diff --git a/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/Api/ServiceController.php b/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/Api/ServiceController.php
index a8fbebb7c2..bbf502baa9 100644
--- a/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/Api/ServiceController.php
+++ b/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/Api/ServiceController.php
@@ -32,6 +32,7 @@
 
 use OPNsense\Base\ApiMutableServiceControllerBase;
 use OPNsense\Core\Backend;
+use OPNsense\Core\Config;
 use OPNsense\Vnstat\General;
 
 /**
@@ -51,9 +52,7 @@ class ServiceController extends ApiMutableServiceControllerBase
      */
     public function hourlyAction()
     {
-        $backend = new Backend();
-        $response = $backend->configdRun("vnstat hourly");
-        return array("response" => $response);
+        return $this->getStats('hourly');
     }
 
     /**
@@ -62,9 +61,7 @@ public function hourlyAction()
      */
     public function dailyAction()
     {
-        $backend = new Backend();
-        $response = $backend->configdRun("vnstat daily");
-        return array("response" => $response);
+        return $this->getStats('daily');
     }
 
     /**
@@ -73,9 +70,7 @@ public function dailyAction()
      */
     public function monthlyAction()
     {
-        $backend = new Backend();
-        $response = $backend->configdRun("vnstat monthly");
-        return array("response" => $response);
+        return $this->getStats('monthly');
     }
 
     /**
@@ -84,9 +79,7 @@ public function monthlyAction()
      */
     public function yearlyAction()
     {
-        $backend = new Backend();
-        $response = $backend->configdRun("vnstat yearly");
-        return array("response" => $response);
+        return $this->getStats('yearly');
     }
 
     /**
@@ -99,4 +92,31 @@ public function resetdbAction()
         $response = $backend->configdRun("vnstat resetdb");
         return array("response" => $response);
     }
+
+    /**
+     * Get stats of the given type
+     * @param string $type Which type of statistics to return (hourly, daily, weekly, or monthly)
+     * @return array
+     */
+    private function getStats(string $type) {
+        $config = Config::getInstance()->toArray();
+        $backend = new Backend();
+
+        if (isset($config['OPNsense']['vnstat']['general']['separate_stats']) && !$config['OPNsense']['vnstat']['general']['separate_stats']) {
+            // Separate stats are not wanted, just get totals - that's the default in vnstat itself,
+            // no need to specify anything here.
+            $response = $backend->configdpRun("vnstat", [ $type ]);
+            return array("response" => $response);
+        }
+
+        // Loop over configured interfaces, concatenating the output of each.
+        $result = '';
+        foreach (explode(',', $config['OPNsense']['vnstat']['general']['interface']) as $interface) {
+            // Map the OPNsense interface name to the kernel interface name that vnstat uses.
+            if (isset($config['interfaces'][$interface]['if'])) {
+                $result .= $backend->configdpRun("vnstat", [ $type, $config['interfaces'][$interface]['if'] ]);
+            }
+        }
+        return array("response" => $result);
+    }
 }
diff --git a/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/forms/general.xml b/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/forms/general.xml
index cd1f8ded82..76eaea5155 100644
--- a/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/forms/general.xml
+++ b/net/vnstat/src/opnsense/mvc/app/controllers/OPNsense/Vnstat/forms/general.xml
@@ -9,6 +9,12 @@
         <id>general.interface</id>
         <label>Interface</label>
         <type>select_multiple</type>
-        <help>Set the interface to listen on.</help>
+        <help>Set the interface(s) to display stats for.</help>
+    </field>
+    <field>
+        <id>general.separate_stats</id>
+        <label>Separate interface stats</label>
+        <type>checkbox</type>
+        <help>If checked, separate stats are shown for each configured interface. If unchecked, a single set of stats is shown containing the sum of traffic on all configured interfaces.</help>
     </field>
 </form>
diff --git a/net/vnstat/src/opnsense/mvc/app/models/OPNsense/Vnstat/General.xml b/net/vnstat/src/opnsense/mvc/app/models/OPNsense/Vnstat/General.xml
index fa94d7dc05..ed4ac8d518 100644
--- a/net/vnstat/src/opnsense/mvc/app/models/OPNsense/Vnstat/General.xml
+++ b/net/vnstat/src/opnsense/mvc/app/models/OPNsense/Vnstat/General.xml
@@ -4,12 +4,16 @@
     <version>0.0.1</version>
     <items>
         <enabled type="BooleanField">
-            <default>0</default>
+            <Default>0</Default>
             <Required>Y</Required>
         </enabled>
         <interface type="InterfaceField">
             <Required>N</Required>
-            <multiple>Y</multiple>
+            <Multiple>Y</Multiple>
         </interface>
+        <separate_stats type="BooleanField">
+            <Default>1</Default>
+            <Required>Y</Required>
+        </separate_stats>
     </items>
 </model>
diff --git a/net/vnstat/src/opnsense/service/conf/actions.d/actions_vnstat.conf b/net/vnstat/src/opnsense/service/conf/actions.d/actions_vnstat.conf
index 4a4fcbd64e..89a149bf57 100644
--- a/net/vnstat/src/opnsense/service/conf/actions.d/actions_vnstat.conf
+++ b/net/vnstat/src/opnsense/service/conf/actions.d/actions_vnstat.conf
@@ -24,25 +24,25 @@ message:request Vnstat status
 
 [hourly]
 command:/usr/local/bin/vnstat -h
-parameters:
+parameters:%s
 type:script_output
 message:request Vnstat hourly status
 
 [daily]
 command:/usr/local/bin/vnstat -d
-parameters:
+parameters:%s
 type:script_output
 message:request Vnstat daily status
 
 [monthly]
 command:/usr/local/bin/vnstat -m
-parameters:
+parameters:%s
 type:script_output
 message:request Vnstat monthly status
 
 [yearly]
 command:/usr/local/bin/vnstat -y
-parameters:
+parameters:%s
 type:script_output
 message:request Vnstat yearly status
 
diff --git a/net/vnstat/src/opnsense/service/templates/OPNsense/Vnstat/vnstat.conf b/net/vnstat/src/opnsense/service/templates/OPNsense/Vnstat/vnstat.conf
index 8745f976d3..abc9958d3f 100644
--- a/net/vnstat/src/opnsense/service/templates/OPNsense/Vnstat/vnstat.conf
+++ b/net/vnstat/src/opnsense/service/templates/OPNsense/Vnstat/vnstat.conf
@@ -9,6 +9,8 @@
 Interface {{ interfaces|join('+') }}
 {%   endif %}
 
+# scan for new interfaces and add to DB
+AlwaysAddNewInterfaces 1
 
 # location of the database directory
 DatabaseDir "/var/lib/vnstat"