face/multicast-ethernet-transport.t.cpp
index 8dde05f..4e0df3c 100644
--- a/tests/daemon/face/multicast-ethernet-transport.t.cpp
+++ b/tests/daemon/face/multicast-ethernet-transport.t.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,
@@ -89,6 +89,25 @@
   BOOST_CHECK_EQUAL(transport->getState(), TransportState::UP);
 }
 
+BOOST_AUTO_TEST_CASE(NetifMtuChange)
+{
+  SKIP_IF_ETHERNET_NETIF_COUNT_LT(1);
+  initializeMulticast();
+  BOOST_CHECK_EQUAL(transport->getMtu(), netif->getMtu());
+
+  // netif changes MTU from initial value to 1024
+  netif->setMtu(1024);
+  BOOST_CHECK_EQUAL(transport->getMtu(), 1024);
+
+  // netif changes MTU from 1024 to 4000
+  netif->setMtu(4000);
+  BOOST_CHECK_EQUAL(transport->getMtu(), 4000);
+
+  // netif changes MTU from 4000 to 0
+  netif->setMtu(0);
+  BOOST_CHECK_EQUAL(transport->getMtu(), 0);
+}
+
 BOOST_AUTO_TEST_CASE(Close)
 {
   SKIP_IF_ETHERNET_NETIF_COUNT_LT(1);
diff --git a/tests/daemon/face/unicast-ethernet-transport.t.cpp b/tests/daemon/face/unicast-ethernet-transport.t.cpp
index 355a3ea..634a119 100644
--- a/tests/daemon/face/unicast-ethernet-transport.t.cpp
+++ b/tests/daemon/face/unicast-ethernet-transport.t.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,
@@ -58,6 +58,25 @@
   BOOST_CHECK_EQUAL(transport->canChangePersistencyTo(ndn::nfd::FACE_PERSISTENCY_PERMANENT), true);
 }
 
+BOOST_AUTO_TEST_CASE(NetifMtuChange)
+{
+  SKIP_IF_ETHERNET_NETIF_COUNT_LT(1);
+  initializeUnicast();
+  BOOST_CHECK_EQUAL(transport->getMtu(), netif->getMtu());
+
+  // netif changes MTU from initial value to 1024
+  netif->setMtu(1024);
+  BOOST_CHECK_EQUAL(transport->getMtu(), 1024);
+
+  // netif changes MTU from 1024 to 4000
+  netif->setMtu(4000);
+  BOOST_CHECK_EQUAL(transport->getMtu(), 4000);
+
+  // netif changes MTU from 4000 to 0
+  netif->setMtu(0);
+  BOOST_CHECK_EQUAL(transport->getMtu(), 0);
+}
+
 BOOST_AUTO_TEST_CASE(ExpirationTime)
 {
   SKIP_IF_ETHERNET_NETIF_COUNT_LT(1);