nixos: gen 12 @ lilac — 2026-08-22 12:42 26.05.20260814.02e0898 (Yarara) ----- adding IP over Thunderbolt for lan-mouse interoperability between Framework 13 Pro and ThinkPad X12 Detachable

hosts/lilac/default.nix

@@ -17,4 +17,13 @@
   environment.systemPackages = with pkgs; [
     framework-tool
   ];
+
+  boot.kernelModules = [ "thunderbolt-net" ];
+
+  networking.interfaces.thunderbolt0.ipv4.addresses = [{
+    address = "10.0.0.1";
+    prefixLength = 24;
+  }];
+
+  networking.firewall.interfaces."thunderbolt0".allowedUDPPorts = [ 4242 ];
 }

hosts/violet/default.nix

@@ -12,4 +12,13 @@
   services.power-profiles-daemon.enable = false;
 
   system.stateVersion = "26.05";
+
+  boot.kernelModules = [ "thunderbolt-net" ];
+
+  networking.interfaces.thunderbolt0.ipv4.addresses = [{
+    address = "10.0.0.1";
+    prefixLength = 24;
+  }];
+
+  networking.firewall.interfaces."thunderbolt0".allowedUDPPorts = [ 4242 ];
 }