diff --git a/config.xml b/config.xml
index 0db5a53..c73cafc 100644
--- a/config.xml
+++ b/config.xml
@@ -471,6 +471,7 @@ xNByHw9ei5+9RnAAAADnJhZHppZWxAaGVybWVzAQIDBA==
       <if>vlan04100</if>
       <descr>SFP1100</descr>
       <enable>1</enable>
+      <lock>1</lock>
       <spoofmac/>
     </opt9>
     <opt10>
@@ -1314,7 +1315,7 @@ xNByHw9ei5+9RnAAAADnJhZHppZWxAaGVybWVzAQIDBA==&#13;
   <revision>
     <username>root@172.27.72.50</username>
     <description>/interfaces.php made changes</description>
-    <time>1770551531.05</time>
+    <time>1770551553.79</time>
   </revision>
   <OPNsense>
     <wireguard>