Enable IPv6 on guest net

hosts/carbon/configuration.nix

@@ -61,6 +61,7 @@
   };
   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."enp1s0.202".ipv4.addresses = [
     { address = "192.168.32.1"; prefixLength = 24; }
@@ -93,6 +94,12 @@
       RDNSS fd00:152:152::1 {};
       DNSSL net.clerie.de {};
     };
+    interface enp1s0.202 {
+      AdvSendAdvert on;
+      prefix 2001:4cd8:100:1313::/64 {};
+      route ::/0 {};
+      RDNSS 2620:fe::fe {}; # Quad 9
+    };
   '';
 
   services.kea.dhcp4 = {
@@ -258,10 +265,10 @@
   networking.firewall.allowedTCPPorts = [ 53 ];
 
   networking.firewall.extraCommands = ''
-    iptables -A FORWARD -i enp1s0.202 -o ppp-ntvdsl -j ACCEPT
+    ip46tables -A FORWARD -i enp1s0.202 -o ppp-ntvdsl -j ACCEPT
-    iptables -A FORWARD -i enp1s0.202 -j DROP
+    ip46tables -A FORWARD -i enp1s0.202 -j DROP
-    iptables -A FORWARD -i ppp-ntvdsl -o enp1s0.202 -j ACCEPT
+    ip46tables -A FORWARD -i ppp-ntvdsl -o enp1s0.202 -j ACCEPT
-    iptables -A FORWARD -o enp1s0.202 -j DROP
+    ip46tables -A FORWARD -o enp1s0.202 -j DROP
   '';
 
   services.pppd = {

hosts/dn42-il-gw1/configuration.nix

@@ -151,6 +151,26 @@
       ];
       privateKeyFile = "/var/src/secrets/wireguard/wg1302";
     };
+    # lutoma
+    wg4719 = {
+      ips = [
+        #"fe80::1/128"
+        # peer fe80::acab/128
+      ];
+      postSetup = ''
+      ip addr add dev wg4719 fe80::1/128 peer fe80::acab/128
+      '';
+      listenPort = 54719;
+      allowedIPsAsRoutes = false;
+      peers = [
+        {
+          allowedIPs = [ "fe80::/10" "fd00::/8" ];
+          endpoint = "[2603:c020:8001:ed42::42]:42546";
+          publicKey = "MkVyCgIq0BOStFIu2/Wl91ofFuRvnG3ZqTWFfVs/VlQ=";
+        }
+      ];
+      privateKeyFile = "/var/src/secrets/wireguard/wg4719";
+    };
   };
 
   petabyte.policyrouting = {
@@ -301,6 +321,10 @@
   	source address fe80::a14e;
   }
 
+  protocol bgp peer_4719 from bgp_peer {
+    neighbor fe80::acab%wg4719 as 64719;
+  }
+
   protocol device {
           scan time 10;
   }