diff --git a/hosts/router/configuration.nix b/hosts/router/configuration.nix
index 26c872d..048c7d3 100644
--- a/hosts/router/configuration.nix
+++ b/hosts/router/configuration.nix
@@ -7,6 +7,7 @@
 
       ./nat.nix
       ./ppp.nix
+      ./prefix-delegation.nix
       ./uplink-selector.nix
 
       ./10-net-services.nix
@@ -32,8 +33,6 @@
 
   networking.hostName = "router";
 
-  networking.useDHCP = false;
-
   networking.defaultGateway = { address = "10.42.10.1"; interface = "net-services"; };
   networking.defaultGateway6 = { address = "2a01:4f8:1c0c:8221::1"; interface = "net-services"; };
 
diff --git a/hosts/router/prefix-delegation.nix b/hosts/router/prefix-delegation.nix
new file mode 100644
index 0000000..c2a6a83
--- /dev/null
+++ b/hosts/router/prefix-delegation.nix
@@ -0,0 +1,34 @@
+{ config, pkgs, ... }:
+
+{
+  networking.interfaces.net-ikt.useDHCP = true;
+  networking.interfaces.net-technik.useDHCP = true;
+  networking.interfaces.net-hospital.useDHCP = true;
+  networking.interfaces.net-zoll.useDHCP = true;
+  networking.interfaces.net-leitstelle.useDHCP = true;
+  networking.interfaces.net-verwaltung.useDHCP = true;
+  networking.interfaces.net-yolo.useDHCP = true;
+  networking.interfaces.net-infojurte.useDHCP = true;
+  networking.interfaces.net-internation.useDHCP = true;
+  networking.interfaces.net-programmtre.useDHCP = true;
+  networking.interfaces.net-open-office.useDHCP = true;
+
+  networking.dhcpcd = {
+    enable = true;
+    allowInterfaces = [
+      "net-*"
+      "ppp-*"
+    ];
+    wait = "ipv6";
+    extraConfig = ''
+      ipv6only
+      noipv6rs
+      interface ppp-uplink-a
+        ipv6rs
+        ip_pd 1/::/56 net-hospital/203/64 net-zoll/204/64 net-leitstelle/205/64 net-verwaltung/206/64
+      interface ppp-uplink-b
+        ipv6rs
+        ip_pd 1/::/56 net-ikt/201/64 net-technik/202/64 net-yolo/208/64 net-infojurte/209/64 net-internation/210/64 net-programmtre/211/64 net-open-office/212/64
+    '';
+  };
+}