From b0e12b19f8d9359d7675fb458a517e65b38d56d3 Mon Sep 17 00:00:00 2001
From: Jeltz <jeltz@auro.re>
Date: Sun, 4 Sep 2022 07:40:51 +0200
Subject: [PATCH] bird: prevent duplicate rules

---
 roles/bird/templates/bird.conf.j2 | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/roles/bird/templates/bird.conf.j2 b/roles/bird/templates/bird.conf.j2
index fa187f9..a369d93 100644
--- a/roles/bird/templates/bird.conf.j2
+++ b/roles/bird/templates/bird.conf.j2
@@ -8,25 +8,30 @@ protocol device {
     scan time 10;
 }
 
-protocol kernel {
+protocol direct {
+    ipv4;
+    ipv6;
+}
+
+protocol kernel kernel4 {
     ipv4 {
         import all;
-        export all;
+        export where source != RTS_DEVICE;
     };
 }
 
-protocol kernel {
+protocol kernel kernel6 {
     ipv6 {
         import all;
-        export all;
+        export where source != RTS_DEVICE;
     };
 }
 
-protocol ospf v2 {
+protocol ospf v2 ospf4 {
 
     ipv4 {
         import all;
-        export where source = RTS_STATIC;
+        export where source ~ [ RTS_STATIC, RTS_DEVICE ];
     };
 
     area 0 {
@@ -50,11 +55,11 @@ protocol ospf v2 {
 
 }
 
-protocol ospf v3 {
+protocol ospf v3 ospf6 {
 
     ipv6 {
         import all;
-        export where source = RTS_STATIC;
+        export where source ~ [ RTS_STATIC, RTS_DEVICE ];
     };
 
     area 0 {
@@ -81,10 +86,6 @@ protocol ospf v3 {
 {% if bird__radv_interfaces %}
 protocol radv {
 
-    ipv6 {
-        export all;
-    };
-
 {% for name, iface in bird__radv_interfaces.items() %}
     interface {{ name | enquote }} {
         max ra interval {{ bird__radv_max_interval | int }};