From 176b2638034be2a31b83aaaa7e1d175d5d72ca61 Mon Sep 17 00:00:00 2001
From: Christoph Urlacher <christoph.urlacher@protonmail.com>
Date: Mon, 10 Mar 2025 14:33:18 +0100
Subject: [PATCH] ServeNix: Enable IPv6

---
 ServeNix/configuration.nix | 34 +++++++++++++++++++++++++++-------
 1 file changed, 27 insertions(+), 7 deletions(-)

diff --git a/ServeNix/configuration.nix b/ServeNix/configuration.nix
index 5457938..ab18cfa 100644
--- a/ServeNix/configuration.nix
+++ b/ServeNix/configuration.nix
@@ -98,16 +98,32 @@
 
     # Enable networking
     networkmanager.enable = true;
+    enableIPv6 = true;
+
+    interfaces.ens18 = {
+      ipv4.addresses = [
+        {
+          address = "192.168.86.25";
+          prefixLength = 24;
+        }
+      ];
+
+      ipv6.addresses = [
+        {
+	  address = "fd00::25";
+	  prefixLength = 120;
+	}
+      ];
+    };
 
-    interfaces.ens18.ipv4.addresses = [{
-      address = "192.168.86.25";
-      prefixLength = 24;
-    }];
     defaultGateway = "192.168.86.5";
+    defaultGateway6 = "fd00::5";
+
     nameservers = [
       # "127.0.0.1"
-      "192.168.86.26"
       # "8.8.8.8"
+      "192.168.86.26"
+      "fd00::26"
     ];
   };
 
@@ -127,9 +143,9 @@
       if [ -z "$check" ]; then
         # TODO: Disable IP masquerading to show individual containers in AdGuard/Pi-Hole
         #       - Disabling this prevents containers from having internet connection. DNS issue?
-        # ${dockercli} network create -o "com.docker.network.bridge.enable_ip_masquerade"="false" ${network}
+        # ${dockercli} network create -o "com.docker.network.bridge.enable_ip_masquerade"="false" -o "enable_ipv6"="true" ${network}
 
-        ${dockercli} network create ${network}
+        ${dockercli} network create -o "enable_ipv6"="true" ${network}
       else
         echo "${network} already exists in docker"
       fi
@@ -231,10 +247,14 @@
       #   setSocketVariable = true;
       # };
       daemon.settings = {
+        ipv6 = true;
+	fixed-cidr-v6 = "2001::/80";
+
         dns = [
           # TODO: Does this circumvent my DNS for each container?
           #       It might improve gitea actions though...
           "8.8.8.8"
+	  "2001:4860:4860::8888"
 
           # TODO: Might prevent containers from having DNS?
           # "127.0.0.1"