diff --git a/plist b/plist
index cad0df89c3..ab6cad4410 100644
--- a/plist
+++ b/plist
@@ -367,6 +367,7 @@
 /usr/local/opnsense/mvc/app/controllers/OPNsense/IPsec/forms/dialogSPD.xml
 /usr/local/opnsense/mvc/app/controllers/OPNsense/IPsec/forms/dialogVTI.xml
 /usr/local/opnsense/mvc/app/controllers/OPNsense/IPsec/forms/settings.xml
+/usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/AssignmentController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/BridgeSettingsController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/GifSettingsController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/GreSettingsController.php
@@ -378,6 +379,7 @@
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/VipSettingsController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/VlanSettingsController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/VxlanSettingsController.php
+/usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/AssignmentController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/BridgeController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/GifController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/GreController.php
@@ -389,6 +391,7 @@
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/VipController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/VlanController.php
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/VxlanController.php
+/usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogAssignment.xml
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogBridge.xml
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogGif.xml
 /usr/local/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogGre.xml
@@ -810,6 +813,8 @@
 /usr/local/opnsense/mvc/app/models/OPNsense/IPsec/Swanctl.php
 /usr/local/opnsense/mvc/app/models/OPNsense/IPsec/Swanctl.xml
 /usr/local/opnsense/mvc/app/models/OPNsense/Interfaces/ACL/ACL.xml
+/usr/local/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.php
+/usr/local/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.xml
 /usr/local/opnsense/mvc/app/models/OPNsense/Interfaces/Bridge.php
 /usr/local/opnsense/mvc/app/models/OPNsense/Interfaces/Bridge.xml
 /usr/local/opnsense/mvc/app/models/OPNsense/Interfaces/FieldTypes/BridgeMemberField.php
@@ -999,6 +1004,7 @@
 /usr/local/opnsense/mvc/app/views/OPNsense/IPsec/spd.volt
 /usr/local/opnsense/mvc/app/views/OPNsense/IPsec/tunnels.volt
 /usr/local/opnsense/mvc/app/views/OPNsense/IPsec/vti.volt
+/usr/local/opnsense/mvc/app/views/OPNsense/Interface/assignment.volt
 /usr/local/opnsense/mvc/app/views/OPNsense/Interface/bridge.volt
 /usr/local/opnsense/mvc/app/views/OPNsense/Interface/gif.volt
 /usr/local/opnsense/mvc/app/views/OPNsense/Interface/gre.volt
@@ -1266,6 +1272,7 @@
 /usr/local/opnsense/scripts/interfaces/ifctl.sh
 /usr/local/opnsense/scripts/interfaces/lib/__init__.py
 /usr/local/opnsense/scripts/interfaces/list_arp.py
+/usr/local/opnsense/scripts/interfaces/list_assign_options.php
 /usr/local/opnsense/scripts/interfaces/list_hosts.py
 /usr/local/opnsense/scripts/interfaces/list_macdb.py
 /usr/local/opnsense/scripts/interfaces/list_ndp.py
diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/AssignmentController.php b/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/AssignmentController.php
new file mode 100644
index 0000000000..bd990913ee
--- /dev/null
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/Api/AssignmentController.php
@@ -0,0 +1,77 @@
+<?php
+
+/*
+ * Copyright (C) 2026 Deciso B.V.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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
+ * AUTHOR 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.
