better network config

common.nix

@@ -62,20 +62,6 @@ in
   # allow all firmware
   hardware.enableAllFirmware = true;
 
-  # use systemd-networkd
-  networking.useDHCP = false;
-  systemd.network.enable = true;
-   systemd.network.networks."10-wan" = {
-    networkConfig = {
-      # start a DHCP Client for IPv4 Addressing/Routing
-      DHCP = "ipv4";
-      # accept Router Advertisements for Stateless IPv6 Autoconfiguraton (SLAAC)
-      IPv6AcceptRA = true;
-    };
-    # make routing on this interface a dependency for network-online.target
-    linkConfig.RequiredForOnline = "routable";
-  };
-
   # ensure firewall is up, allow ssh and http in
   networking.firewall.enable = true;
   networking.firewall.allowedTCPPorts = [ 22 ];

mini/configuration.nix

@@ -17,8 +17,14 @@
   # host name
   networking.hostName = "mini";
 
-  # main network interface
-  systemd.network.networks."10-wan".matchConfig.Name = "eno1";
+  # main network interface via systemd-networkd
+  networking.useDHCP = false;
+  systemd.network.enable = true;
+  systemd.network.networks."10-lan" = {
+    matchConfig.Name = "eno1";
+    networkConfig.DHCP = "yes";
+    linkConfig.RequiredForOnline = "routable";
+  };
 
   # amd graphics
   hardware.opengl.extraPackages = with pkgs; [ amdvlk rocm-opencl-icd rocm-opencl-runtime ];

neko/configuration.nix

@@ -17,8 +17,14 @@
   # host name
   networking.hostName = "neko";
 
-  # main network interface
-  systemd.network.networks."10-wan".matchConfig.Name = "enp9s0";
+  # main network interface via systemd-networkd
+  networking.useDHCP = false;
+  systemd.network.enable = true;
+  systemd.network.networks."10-lan" = {
+    matchConfig.Name = "enp9s0";
+    networkConfig.DHCP = "yes";
+    linkConfig.RequiredForOnline = "routable";
+  };
 
   # intel graphics
   hardware.opengl.extraPackages = with pkgs; [ intel-media-driver intel-compute-runtime ];