diff --git a/tobiko/openstack/stacks/__init__.py b/tobiko/openstack/stacks/__init__.py
index 758d35007..43b4661bf 100644
--- a/tobiko/openstack/stacks/__init__.py
+++ b/tobiko/openstack/stacks/__init__.py
@@ -79,6 +79,7 @@ UbuntuImageFixture = _ubuntu.UbuntuImageFixture
 UbuntuMinimalImageFixture = _ubuntu.UbuntuMinimalImageFixture
 UbuntuServerStackFixture = _ubuntu.UbuntuServerStackFixture
 UbuntuMinimalServerStackFixture = _ubuntu.UbuntuMinimalServerStackFixture
+UbuntuExternalServerStackFixture = _ubuntu.UbuntuExternalServerStackFixture
 
 OctaviaLoadbalancerStackFixture = _octavia.OctaviaLoadbalancerStackFixture
 OctaviaListenerStackFixture = _octavia.OctaviaListenerStackFixture
diff --git a/tobiko/openstack/stacks/_nova.py b/tobiko/openstack/stacks/_nova.py
index d83094689..418ab0052 100644
--- a/tobiko/openstack/stacks/_nova.py
+++ b/tobiko/openstack/stacks/_nova.py
@@ -98,7 +98,12 @@ class ServerStackFixture(heat.HeatStackFixture, abc.ABC):
     network_stack = tobiko.required_setup_fixture(_neutron.NetworkStackFixture)
 
     #: whenever the server relies only on DHCP for address assignation
-    need_dhcp = False
+    @property
+    def need_dhcp(self) -> bool:
+        return not self.config_drive
+
+    #: whenever the server will use config-drive to get metadata
+    config_drive = False
 
     def create_stack(self, retry=None):
         self.ensure_quota_limits()
@@ -172,6 +177,13 @@ class ServerStackFixture(heat.HeatStackFixture, abc.ABC):
                               password=self.password,
                               connection_timeout=self.connection_timeout)
 
+    @property
+    def peer_ssh_client(self) -> typing.Optional[ssh.SSHClientFixture]:
+        """Nearest SSH client to an host that can see server fixed IPs ports
+
+        """
+        return self.ssh_client
+
     @property
     def ssh_command(self) -> sh.ShellCommand:
         return ssh.ssh_command(host=self.ip_address,
@@ -386,6 +398,8 @@ class ExternalServerStackFixture(ServerStackFixture, abc.ABC):
 
     config_drive = True
 
+    peer_ssh_client = None
+
     @property
     def floating_network(self):
         return self.network_stack.network_id
@@ -408,7 +422,11 @@ class PeerServerStackFixture(ServerStackFixture, abc.ABC):
                               username=self.username,
                               password=self.password,
                               connection_timeout=self.connection_timeout,
-                              proxy_jump=self.peer_stack.ssh_client)
+                              proxy_jump=self.peer_ssh_client)
+
+    @property
+    def peer_ssh_client(self) -> ssh.SSHClientFixture:
+        return self.peer_stack.ssh_client
 
     @property
     def ssh_command(self) -> sh.ShellCommand:
diff --git a/tobiko/openstack/stacks/_ubuntu.py b/tobiko/openstack/stacks/_ubuntu.py
index 98e8bb809..8e59b8a00 100644
--- a/tobiko/openstack/stacks/_ubuntu.py
+++ b/tobiko/openstack/stacks/_ubuntu.py
@@ -80,3 +80,8 @@ class UbuntuMinimalServerStackFixture(UbuntuServerStackFixture):
 
     #: Setup SWAP file in bytes
     swap_maxsize = 512 * 1024 * 1024  # 500 MB
+
+
+class UbuntuExternalServerStackFixture(UbuntuMinimalServerStackFixture,
+                                       _nova.ExternalServerStackFixture):
+    pass
diff --git a/tobiko/tests/scenario/neutron/test_port.py b/tobiko/tests/scenario/neutron/test_port.py
index eb98a640e..dd2596cd6 100644
--- a/tobiko/tests/scenario/neutron/test_port.py
+++ b/tobiko/tests/scenario/neutron/test_port.py
@@ -64,9 +64,10 @@ class PortTest(testtools.TestCase):
                 except self.failureException:
                     attempt.check_limits()
         elif ip_version:
-            self.skipTest(f"No port IPv{ip_version} addresses found")
+            self.skipTest(f"Server has any port IPv{ip_version} address to be"
+                          " tested")
         else:
-            self.skipTest("No port IP addresses found")
+            self.skipTest("Server has any port IP address to be tested")
 
     def test_port_network(self):
         self.assertEqual(self.stack.network_stack.network_id,
@@ -93,21 +94,19 @@ class PortTest(testtools.TestCase):
 
     def test_ping_port(self, network_id=None, device_id=None, ip_version=None):
         """Checks server can ping its own port"""
-        device_ips = neutron.list_device_ip_addresses(
+        port_ips = neutron.list_device_ip_addresses(
             device_id=device_id or self.stack.server_id,
             network_id=network_id or self.stack.network_stack.network_id,
-            enable_dhcp=True, ip_version=ip_version)
-        server_ips = ip.list_ip_addresses(scope='global',
-                                          ssh_client=self.stack.ssh_client)
-        # Remove IPs that hasn't been assigned to server
-        port_ips = tobiko.Selection(set(device_ips) & set(server_ips))
+            need_dhcp=self.stack.need_dhcp, ip_version=ip_version)
         if port_ips:
             ping.assert_reachable_hosts(port_ips,
-                                        ssh_client=self.stack.ssh_client)
+                                        timeout=600.,
+                                        ssh_client=self.stack.peer_ssh_client)
         elif ip_version:
-            self.skipTest(f"No port IPv{ip_version} addresses found")
+            self.skipTest(f"Server has any port IPv{ip_version} address to be"
+                          " tested")
         else:
-            self.skipTest("No port IP addresses found")
+            self.skipTest("Server has any port IP address to be tested")
 
 
 # --- Test opening ports on external network ----------------------------------
@@ -130,6 +129,15 @@ class CentosExternalPortTest(PortTest):
         stacks.CentosExternalServerStackFixture)
 
 
+@stacks.skip_unless_has_external_network
+class UbuntuExternalPortTest(PortTest):
+    """Test Neutron ports"""
+
+    #: Resources stack with Nova server to send messages to
+    stack = tobiko.required_setup_fixture(
+        stacks.UbuntuExternalServerStackFixture)
+
+
 # --- Test la-h3 extension ----------------------------------------------------
 
 @neutron.skip_if_missing_networking_extensions('l3-ha')