all repos — nixfiles @ bc29e2bb1d254c063d698ca20d0368eb9c5f035d

System and user configuration, managed by nix and home-manager

router: advertise DNS using ULA address, not link-local

Alin
commit

bc29e2bb1d254c063d698ca20d0368eb9c5f035d

parent

844b4a55e631c9001cfb792bc3eff6f050c7ef8c

1 file changed, 3 insertions(+), 2 deletions(-)

changed files
M system/roles/router.nix → system/roles/router.nix
@@ -28,6 +28,7 @@ "9.9.9.9"
     "149.112.112.112"
   ];
   nsTLSHostname = "dns.quad9.net";
+  justAddress = (a: builtins.head (lib.strings.splitString "/" a));
 in
 {
   imports = [

@@ -114,7 +115,7 @@ ConfigureWithoutCarrier = true;
           MulticastDNS = true;
           Domains = [ config.networking.domain ];
           LinkLocalAddressing = "ipv6"; # required for networkd RA despite fe80::1 static assignment
-          DNS = map (a: builtins.head (lib.strings.splitString "/" a)) address;
+          DNS = map justAddress address;
           DNSDefaultRoute = false;
           IPv6SendRA = true;
         };

@@ -128,7 +129,7 @@ };
         ipv6SendRAConfig = {
           Managed = true;
           OtherInformation = true;
-          DNS = [ "_link_local" ];
+          DNS = map justAddress (builtins.filter (lib.strings.hasInfix ":") address);
         };
         ipv6Prefixes = [
           {