Bootstrap ppp config

hosts/router/101-net-uplink-a.nix

@@ -5,4 +5,30 @@
     id = 101;
     interface = "ens18";
   };
+
+  networking.vlans."net-uplink-a.7" = {
+    id = 7;
+    interface = "net-uplink-a";
+  };
+
+  services.pppd = {
+    peers.uplink-a = {
+      config = ''
+        plugin rp-pppoe.so net-uplink-a.7
+        user "002742928961551138009163#0001@t-online.de"
+        ifname ppp-uplink-a
+        persist
+        maxfail 0
+        holdoff 5
+        noipdefault
+        lcp-echo-interval 20
+        lcp-echo-failure 3
+        mtu 1492
+        hide-password
+        defaultroute
+        +ipv6
+        debug
+      '';
+    };
+  };
 }

hosts/router/102-net-uplink-b.nix

@@ -5,4 +5,30 @@
     id = 102;
     interface = "ens18";
   };
+
+  networking.vlans."net-uplink-b.7" = {
+    id = 7;
+    interface = "net-uplink-b";
+  };
+
+  services.pppd = {
+    peers.uplink-b = {
+      config = ''
+        plugin rp-pppoe.so net-uplink-b.7
+        user "002269158219551138009162#0001@t-online.de"
+        ifname ppp-uplink-b
+        persist
+        maxfail 0
+        holdoff 5
+        noipdefault
+        lcp-echo-interval 20
+        lcp-echo-failure 3
+        mtu 1492
+        hide-password
+        defaultroute
+        +ipv6
+        debug
+      '';
+    };
+  };
 }

hosts/router/configuration.nix

@@ -75,6 +75,8 @@
 
   clerie.forward-filter.enable = true;
 
+  services.pppd.enable = true;
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave