diff --git a/hosts/falkenstein-1/modules/networks/default.nix b/hosts/falkenstein-1/modules/networks/default.nix
index 2ea9447..eede8f1 100644
--- a/hosts/falkenstein-1/modules/networks/default.nix
+++ b/hosts/falkenstein-1/modules/networks/default.nix
@@ -1,5 +1,14 @@
 { ... }:
 {
+  services.radvd = {
+    enable = true;
+    config = ''
+      interface ens3 {
+        AdvSendAdvert on;
+        prefix 2a01:4f8:c012:49de::/64 {};
+      };
+    '';
+  };
   networking = {
     hostName = "falkenstein-1";
     useNetworkd = true;
@@ -14,10 +23,8 @@
     networks."10-wired" = {
       matchConfig.Name = "ens3";
       networkConfig = {
-        DHCP = "ipv4";
+        DHCP = "yes";
         IPv6AcceptRA = "yes";
-        Address = "2a01:4f8:c012:49de::1/64";
-        Gateway = "fe80::1";
       };
     };
   };
diff --git a/hosts/falkenstein-1/modules/nginx/default.nix b/hosts/falkenstein-1/modules/nginx/default.nix
index 8dcd514..7874a85 100644
--- a/hosts/falkenstein-1/modules/nginx/default.nix
+++ b/hosts/falkenstein-1/modules/nginx/default.nix
@@ -7,7 +7,7 @@
     recommendedProxySettings = true;
     recommendedGzipSettings = true;
     recommendedOptimisation = true;
-    
+
     virtualHosts."rfive.de" = {
       enableACME = true;
       forceSSL = true;
diff --git a/hosts/thinkpad/modules/networks/default.nix b/hosts/thinkpad/modules/networks/default.nix
index c14ef68..3e44e61 100644
--- a/hosts/thinkpad/modules/networks/default.nix
+++ b/hosts/thinkpad/modules/networks/default.nix
@@ -46,6 +46,8 @@
       linkConfig.RequiredForOnline = false;
       networkConfig = {
         DHCP = "yes";
+        IPv6AcceptRA = "yes";
+        IPv6PrivacyExtensions = "yes";
       };
       dhcpV4Config = {
         RouteMetric = 10;
@@ -75,7 +77,7 @@
         DHCP = "yes";
         IgnoreCarrierLoss = "3s";
         IPv6AcceptRA = "yes";
-        #IPv6PrefixDelegation = "dhcpv6";
+        IPv6PrivacyExtensions = "yes";
       };
       dhcpV4Config = {
         RouteMetric = 20;