Add babel (commented out), allow RTS_BABEL into ospf, remove hvn2 user key, rebuild

overlays/bird/vpp/etc/bird/bird.conf.j2

@@ -17,5 +17,6 @@ protocol kernel kernel6 {
 include "core/static.conf";
 include "core/bfd.conf";
 include "core/ospf.conf";
+# include "core/babel.conf";
 include "manual.conf";
 

overlays/bird/vpp/etc/bird/core/babel.conf.j2

@@ -0,0 +1,13 @@
+protocol babel {
+  interface "e*" {
+    type wired;
+    extended next hop on;
+    rtt cost 1000;
+    rtt min 5ms;
+    rtt max 30ms;
+    authentication mac permissive;
+    password "IPng loves bird";
+  };
+  ipv6 { import all; export all; };
+  ipv4 { import all; export all; };
+}

overlays/bird/vpp/etc/bird/core/ospf.conf.j2

@@ -1,5 +1,5 @@
 protocol ospf v2 ospf4 {
-  ipv4 { export where (source = RTS_DEVICE || source = RTS_STATIC); import all; };
+  ipv4 { export where (source ~ [ RTS_DEVICE, RTS_STATIC, RTS_BABEL ]); import all; };
   area 0 {
     interface "loop0" { stub yes; };
     interface "e0" { type pointopoint; cost 5; bfd off; };
@@ -10,7 +10,7 @@ protocol ospf v2 ospf4 {
 }
 
 protocol ospf v3 ospf6 {
-  ipv6 { export where (source = RTS_DEVICE || source = RTS_STATIC); import all; };
+  ipv6 { export where (source ~ [ RTS_DEVICE, RTS_STATIC, RTS_BABEL ]); import all; };
   area 0 {
     interface "loop0" { stub yes; };
     interface "e0" { type pointopoint; cost 5; bfd off; };