diff --git a/hosts/carbon/configuration.nix b/hosts/carbon/configuration.nix
index 7ce0899..abdda0c 100644
--- a/hosts/carbon/configuration.nix
+++ b/hosts/carbon/configuration.nix
@@ -74,6 +74,17 @@
     internalIPs = [ "10.152.0.0/16" "192.168.32.0/24" ];
   };
 
+  services.radvd.enable = true;
+  services.radvd.config = ''
+    interface enp1s0.201 {
+      AdvSendAdvert on;
+      prefix 2a01:4f8:1c0c:8221::/64 {};
+      route ::/0 {};
+      RDNSS 2a01:4f8:251:554::2 {};
+      DNSSL net.clerie.de {};
+    };
+  '';
+
   networking.wireguard.enable = true;
   networking.wireguard.interfaces = {
     wg-gatekeeper4 = {