Activate OSPF on nonat and porter

hosts/porter/configuration.nix

@@ -1,10 +1,11 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 
 {
   imports =
     [
       ./hardware-configuration.nix
       ../../configuration/common
+      ../../configuration/router
     ];
 
   boot.loader.grub.enable = true;
@@ -14,6 +15,16 @@
   networking.hostName = "porter";
 
   networking.useDHCP = false;
+  # Local Router IPs
+  networking.interfaces.lo.ipv6.addresses = [
+    { address = "fd00:152:152:102::1"; prefixLength = 64; }
+    { address = "fd00:152:152::1"; prefixLength = 64; } # Anycast
+  ];
+  networking.interfaces.lo.ipv4.addresses = [
+    { address = "10.152.102.1"; prefixLength = 24; }
+    { address = "10.152.0.1"; prefixLength = 24; } # Anycast
+  ];
+  # Network
   networking.interfaces.ens3.ipv4.addresses = [ { address = "188.34.158.206"; prefixLength = 32; } ];
   networking.interfaces.ens3.ipv6.addresses = [ { address = "2a01:4f8:c010:4c92::1"; prefixLength = 64; } ];
   networking.defaultGateway = { address = "172.31.1.1"; interface = "ens3"; };
@@ -36,5 +47,48 @@
 
   networking.firewall.allowedUDPPorts = [ 51337 ];
 
+  services.bird2.enable = true;
+  services.bird2.config = ''
+  router id ${ (lib.head config.networking.interfaces.lo.ipv4.addresses).address };
+
+  ipv6 table ospf6;
+
+  protocol direct {
+          interface "lo";
+          ipv6 {
+                  table ospf6;
+          };
+  }
+
+  protocol kernel {
+    ipv6 {
+      table ospf6;
+      export filter {
+        krt_prefsrc=fd00:152:152:102::1;
+        accept;
+      };
+      import none;
+    };
+  }
+
+  protocol ospf v3 {
+    ipv6 {
+      table ospf6;
+      import all;
+      export all;
+    };
+    area 0 {
+      interface "wg-nonat" {
+        cost 80;
+        type pointopoint;
+      };
+    };
+  }
+
+  protocol device {
+    scan time 10;
+  }
+  '';
+
   system.stateVersion = "21.03";
 }