diff --git a/docs/release-notes/version-2.11.md b/docs/release-notes/version-2.11.md
index b7d642d18..69ef5936f 100644
--- a/docs/release-notes/version-2.11.md
+++ b/docs/release-notes/version-2.11.md
@@ -14,6 +14,7 @@
 * [#6240](https://github.com/netbox-community/netbox/issues/6240) - Fix display of available VLAN ranges under VLAN group view
 * [#6308](https://github.com/netbox-community/netbox/issues/6308) - Fix linking of available VLANs in VLAN group view
 * [#6309](https://github.com/netbox-community/netbox/issues/6309) - Restrict parent VM interface assignment to the parent VM
+* [#6312](https://github.com/netbox-community/netbox/issues/6312) - Interface device filter should return all virtual chassis interfaces only if device is master
 * [#6313](https://github.com/netbox-community/netbox/issues/6313) - Fix device type instance count under manufacturer view
 * [#6321](https://github.com/netbox-community/netbox/issues/6321) - Restore "add an IP" button under prefix IPs view
 * [#6333](https://github.com/netbox-community/netbox/issues/6333) - Fix filtering of circuit terminations by primary key
diff --git a/netbox/dcim/forms.py b/netbox/dcim/forms.py
index fea5142e4..acaa3f4ec 100644
--- a/netbox/dcim/forms.py
+++ b/netbox/dcim/forms.py
@@ -2153,7 +2153,7 @@ class DeviceForm(BootstrapMixin, TenancyForm, CustomFieldModelForm):
                 ip_choices = [(None, '---------')]
 
                 # Gather PKs of all interfaces belonging to this Device or a peer VirtualChassis member
-                interface_ids = self.instance.vc_interfaces().values_list('pk', flat=True)
+                interface_ids = self.instance.vc_interfaces(if_master=False).values_list('pk', flat=True)
 
                 # Collect interface IPs
                 interface_ips = IPAddress.objects.filter(
diff --git a/netbox/dcim/models/devices.py b/netbox/dcim/models/devices.py
index f2a7ad294..e8c7d5b51 100644
--- a/netbox/dcim/models/devices.py
+++ b/netbox/dcim/models/devices.py
@@ -716,7 +716,7 @@ class Device(PrimaryModel, ConfigContextModel):
                 pass
 
         # Validate primary IP addresses
-        vc_interfaces = self.vc_interfaces()
+        vc_interfaces = self.vc_interfaces(if_master=False)
         if self.primary_ip4:
             if self.primary_ip4.family != 4:
                 raise ValidationError({
@@ -856,9 +856,7 @@ class Device(PrimaryModel, ConfigContextModel):
 
     @property
     def interfaces_count(self):
-        if self.virtual_chassis and self.virtual_chassis.master == self:
-            return self.vc_interfaces().count()
-        return self.interfaces.count()
+        return self.vc_interfaces().count()
 
     def get_vc_master(self):
         """
@@ -866,7 +864,7 @@ class Device(PrimaryModel, ConfigContextModel):
         """
         return self.virtual_chassis.master if self.virtual_chassis else None
 
-    def vc_interfaces(self, if_master=False):
+    def vc_interfaces(self, if_master=True):
         """
         Return a QuerySet matching all Interfaces assigned to this Device or, if this Device is a VC master, to another
         Device belonging to the same VirtualChassis.
@@ -874,7 +872,7 @@ class Device(PrimaryModel, ConfigContextModel):
         :param if_master: If True, return VC member interfaces only if this Device is the VC master.
         """
         filter = Q(device=self)
-        if self.virtual_chassis and (not if_master or self.virtual_chassis.master == self):
+        if self.virtual_chassis and (self.virtual_chassis.master == self or not if_master):
             filter |= Q(device__virtual_chassis=self.virtual_chassis, mgmt_only=False)
         return Interface.objects.filter(filter)
 
diff --git a/netbox/dcim/views.py b/netbox/dcim/views.py
index 734f9bd1a..4ed80d6c8 100644
--- a/netbox/dcim/views.py
+++ b/netbox/dcim/views.py
@@ -1407,7 +1407,7 @@ class DeviceInterfacesView(generic.ObjectView):
     template_name = 'dcim/device/interfaces.html'
 
     def get_extra_context(self, request, instance):
-        interfaces = instance.vc_interfaces(if_master=True).restrict(request.user, 'view').prefetch_related(
+        interfaces = instance.vc_interfaces().restrict(request.user, 'view').prefetch_related(
             Prefetch('ip_addresses', queryset=IPAddress.objects.restrict(request.user)),
             Prefetch('member_interfaces', queryset=Interface.objects.restrict(request.user)),
             'lag', 'cable', '_path__destination', 'tags',
@@ -1529,7 +1529,7 @@ class DeviceLLDPNeighborsView(generic.ObjectView):
     template_name = 'dcim/device/lldp_neighbors.html'
 
     def get_extra_context(self, request, instance):
-        interfaces = instance.vc_interfaces(if_master=True).restrict(request.user, 'view').prefetch_related(
+        interfaces = instance.vc_interfaces().restrict(request.user, 'view').prefetch_related(
             '_path__destination'
         ).exclude(
             type__in=NONCONNECTABLE_IFACE_TYPES