diff --git a/hosts/containers/freifunk/default.nix b/hosts/containers/freifunk/default.nix
index 7a218f19..3b6bf919 100644
--- a/hosts/containers/freifunk/default.nix
+++ b/hosts/containers/freifunk/default.nix
@@ -21,6 +21,11 @@ let
   rt_table_upstream = 100;
 
   node51001AddrPart = "200.2";
+
+  mac = {
+    core = "00:de:13:cb:9a:7b";
+    bmx = "00:de:13:cb:9a:7c";
+  };
 in {
   imports = [
     "${modulesPath}/profiles/minimal.nix"
@@ -46,8 +51,12 @@ in {
 
     interfaces = [ {
       type = "tap";
-      id = "freifunk";
-      mac = "00:de:13:cb:9a:7b";
+      id = "freifunk-core";
+      mac = mac.core;
+    } {
+      type = "tap";
+      id = "freifunk-bmx";
+      mac = mac.bmx;
     } ];
   };
 
@@ -157,11 +166,19 @@ in {
         };
       };
     };
+    links = {
+      # Wired mesh interface
+      "10-bmx" = {
+        enable = true;
+        matchConfig = { MACAddress = mac.bmx; };
+        linkConfig.Name = meshInterface;
+      };
+    };
     networks = {
       # Wired mesh interface
       "10-bmx" = {
         enable = true;
-        matchConfig = { Name = meshInterface; };
+        matchConfig = { MACAddress = mac.bmx; };
         addresses = [{
           addressConfig = {
             Address = "10.201.${ddmeshAddrPart}/16";
@@ -199,7 +216,7 @@ in {
       # ZW
       "20-core" = {
         enable = true;
-        matchConfig = { Name = "core"; };
+        matchConfig = { MACAddress = mac.core; };
         addresses = map (Address: { addressConfig = { inherit Address; }; }) (
           [
             "${coreAddress}/${toString core.subnet4Len}"
diff --git a/hosts/server10/microvms.nix b/hosts/server10/microvms.nix
index a3a006ff..490aa3de 100644
--- a/hosts/server10/microvms.nix
+++ b/hosts/server10/microvms.nix
@@ -2,7 +2,8 @@
   microvm.autostart = [ "oparl" "leon" "nfsroot" ];
   c3d2.server.bridgePorts = {
     serv = [ "oparl" "leon" "nfsroot" ];
-    core = [ "freifunk" ];
+    core = [ "freifunk-core" ];
+    bmx = [ "freifunk-bmx" ];
   };
 
   nix = {