diff --git a/src/core/backbone_router/bbr_local.cpp b/src/core/backbone_router/bbr_local.cpp
index 1c7f5e2cc..dc48eafe1 100644
--- a/src/core/backbone_router/bbr_local.cpp
+++ b/src/core/backbone_router/bbr_local.cpp
@@ -62,7 +62,7 @@ Local::Local(Instance &aInstance)
 
     // Primary Backbone Router Aloc
     mBackboneRouterPrimaryAloc.InitAsThreadOriginRealmLocalScope();
-    mBackboneRouterPrimaryAloc.GetAddress().GetIid().SetLocator(Mle::kAloc16BackboneRouterPrimary);
+    mBackboneRouterPrimaryAloc.GetAddress().GetIid().SetToLocator(Mle::kAloc16BackboneRouterPrimary);
 
     // All Network Backbone Routers Multicast Address.
     mAllNetworkBackboneRouters.Clear();
diff --git a/tests/scripts/thread-cert/test_pbbr_aloc.py b/tests/scripts/thread-cert/test_pbbr_aloc.py
new file mode 100755
index 000000000..be55cb63f
--- /dev/null
+++ b/tests/scripts/thread-cert/test_pbbr_aloc.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python3
+#
+#  Copyright (c) 2021, The OpenThread Authors.
+#  All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are met:
+#  1. Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#  2. Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in the
+#     documentation and/or other materials provided with the distribution.
+#  3. Neither the name of the copyright holder nor the
+#     names of its contributors may be used to endorse or promote products
+#     derived from this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+#  POSSIBILITY OF SUCH DAMAGE.
+#
+import re
+import unittest
+
+import thread_cert
+from config import MESH_LOCAL_PREFIX_REGEX_PATTERN, ROUTING_LOCATOR_REGEX_PATTERN
+from pktverify.packet_verifier import PacketVerifier
+
+# Test description:
+# The purpose of this test is to verify ALOC connectivity.
+#
+# Topology:
+#
+#
+#  PBBR ----- LEADER ---- ROUTER
+#
+#
+
+LEADER = 1
+PBBR = 2
+ROUTER = 3
+
+
+class TestPing(thread_cert.TestCase):
+    USE_MESSAGE_FACTORY = False
+    SUPPORT_NCP = False
+    SUPPORT_THREAD_1_1 = False
+
+    TOPOLOGY = {
+        LEADER: {
+            'name': 'Router_1',
+            'allowlist': [PBBR, ROUTER],
+            'router_selection_jitter': 2,
+        },
+        PBBR: {
+            'name': 'Router_2',
+            'allowlist': [LEADER],
+            'router_selection_jitter': 2,
+            'is_bbr': True,
+        },
+        ROUTER: {
+            'name': 'Router_3',
+            'allowlist': [LEADER],
+            'router_selection_jitter': 2,
+        },
+    }
+
+    def test(self):
+        leader = self.nodes[LEADER]
+        pbbr = self.nodes[PBBR]
+        router = self.nodes[ROUTER]
+
+        leader.start()
+        self.simulator.go(5)
+        self.assertEqual('leader', leader.get_state())
+
+        pbbr.enable_backbone_router()
+        pbbr.start()
+        self.simulator.go(10)
+        self.assertEqual('router', pbbr.get_state())
+        self.assertTrue(pbbr.is_primary_backbone_router)
+
+        router.start()
+        self.simulator.go(10)
+        self.assertEqual('router', router.get_state())
+
+        for node in (leader, pbbr):
+            for addr in self.get_alocs(node):
+                self.assertTrue(router.ping(addr))
+
+    def verify(self, pv: PacketVerifier):
+        pkts = pv.pkts
+        # Must sure no ADDR_QUERY.qry is ever sent
+        pkts.filter_coap_request('/a/aq').must_not_next()
+
+    def get_alocs(self, node):
+        mleid = node.get_mleid()
+        for ip in node.get_addrs():
+            if not re.match(MESH_LOCAL_PREFIX_REGEX_PATTERN, ip):
+                continue
+
+            if ip == mleid:
+                continue
+
+            self.assertIsNotNone(re.match(ROUTING_LOCATOR_REGEX_PATTERN, ip), ip)
+            locator = int(ip.split(':')[-1], 16)
+            if locator >= 0xfc00:
+                yield ip
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/scripts/thread-cert/thread_cert.py b/tests/scripts/thread-cert/thread_cert.py
index 6d61a5c56..de4dab564 100644
--- a/tests/scripts/thread-cert/thread_cert.py
+++ b/tests/scripts/thread-cert/thread_cert.py
@@ -93,6 +93,7 @@ class TestCase(NcpSupportMixin, unittest.TestCase):
     USE_MESSAGE_FACTORY = True
     TOPOLOGY = None
     CASE_WIRESHARK_PREFS = None
+    SUPPORT_THREAD_1_1 = True
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -103,6 +104,9 @@ class TestCase(NcpSupportMixin, unittest.TestCase):
         self._do_packet_verification = PACKET_VERIFICATION and hasattr(self, 'verify')
 
     def setUp(self):
+        if ENV_THREAD_VERSION == '1.1' and not self.SUPPORT_THREAD_1_1:
+            self.skipTest('Thread 1.1 not supported.')
+
         try:
             self._setUp()
         except:
@@ -246,7 +250,7 @@ class TestCase(NcpSupportMixin, unittest.TestCase):
                 f'{self.test_name}: Packet Verification not available on {os.uname().sysname} (Linux only).')
 
         if self._do_packet_verification:
-            time.sleep(3)
+            self.simulator.go(3)
 
         if self._has_backbone_traffic():
             # Stop Backbone sniffer before stopping nodes so that we don't capture Codecov Uploading traffic
diff --git a/third_party/openthread-test-driver/test-driver b/third_party/openthread-test-driver/test-driver
index 03ae4fe5e..96f6db86f 100755
--- a/third_party/openthread-test-driver/test-driver
+++ b/third_party/openthread-test-driver/test-driver
@@ -116,7 +116,7 @@ while true; do
 done
 
 # Run a test
-TEST_NAME="${test_name}" PORT_OFFSET=$OFFSET "$@" >$log_file 2>&1
+TEST_NAME="${test_name}" PORT_OFFSET=$OFFSET python3 "$@" >$log_file 2>&1
 estatus=$?
 
 # Return the offset