Use DSL now

hosts/carbon/configuration.nix

@@ -33,8 +33,8 @@
   ];
   # Network
   ## DSL-Uplink
-  networking.vlans."enp1s0.101" = {
-    id = 101;
+  networking.vlans."enp1s0.7" = {
+    id = 7;
     interface = "enp1s0";
   };
   ## LTE-Uplink
@@ -42,7 +42,6 @@
     id = 102;
     interface = "enp1s0";
   };
-  networking.interfaces."enp1s0.102".useDHCP = true;
   ## Heimnetz
   networking.vlans."enp1s0.201" = {
     id = 201;
@@ -70,7 +69,7 @@
   networking.nat = {
     enableIPv6 = true;
     enable = true;
-    externalInterface = "enp1s0.102";
+    externalInterface = "ppp-ntvdsl";
     internalIPv6s = [ "fd00:152:152::/48" "fd00:3214:9453:4920::/64"];
     internalIPs = [ "10.152.0.0/16" "192.168.32.0/24" ];
   };
@@ -122,6 +121,26 @@
     iptables -A FORWARD -o enp1s0.202 -j DROP
   '';
 
+  services.pppd = {
+    enable = true;
+    peers.ntvdsl = {
+      config = ''
+        plugin rp-pppoe.so enp1s0.7
+        user "dsl-31997-001#regio@bsa-vdsl"
+        ifname ppp-ntvdsl
+        persist
+        maxfail 0
+        holdoff 5
+        noipdefault
+        mtu 1492
+        hide-password
+        defaultroute
+        +ipv6
+      '';
+    };
+  };
+
+
   # Routing tables
   # Table: 10000
   # - primary routes