+ */
+
+namespace OPNsense\Interfaces\Api;
+
+use OPNsense\Base\ApiMutableModelControllerBase;
+use OPNsense\Base\UserException;
+use OPNsense\Core\Backend;
+use OPNsense\Core\Config;
+
+
+class AssignmentController extends ApiMutableModelControllerBase
+{
+    protected static $internalModelName = 'interface';
+    protected static $internalModelClass = 'OPNsense\Interfaces\Assignment';
+
+
+    public function searchItemAction()
+    {
+        return $this->searchBase("interface");
+    }
+
+    public function setItemAction($uuid)
+    {
+        return $this->setBase("interface", "interface", $uuid, $overlay);
+    }
+
+    public function addItemAction()
+    {
+        return $this->addBase("interface", "interface", $overlay);
+    }
+
+    public function getItemAction($uuid = null)
+    {
+        return $this->getBase("interface", "interface", $uuid);
+    }
+
+    public function delItemAction($uuid)
+    {
+        return $this->delBase("interface", $uuid);
+    }
+
+    public function reconfigureAction()
+    {
+        if ($this->request->isPost()) {
+            //(new Backend())->configdRun("interface xxx");
+            return ["status" => "ok"];
+        } else {
+            return ["status" => "failed"];
+        }
+    }
+}
diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/AssignmentController.php b/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/AssignmentController.php
new file mode 100644
index 0000000000..973b3b5475
--- /dev/null
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/AssignmentController.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * Copyright (C) 2026 Deciso B.V.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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
+ * AUTHOR 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.
+ */
+
+namespace OPNsense\Interfaces;
+
+class AssignmentController extends \OPNsense\Base\IndexController
+{
+    public function indexAction()
+    {
+        $this->view->pick('OPNsense/Interface/assignment');
+
+        $this->view->formDialogAssignment = $this->getForm("dialogAssignment");
+        $this->view->formGridAssignment = $this->getFormGrid("dialogAssignment");
+    }
+}
diff --git a/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogAssignment.xml b/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogAssignment.xml
new file mode 100644
index 0000000000..00d8a9b20f
--- /dev/null
+++ b/src/opnsense/mvc/app/controllers/OPNsense/Interfaces/forms/dialogAssignment.xml
@@ -0,0 +1,20 @@
+<form>
+    <field>
+        <id>interface.descr</id>
+        <label>Description</label>
+        <type>text</type>
+        <help>You may enter a description here for your reference (not parsed).</help>
+    </field>
+    <field>
+        <id>interface.identifier</id>
+        <label>Identifier</label>
+        <type>text</type>
+        <help>Technical identifier of the interface, used by hasync for example.</help>
+    </field>
+    <field>
+        <id>interface.if</id>
+        <label>Interface</label>
+        <type>dropdown</type>
+        <help>Device name to connect this interface to.</help>
+    </field>
+</form>
diff --git a/src/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.php b/src/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.php
new file mode 100644
index 0000000000..1357f4cf78
--- /dev/null
+++ b/src/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.php
@@ -0,0 +1,50 @@
+<?php
+
+/*
+ * Copyright (C) 2026 Deciso B.V.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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
+ * AUTHOR 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.
+ */
+
+namespace OPNsense\Interfaces;
+
+use OPNsense\Base\BaseModel;
+use OPNsense\Core\Config;
+
+
+class Assignment extends BaseModel
+{
+    /**
+     * @inheritdoc
+     */
+    public function __construct($lazyload = false)
+    {
+        parent::__construct();
+        foreach (Config::getInstance()->object()->interfaces->children() as $key => $intf) {
+            $node = $this->interface->add($key);
+            $node->descr = (string)$intf->descr;
+            $node->identifier = $key;
+            $node->if = (string)$intf->if;
+        }
+    }
+}
diff --git a/src/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.xml b/src/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.xml
new file mode 100644
index 0000000000..1510e59dff
--- /dev/null
+++ b/src/opnsense/mvc/app/models/OPNsense/Interfaces/Assignment.xml
@@ -0,0 +1,15 @@
+<model>
+    <mount>:memory:</mount>
+    <version>0.0.1</version>
+    <description>Interface assignments</description>
+    <items>
+        <interface type="ArrayField">
+            <descr type="DescriptionField"/>
+            <identifier type="TextField"/>
+            <if type="JsonKeyValueStoreField">
+                <ConfigdPopulateAct>interface list assign-opts</ConfigdPopulateAct>
+                <Required>Y</Required>
+            </if>
+        </interface>
+    </items>
+</model>
diff --git a/src/opnsense/mvc/app/views/OPNsense/Interface/assignment.volt b/src/opnsense/mvc/app/views/OPNsense/Interface/assignment.volt
new file mode 100644
index 0000000000..942a602888
--- /dev/null
+++ b/src/opnsense/mvc/app/views/OPNsense/Interface/assignment.volt
@@ -0,0 +1,45 @@
+{#
+ # Copyright (c) 2026 Deciso B.V.
