further refined and documents issues with wire guard config

configurations/nixos/defiant/configuration.nix

@@ -120,12 +120,6 @@
   systemd.network = {
     enable = true;
 
-    # config = {
-    #   routeTables = {
-    #     p2p = 1;
-    #   };
-    # };
-
     netdevs = {
       "10-bond0" = {
         netdevConfig = {
@@ -138,23 +132,20 @@
         };
       };
 
-      # "15-p2p0" = {
+      # "20-wg0" = {
       #   netdevConfig = {
       #     Kind = "wireguard";
-      #     Name = "p2p0";
+      #     Name = "wg0";
-      #     MTUBytes = "1280";
       #   };
       #   wireguardConfig = {
       #     PrivateKeyFile = config.sops.secrets."vpn-keys/proton-wireguard/defiant-p2p".path;
       #     ListenPort = 51820;
-      #     # RouteTable = "p2p";
       #   };
       #   wireguardPeers = [
       #     {
       #       PublicKey = "rRO6yJim++Ezz6scCLMaizI+taDjU1pzR2nfW6qKbW0=";
       #       Endpoint = "185.230.126.146:51820";
       #       AllowedIPs = ["0.0.0.0/0"];
-      #       RouteTable = "off";
       #     }
       #   ];
       # };
@@ -176,17 +167,25 @@
         dns = ["192.168.1.1"];
       };
 
-      # "45-p2p0" = {
+      # For some reason this isn't working. It looks like traffic goes out and comes back but doesn't get correctly routed back to the wg interface on the return trip
-      #   matchConfig.Name = "p2p0";
+      # debugging steps:
+      # try sending data on the interface `ping -I wg0 8.8.8.8`
+      # view all traffic on the interface `sudo tshark -i wg0`
+      # see what applications are listening to port 14666 (thats what we currently have qbittorent set up to use) `ss -tuln | grep 14666`
+      # "50-wg0" = {
+      #   matchConfig.Name = "wg0";
+      #   networkConfig = {
+      #     DHCP = "no";
+      #   };
       #   address = [
       #     "10.2.0.2/32"
       #   ];
-      #   routes = [
+      #   # routes = [
-      #     {
+      #   #   {
-      #       Destination = "0.0.0.0/0";
+      #   #     Destination = "10.2.0.2/32";
-      #     }
+      #   #     Gateway = "10.2.0.1";
-      #   ];
+      #   #   }
-      #   linkConfig.RequiredForOnline = false;
+      #   # ];
       # };
     };
   };