2 files changed, 35 insertions, 13 deletions
diff --git a/tnet/files/akili/bird-tnet-pre.conf b/tnet/files/akili/bird-tnet-pre.conf
new file mode 100644
index 0000000..74c981d
--- /dev/null
+++ b/tnet/files/akili/bird-tnet-pre.conf
@@ -0,0 +1,20 @@
+define tnet = fdb1:4242:3538:2000::/52;
+
+function is_tnet()
+{
+  return net ~ tnet;
+}
+
+roa6 table dn42_roa;
+
+protocol static {
+    roa6 { table dn42_roa; };
+    include "/etc/bird/dn42_roa_bird2_6.conf";
+};
+
+function dn42_is_valid_network()
+{
+  return net ~ [
+    fd00::/8{44,64} # ULA address space as per RFC 4193
+  ];
+}
diff --git a/tnet/files/akili/bird-tnet.conf b/tnet/files/akili/bird-tnet.conf
index 3c53d79..24c9b8e 100644
--- a/tnet/files/akili/bird-tnet.conf
+++ b/tnet/files/akili/bird-tnet.conf
@@ -1,10 +1,8 @@
-define tnet = fdb1:4242:3538::/48;
-define tnet_router = fdb1:4242:3538:ffff::/64;
-
-function is_tnet() -> bool
-{
-  return net ~ tnet && ! (net ~ tnet_router);
-}
+# Set to true if this peer is directly connected to a dn42 peer
+define is_dn42_peer = true;
+# If we are connected directly to dn42, we don't want the dn42 routes from others
+define import_dn42 = !is_dn42_peer;
+define export_dn42 = is_dn42_peer;
 
 template bgp tnet_tpl {
   local    as 4242423538;
@@ -18,19 +16,23 @@ template bgp tnet_tpl {
     next hop self;
     import filter {
       if is_tnet() then {
-        print proto, ": import accept, net=", net, ", from=", from, ", gw=", gw;
-        accept;
+        accept proto, ": (tnet) import accept, net=", net, ", from=", from, ", gw=", gw;
+      } else if import_dn42 && dn42_is_valid_network() then {
+        accept proto, ": (dn42) import accept, net=", net, ", from=", from, ", gw=", gw;
+      } else {
+        reject proto, ": import reject, reason=not tnet";
       }
-      print proto, ": import reject, reason=not tnet"; reject;
     };
     # newer bird's only
     # import keep filtered;
     export filter {
       if is_tnet() then {
-        print proto, ": export accept, net=", net, ", from=", from, ", gw=", gw;
-        accept;
+        accept proto, ": (tnet) export accept, net=", net, ", from=", from, ", gw=", gw;
+      } else if export_dn42 && dn42_is_valid_network() then {
+        accept proto, ": (dn42) import accept, net=", net, ", from=", from, ", gw=", gw;
+      } else {
+        reject proto, ": export reject, reason=not tnet";
       }
-      print proto, ": export reject, reason=not tnet"; reject;
     };
   };
 }