diff --git a/inventories/default.nix b/inventories/default.nix
index b8783ca..3f5723d 100644
--- a/inventories/default.nix
+++ b/inventories/default.nix
@@ -5,6 +5,7 @@
       tags = {
         glom = [ "vega" ];
         b4l = [ "rigel" ];
+        w = [ "sirius" ];
         fax-bridge = [ ];
       };
 
@@ -31,6 +32,15 @@
           };
         };
 
+        w-network = {
+          module = {
+            name = "zerotier";
+            input = "clan-core";
+          };
+          roles.controller.machines."sirius" = { };
+          roles.peer.tags.w = { };
+        };
+
         glom-network = {
           module = {
             name = "zerotier";