+ # 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.
+ #
+ # THIS SOFTWARE IS PROVIDED ``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
+ # AUTHOR 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.
+ #}
+
+<script>
+    $( document ).ready(function() {
+        $("#{{formGridAssignment['table_id']}}").UIBootgrid(
+            {   search:'/api/interfaces/assignment/search_item/',
+                get:'/api/interfaces/assignment/get_item/',
+                set:'/api/interfaces/assignment/set_item/',
+                add:'/api/interfaces/assignment/add_item/',
+                del:'/api/interfaces/assignment/del_item/'
+            }
+        );
+        //$("#reconfigureAct").SimpleActionButton();
+
+    });
+</script>
+<div class="tab-content content-box">
+    {{ partial('layout_partials/base_bootgrid_table', formGridAssignment)}}
+</div>
+{{ partial('layout_partials/base_apply_button', {'data_endpoint': '/api/interfaces/assignment/reconfigure'}) }}
+{{ partial('layout_partials/base_dialog',['fields':formDialogAssignment,'id':formGridAssignment['edit_dialog_id'],'label':lang._('Edit Assignment')])}}
diff --git a/src/opnsense/scripts/interfaces/list_assign_options.php b/src/opnsense/scripts/interfaces/list_assign_options.php
new file mode 100755
index 0000000000..0a55b3317c
--- /dev/null
+++ b/src/opnsense/scripts/interfaces/list_assign_options.php
@@ -0,0 +1,79 @@
+#!/usr/local/bin/php
+<?php
+
+/*
+ * Copyright (C) 2026 Deciso B.V.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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
+ * AUTHOR 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.
+ */
+
+require_once("interfaces.inc");
+require_once("config.inc");
+require_once("util.inc");
+
+
+/**
+ * XXX: needs to be refactored at some point, but for now keep it 100% compatible with legacy code.
+ */
+
+function list_devices($devices)
+{
+    $interfaces = [
+        'hardware' => []
+    ];
+    $excludes = [];
+
+    /* add physical network interfaces */
+    foreach (get_interface_list() as $key => $item) {
+        $interfaces['hardware'][$key] = $key . ' (' . $item['mac'] . ')';
+    }
+
+    /* add virtual network interfaces */
+    foreach ($devices as $device) {
+        if (!empty($device['names'])) {
+            foreach ($device['names'] as $key => $values) {
+                if (!empty($values)) {
+                    if (!isset($interfaces[$device['type']])) {
+                        $interfaces[$device['type']] = [];
+                    }
+                    $interfaces[$device['type']][] = $values['descr'];
+                    if (!empty($values['exclude'])) {
+                        $excludes = array_merge($excludes, $values['exclude']);
+                    }
+                }
+            }
+        }
+    }
+
+    /* enforce constraints */
+    foreach ($excludes as $device) {
+        if (isset($interfaces[$device])) {
+            unset($interfaces[$device]);
+        }
+    }
+
+    return $interfaces;
+}
+
+$a_devices = plugins_devices();
+echo json_encode(list_devices($a_devices));
diff --git a/src/opnsense/service/conf/actions.d/actions_interface.conf b/src/opnsense/service/conf/actions.d/actions_interface.conf
index 84fee40625..3a4e441f33 100644
--- a/src/opnsense/service/conf/actions.d/actions_interface.conf
+++ b/src/opnsense/service/conf/actions.d/actions_interface.conf
@@ -66,6 +66,15 @@ type:script_output
 cache_ttl:30
 message:request arp table
 
+
+[list.assign-opts]
+command:/usr/local/opnsense/scripts/interfaces/list_assign_options.php
+parameters:
+type:script_output
+cache_ttl:30
+message:show assignable interfaces
+
+
 [remove.arp]
 command:/usr/sbin/arp -d
 parameters:%s 2> /dev/null