From 949b1df785df8b7db59e780c49d9f1abb56c2b3c Mon Sep 17 00:00:00 2001
From: Emily Trau <me@angus.ws>
Date: Sat, 18 Feb 2023 13:28:04 +1100
Subject: [PATCH] nixos/tailscale: fix config priority conflict

---
 nixos/modules/services/networking/tailscale.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/networking/tailscale.nix b/nixos/modules/services/networking/tailscale.nix
index 233bfdf9ebf5..c81cf293ab6d 100644
--- a/nixos/modules/services/networking/tailscale.nix
+++ b/nixos/modules/services/networking/tailscale.nix
@@ -82,8 +82,8 @@ in {
     };
 
     boot.kernel.sysctl = mkIf (cfg.useRoutingFeatures == "server" || cfg.useRoutingFeatures == "both") {
-      "net.ipv4.conf.all.forwarding" = mkDefault true;
-      "net.ipv6.conf.all.forwarding" = mkDefault true;
+      "net.ipv4.conf.all.forwarding" = mkOverride 97 true;
+      "net.ipv6.conf.all.forwarding" = mkOverride 97 true;
     };
 
     networking.firewall.checkReversePath = mkIf (cfg.useRoutingFeatures == "client" || cfg.useRoutingFeatures == "both") "loose";