diff --git a/config/net/priv.nix b/config/net/priv.nix
index bbcef6e..af49442 100644
--- a/config/net/priv.nix
+++ b/config/net/priv.nix
@@ -704,6 +704,12 @@ lib.mkMerge (
           priv44.hwaddr = "0A:14:48:01:2A:55";
         };
       };
+      priv45-gw = {
+        interfaces = {
+          core.hwaddr = "0A:14:48:01:2A:56";
+          priv45.hwaddr = "0A:14:48:01:2A:57";
+        };
+      };
     };
   } ]
 )