flake.lock

@@ -288,11 +288,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1723637854,
-        "narHash": "sha256-med8+5DSWa2UnOqtdICndjDAEjxr5D7zaIiK4pn0Q7c=",
+        "lastModified": 1723362943,
+        "narHash": "sha256-dFZRVSgmJkyM0bkPpaYRtG/kRMRTorUIDj8BxoOt1T4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c3aa7b8938b17aebd2deecf7be0636000d62a2b9",
+        "rev": "a58bc8ad779655e790115244571758e8de055e3d",
         "type": "github"
       },
       "original": {

hosts/carbon/configuration.nix

@@ -55,15 +55,6 @@
     };
   };
 
-  systemd.services.kea-dhcp4-server = {
-    after = [
-      "network-setup.service"
-    ];
-    requires = [
-      "network-setup.service"
-    ];
-  };
-
   clerie.firewall.enable = true;
 
   clerie.monitoring = {

hosts/carbon/net-gastnetz.nix

@@ -7,23 +7,18 @@
     id = 202;
     interface = "enp1s0";
   };
-  networking.bridges."net-gastnetz".interfaces = [
-    "enp1s0.202"
-  ];
-  networking.interfaces."net-gastnetz".ipv6.addresses = [
+  networking.interfaces."enp1s0.202".ipv6.addresses = [
     { address = "fd00:3214:9453:4920::1"; prefixLength = 64; }
+    { address = "2001:4cd8:100:1313::1"; prefixLength = 64; } # public IPs for local network
   ];
-  networking.interfaces."net-gastnetz".ipv4.addresses = [
+  networking.interfaces."enp1s0.202".ipv4.addresses = [
     { address = "192.168.32.1"; prefixLength = 24; }
   ];
 
   services.radvd.config = ''
-    interface net-gastnetz {
+    interface enp1s0.202 {
       AdvSendAdvert on;
-      prefix ::/64 {
-        AdvValidLifetime 60;
-        AdvPreferredLifetime 30;
-      };
+      prefix 2001:4cd8:100:1313::/64 {};
       RDNSS 2620:fe::fe 2620:fe::9 {}; # Quad 9
     };
   '';
@@ -31,7 +26,7 @@
   services.kea.dhcp4 = {
     settings = {
       interfaces-config = {
-        interfaces = [ "net-gastnetz" ];
+        interfaces = [ "enp1s0.202" ];
       };
       subnet4 = [
         # Gastnetz
@@ -60,9 +55,9 @@
 
   # net-gastnetz can only access internet
   clerie.firewall.extraForwardFilterCommands = ''
-    ip46tables -A forward-filter -i net-gastnetz -o ppp-dtagdsl -j ACCEPT
-    ip46tables -A forward-filter -i net-gastnetz -j DROP
-    ip46tables -A forward-filter -o net-gastnetz -j DROP
+    ip46tables -A forward-filter -i enp1s0.202 -o ppp-dtagdsl -j ACCEPT
+    ip46tables -A forward-filter -i enp1s0.202 -j DROP
+    ip46tables -A forward-filter -o enp1s0.202 -j DROP
   '';
 
 }

hosts/carbon/net-heimnetz.nix

@@ -14,6 +14,7 @@
   networking.interfaces."net-heimnetz".ipv6.addresses = [
     { address = "fe80::1"; prefixLength = 64; }
     { address = "fd00:152:152:4::1"; prefixLength = 64; }
+    { address = "2001:4cd8:100:1337::1"; prefixLength = 64; } # public IPs for local network
   ];
   networking.interfaces."net-heimnetz".ipv4.addresses = [
     { address = "10.152.4.1"; prefixLength = 24; }
@@ -22,10 +23,7 @@
   services.radvd.config = ''
     interface net-heimnetz {
       AdvSendAdvert on;
-      prefix ::/64 {
-        AdvValidLifetime 60;
-        AdvPreferredLifetime 30;
-      };
+      prefix 2001:4cd8:100:1337::/64 {};
       RDNSS fd00:152:152::1 {};
       DNSSL net.clerie.de {};
     };

hosts/carbon/net-iot.nix

@@ -23,10 +23,7 @@
   services.radvd.config = ''
     interface net-iot {
       AdvSendAdvert on;
-      prefix ::/64 {
-        AdvValidLifetime 60;
-        AdvPreferredLifetime 30;
-      };
+      prefix fd00:152:152:205::/64 {};
       RDNSS fd00:152:152::1 {};
       DNSSL iot.clerie.de {};
     };

hosts/carbon/ppp.nix

@@ -57,32 +57,4 @@
     ip46tables -t mangle -A forward-mangle -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --set-mss 1416
   '';
 
-  networking.interfaces.net-heimnetz.useDHCP = true;
-  networking.interfaces.ppp-dtagdsl.useDHCP = true;
-
-  networking.dhcpcd = {
-    enable = true;
-    allowInterfaces = [
-      "net-heimnetz"
-      "ppp-dtagdsl"
-    ];
-    wait = "ipv6";
-    extraConfig = ''
-      ipv6only
-      noipv6rs
-      interface ppp-dtagdsl
-        ipv6rs
-        ia_pd 1/::/56 net-heimnetz/201/64
-    '';
-  };
-
-  environment.etc."ppp/ipv6-up" = {
-    text = ''
-      #!${pkgs.runtimeShell}
-
-      set -euo pipefail
-
-      ${pkgs.dhcpcd}/bin/dhcpcd --renew $1
-    '';
-  };
 }