diff --git a/net/frr/Makefile b/net/frr/Makefile
index 02c92992a..1cad170a0 100644
--- a/net/frr/Makefile
+++ b/net/frr/Makefile
@@ -1,5 +1,5 @@
 PLUGIN_NAME=		frr
-PLUGIN_VERSION=		1.19
+PLUGIN_VERSION=		1.20
 PLUGIN_COMMENT=		The FRRouting Protocol Suite
 PLUGIN_DEPENDS=		frr7 ruby
 PLUGIN_MAINTAINER=	franz.fabian.94@gmail.com
diff --git a/net/frr/pkg-descr b/net/frr/pkg-descr
index efddc98ae..087fcf136 100644
--- a/net/frr/pkg-descr
+++ b/net/frr/pkg-descr
@@ -11,6 +11,10 @@ switching and routing, Internet access routers, and Internet peering.
 Plugin Changelog
 ================
 
+1.20
+
+* Allow to adjust reference cost for OSPF calculation
+
 1.19
 
 * OSPF influence interface cost via carp
diff --git a/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/ospf.xml b/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/ospf.xml
index 0305f5891..ba766ee93 100644
--- a/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/ospf.xml
+++ b/net/frr/src/opnsense/mvc/app/controllers/OPNsense/Quagga/forms/ospf.xml
@@ -22,6 +22,13 @@
         <advanced>true</advanced>
         <help>If you have a CARP setup, you may want to configure a router id in case of a conflict.</help>
     </field>
+    <field>
+        <id>ospf.costreference</id>
+        <label>Reference Cost</label>
+        <type>text</type>
+        <advanced>true</advanced>
+        <help>Here you can adjust the reference cost in Mbps for path calculation. Mostly needed when you bundle interfaces to higher bandwidth.</help>
+    </field>
     <field>
         <id>ospf.passiveinterfaces</id>
         <label>Passive Interfaces</label>
diff --git a/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/OSPF.xml b/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/OSPF.xml
index 83ade2b6f..56b7ebaf3 100644
--- a/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/OSPF.xml
+++ b/net/frr/src/opnsense/mvc/app/models/OPNsense/Quagga/OSPF.xml
@@ -16,6 +16,12 @@
             <Required>N</Required>
             <mask>/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/</mask>
         </routerid>
+        <costreference type="IntegerField">
+            <Required>N</Required>
+            <MinimumValue>1</MinimumValue>
+            <MaximumValue>4294967</MaximumValue>
+            <ValidationMessage>Must be a number between 1 and 4294967.</ValidationMessage>
+        </costreference>
         <originate type="BooleanField">
             <default>0</default>
             <Required>Y</Required>
diff --git a/net/frr/src/opnsense/service/templates/OPNsense/Quagga/ospfd.conf b/net/frr/src/opnsense/service/templates/OPNsense/Quagga/ospfd.conf
index 72c880d87..ff4acea71 100644
--- a/net/frr/src/opnsense/service/templates/OPNsense/Quagga/ospfd.conf
+++ b/net/frr/src/opnsense/service/templates/OPNsense/Quagga/ospfd.conf
@@ -38,6 +38,9 @@ interface {{ physical_interface(interface.interfacename) }}
 {% endif %}
 !
 router ospf
+{% if helpers.exists('OPNsense.quagga.ospf.costreference') and OPNsense.quagga.ospf.costreference != '' %}
+ auto-cost reference-bandwidth {{ OPNsense.quagga.ospf.costreference }}
+{% endif %}
 {% if helpers.exists('OPNsense.quagga.ospf.routerid') and OPNsense.quagga.ospf.routerid != '' %}
  ospf router-id {{ OPNsense.quagga.ospf.routerid }}
 {% endif %}