diff --git a/netbox/dcim/tests/test_views.py b/netbox/dcim/tests/test_views.py
index 8f33c3df1..2e6d5ebc5 100644
--- a/netbox/dcim/tests/test_views.py
+++ b/netbox/dcim/tests/test_views.py
@@ -3290,8 +3290,10 @@ class CableTestCase(
             Device(name='Device 1', site=sites[0], device_type=devicetype, role=role),
             Device(name='Device 2', site=sites[0], device_type=devicetype, role=role),
             Device(name='Device 3', site=sites[0], device_type=devicetype, role=role),
+            Device(name='Device 4', site=sites[0], device_type=devicetype, role=role),
             # Create 'Device 1' assigned to 'Site 2' (allowed since the site is different)
             Device(name='Device 1', site=sites[1], device_type=devicetype, role=role),
+            Device(name='Device 5', site=sites[1], device_type=devicetype, role=role),
         )
         Device.objects.bulk_create(devices)
 
@@ -3300,22 +3302,36 @@ class CableTestCase(
         vc.save()
 
         interfaces = (
+            # Device 1, Site 1
             Interface(device=devices[0], name='Interface 1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[0], name='Interface 2', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[0], name='Interface 3', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            # Device 2, Site 1
             Interface(device=devices[1], name='Interface 1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[1], name='Interface 2', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[1], name='Interface 3', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            # Device 3, Site 1
             Interface(device=devices[2], name='Interface 1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[2], name='Interface 2', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[2], name='Interface 3', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            # Device 3, Site 1
             Interface(device=devices[3], name='Interface 1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[3], name='Interface 2', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[3], name='Interface 3', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            # Device 1, Site 2
+            Interface(device=devices[4], name='Interface 1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            Interface(device=devices[4], name='Interface 2', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            Interface(device=devices[4], name='Interface 3', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+
+            # Device 1, Site 2
+            Interface(device=devices[5], name='Interface 1', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            Interface(device=devices[5], name='Interface 2', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            Interface(device=devices[5], name='Interface 3', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+
             Interface(device=devices[1], name='Device 2 Interface', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
             Interface(device=devices[2], name='Device 3 Interface', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
-            Interface(device=devices[3], name='Interface 4', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
-            Interface(device=devices[3], name='Interface 5', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            Interface(device=devices[4], name='Interface 4', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
+            Interface(device=devices[4], name='Interface 5', type=InterfaceTypeChoices.TYPE_1GE_FIXED),
         )
         Interface.objects.bulk_create(interfaces)
 
@@ -3342,16 +3358,29 @@ class CableTestCase(
             'tags': [t.pk for t in tags],
         }
 
-        # Ensure that CSV bulk import supports assigning terminations from parent devices that share
-        # the same device name, provided those devices belong to different sites.
-        cls.csv_data = (
-            "side_a_site,side_a_device,side_a_type,side_a_name,side_b_site,side_b_device,side_b_type,side_b_name",
-            "Site 1,Device 3,dcim.interface,Interface 1,Site 2,Device 1,dcim.interface,Interface 1",
-            "Site 1,Device 3,dcim.interface,Interface 2,Site 2,Device 1,dcim.interface,Interface 2",
-            "Site 1,Device 3,dcim.interface,Interface 3,Site 2,Device 1,dcim.interface,Interface 3",
-            "Site 1,Device 1,dcim.interface,Device 2 Interface,Site 2,Device 1,dcim.interface,Interface 4",
-            "Site 1,Device 1,dcim.interface,Device 3 Interface,Site 2,Device 1,dcim.interface,Interface 5",
-        )
+        cls.csv_data = {
+            'default': (
+                "side_a_device,side_a_type,side_a_name,side_b_device,side_b_type,side_b_name",
+                "Device 4,dcim.interface,Interface 1,Device 5,dcim.interface,Interface 1",
+                "Device 3,dcim.interface,Interface 2,Device 4,dcim.interface,Interface 2",
+                "Device 3,dcim.interface,Interface 3,Device 4,dcim.interface,Interface 3",
+
+                # The following is no longer possible in this scenario, because there are multiple
+                # devices named "Device 1" across multiple sites. See the "site-filtering" scenario
+                # below for how to specify a site for non-unique device names.
+                # "Device 1,dcim.interface,Device 3 Interface,Device 4,dcim.interface,Interface 5",
+            ),
+            'site-filtering': (
+                # Ensure that CSV bulk import supports assigning terminations from parent devices
+                # that share the same device name, provided those devices belong to different sites.
+                "side_a_site,side_a_device,side_a_type,side_a_name,side_b_site,side_b_device,side_b_type,side_b_name",
+                "Site 1,Device 3,dcim.interface,Interface 1,Site 2,Device 1,dcim.interface,Interface 1",
+                "Site 1,Device 3,dcim.interface,Interface 2,Site 2,Device 1,dcim.interface,Interface 2",
+                "Site 1,Device 3,dcim.interface,Interface 3,Site 2,Device 1,dcim.interface,Interface 3",
+                "Site 1,Device 1,dcim.interface,Device 2 Interface,Site 2,Device 1,dcim.interface,Interface 4",
+                "Site 1,Device 1,dcim.interface,Device 3 Interface,Site 2,Device 1,dcim.interface,Interface 5",
+            )
+        }
 
         cls.csv_update_data = (
             "id,label,color",