diff --git a/clan.nix b/clan.nix
index 23fc047..d03bbea 100644
--- a/clan.nix
+++ b/clan.nix
@@ -76,54 +76,72 @@ in
                   hwAddress = "7c:c2:55:e0:d6:40";
                   ipAddress = "10.1.10.53";
                 };
+                dhcp.from = "10.1.10.100";
+                dhcp.to = "10.1.10.200";
               };
               lan = {
                 id = 20;
                 address = "10.1.20.1";
                 prefixLength = 24;
                 subnet = "10.1.20.0/24";
+                dhcp.from = "10.1.20.100";
+                dhcp.to = "10.1.20.200";
               };
               iot = {
                 id = 40;
                 address = "10.1.40.1";
                 prefixLength = 24;
                 subnet = "10.1.40.0/24";
+                dhcp.from = "10.1.40.100";
+                dhcp.to = "10.1.40.200";
               };
               voip = {
                 id = 50;
                 address = "10.1.50.1";
                 prefixLength = 24;
                 subnet = "10.1.50.0/24";
+                dhcp.from = "10.1.50.100";
+                dhcp.to = "10.1.50.200";
               };
               dmz = {
                 id = 60;
                 address = "10.1.60.1";
                 prefixLength = 24;
                 subnet = "10.1.60.0/24";
+                dhcp.from = "10.1.60.100";
+                dhcp.to = "10.1.60.200";
               };
               unit1 = {
                 id = 110;
                 address = "10.1.110.1";
                 prefixLength = 24;
                 subnet = "10.1.110.0/24";
+                dhcp.from = "10.1.110.100";
+                dhcp.to = "10.1.110.200";
               };
               unit2 = {
                 id = 120;
                 address = "10.1.120.1";
                 prefixLength = 24;
                 subnet = "10.1.120.0/24";
+                dhcp.from = "10.1.120.100";
+                dhcp.to = "10.1.120.200";
               };
               unit3 = {
                 id = 130;
                 address = "10.1.130.1";
                 prefixLength = 24;
                 subnet = "10.1.130.0/24";
+                dhcp.from = "10.1.130.100";
+                dhcp.to = "10.1.130.200";
               };
               unit4 = {
                 id = 140;
                 address = "10.1.140.1";
                 prefixLength = 24;
                 subnet = "10.1.140.0/24";
+                dhcp.from = "10.1.140.100";
+                dhcp.to = "10.1.140.200";
               };
               unit5 = {
                 id = 150;
@@ -134,6 +152,8 @@ in
                   hwAddress = "7c:d3:0a:21:58:0b";
                   ipAddress = "10.1.150.22";
                 };
+                dhcp.from = "10.1.150.100";
+                dhcp.to = "10.1.150.200";
               };
             };
             trunkPorts = [ "enp2s0" ];
diff --git a/modules/clan/gw-router/dns-dhcp.nix b/modules/clan/gw-router/dns-dhcp.nix
index e570f86..f474afa 100644
--- a/modules/clan/gw-router/dns-dhcp.nix
+++ b/modules/clan/gw-router/dns-dhcp.nix
@@ -4,9 +4,11 @@
       {
 
         lib,
+        inputs,
         ...
       }:
       let
+        libNet = lib.extend inputs.nix-lib-net.overlays.default;
         dhcpVlans = lib.filterAttrs (_: vlan: vlan.dhcp.enable) settings.vlans;
       in
       {