freifunk: configure ipv6

hosts/containers/freifunk/configuration.nix

@@ -85,10 +85,30 @@ in {
       "20-core" = {
         enable = true;
         matchConfig = { Name = "core"; };
-        networkConfig = {
-          Address = "${coreAddress}/${toString corePrefixlen}";
-          Gateway = "172.20.72.7";
-        };
+        addresses = [ {
+          addressConfig = {
+            Address = "${coreAddress}/${toString corePrefixlen}";
+          };
+        } {
+          addressConfig = {
+            Address = "2a02:8106:208:5281:8000::1/64";
+          };
+        } {
+          addressConfig = {
+            Address = "fd23:42:c3d2:581:8000::1/64";
+          };
+        } ];
+        routes = [ {
+          routeConfig = {
+            # upstream1
+            Gateway = "2a02:8106:208:5281::b:0";
+          };
+        } {
+          routeConfig = {
+            # anon1
+            Gateway = "172.20.72.7";
+          };
+        } ];
       };
     };
   };
@@ -131,17 +151,21 @@ in {
   services.bird2 = {
     enable = true;
     config = ''
-        protocol kernel {
+        protocol kernel K4 {
           ipv4 {
             export all;
           };
         }
+        protocol kernel K6 {
+          ipv6 {
+            export all;
+          };
+        }
         protocol device {
           scan time 10;
         }
 
-        protocol ospf ZW4 {
-          ipv4;
+        protocol ospf v2 ZW4 {
           area 0 {
             networks {
               172.20.72.0/21;
@@ -154,6 +178,20 @@ in {
           };
         }
 
+        protocol ospf v3 ZW6 {
+          area 0 {
+            networks {
+              fd23:42:c3d2:500::/56;
+              2a02:8106:208:5200::/56;
+              2a02:8106:211:e900::/56;
+            };
+            interface "core" {
+              #authentication cryptographic;
+              #password "${import <secrets/shared/ospf/message-digest-key.nix>}";
+            };
+          };
+        }
+
         router id ${coreAddress};
       '';
   };