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lastFile:modules/clan/gw-router/default.nix
2026-08-07 17:18:13 +07:00
parent 553f9a653d
commit 93ef72810d
3 changed files with 31 additions and 1 deletions
@@ -0,0 +1,29 @@
+{
+  roles.default.perInstance = { ... }: {
+    nixosModule =
+      {
+        lib,
+        ...
+      }:
+      {
+
+        systemd.network.networks."45-ppp0" = {
+          matchConfig.Name = "ppp0";
+          networkConfig = {
+            DHCP = "ipv6";
+            # pppd owns the v4 address/route on this link; don't let networkd
+            # tear them down.
+            KeepConfiguration = "static";
+            # Default v6 route comes from the ISP's RA when they send one.
+            IPv6AcceptRA = true;
+          };
+          # Many PPPoE ISPs never send an RA with the M flag; solicit regardless.
+          dhcpV6Config.WithoutRA = "solicit";
+          linkConfig.RequiredForOnline = "no";
+        };
+
+        boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = lib.mkDefault 1;
+
+      };
+  };
+}