Bird config

thilo-alpine/config/bird/bird.conf

@@ -1,9 +1,9 @@
 define AS = 4242421411; 
-define IPv4 = 172.23.196.32;
+define IPv4 = 172.23.196.33;
 define IPv6 = fd42:deca:fbad::1;
 define NETv4 = 172.23.196.32/27;
 define NETv6 = fd42:deca:fbad::/48;
-define NETSETv4 = 172.23.196.32/27;
+define NETSETv4 = [172.23.196.32/27+];
 define NETSETv6 = [fd42:deca:fbad::/48+];
 define DN42_REGION = 41; # Europe
 
@@ -18,7 +18,7 @@ roa6 table dn42_roa_v6;
 
 protocol device {
     scan time 10;
-}
+};
 
 protocol kernel {
     scan time 20;
@@ -30,7 +30,7 @@ protocol kernel {
             accept;
         };
     };
-}
+};
 
 protocol kernel {
     scan time 20;
@@ -45,12 +45,16 @@ protocol kernel {
 };
 
 protocol static {
-    roa4 { table dn42_roa; };
+    roa4 { 
+        table dn42_roa; 
+    };
     include "/etc/bird/roa/dn42_roa_bird2_4.conf";
 };
 
 protocol static {
-    roa6 { table dn42_roa_v6; };
+    roa6 { 
+        table dn42_roa_v6; 
+    };
     include "/etc/bird/roa/dn42_roa_bird2_6.conf";
 };
 
@@ -71,13 +75,20 @@ protocol static {
 }
 
 include "/etc/bird/config/community_filters.conf";
+
 template bgp dn42_peer {
     local as AS;
     prefer older on;
-
     enforce first as on;
     advertise hostname on;
-}
+};
 
+template bgp dn42_igp {
+    local as AS;
+    direct;
+};
+
+include "/etc/bird/igp/ospf/ospf.conf";
+include "/etc/bird/igp/peers/*";
 include "/etc/bird/peers/*";
 

thilo-alpine/config/bird/bird/config/community_filters.conf

@@ -91,3 +91,24 @@ function dn42_export_filter(int link_latency; int link_bandwidth; int link_crypt
     reject;
 }
 
+function dn42_ibgp_import_filter(int link_latency; int link_bandwidth; int link_crypto) {
+    if source = RTS_BGP && net.type = NET_IP4 && is_valid_network() && !is_self_net() then {
+    	update_flags(link_latency, link_bandwidth, link_crypto);
+	    accept;
+    } else if source = RTS_BGP && net.type = NET_IP6 && is_valid_network_v6() && !is_self_net_v6() then {
+    	update_flags(link_latency, link_bandwidth, link_crypto);
+	    accept;
+    } else {
+	    reject;
+    }
+}
+
+function dn42_ibgp_export_filter(int link_latency; int link_bandwidth; int link_crypto) {
+    if source = RTS_BGP && (is_valid_network() || is_valid_network_v6()) && (!is_self_net() || !is_self_net_v6()) then {
+	update_flags(link_latency, link_bandwidth, link_crypto);
+	    accept;
+    }
+    reject;
+}
+
+

thilo-alpine/config/bird/bird/igp/ospf/ospf.conf

@@ -0,0 +1,16 @@
+protocol ospf v3 ospf_karx {
+    ipv4 {
+        import where is_self_net() && source != RTS_BGP;
+        export where is_self_net() && source != RTS_BGP;
+    };
+    include "/etc/bird/igp/ospf/ospf_backbone.conf";
+};
+
+protocol ospf v3 ospf6_karx {
+    ipv6 {
+        import where is_self_net_v6() && source != RTS_BGP;
+        export where is_self_net_v6() && source != RTS_BGP;
+    };
+    include "/etc/bird/igp/ospf/ospf_backbone.conf";
+};
+

thilo-alpine/config/bird/bird/igp/ospf/ospf_backbone.conf

@@ -0,0 +1,10 @@
+area 0 {
+    interface "wgs1" {
+        cost 100;
+    };
+
+    interface "dn42_igp_gpvm" {
+        stub;
+    };
+};
+

thilo-alpine/config/bird/bird/igp/peers/karx.conf

@@ -0,0 +1,16 @@
+protocol bgp karx_ibgp from dn42_igp {
+    neighbor fe80::4242%wgs1 as AS;
+
+    ipv4 {
+	    import where dn42_ibgp_import_filter(5,24,33);
+	    export where dn42_ibgp_export_filter(5,24,33);
+	    next hop self;
+	    extended next hop on;
+    };
+    ipv6 {
+	    import where dn42_ibgp_import_filter(5,24,33);
+	    export where dn42_ibgp_export_filter(5,24,33);
+	    next hop self;
+    };
+}
+

thilo-alpine/config/bird/bird/peers/COLLECTOR.conf

@@ -0,0 +1,29 @@
+protocol bgp COLLECTOR {
+    local as 4242421411;
+    neighbor fd42:4242:2601:ac12::1 as 4242422602;
+    multihop;
+
+    ipv4 {
+        add paths tx;
+        import none;
+        export filter {
+            if ( is_valid_network() && source ~ [ RTS_STATIC, RTS_BGP ] )
+            then {
+                accept;
+            }
+            reject;
+        };
+    };
+    ipv6 {
+        add paths tx;
+        import none;
+        export filter {
+            if ( is_valid_network_v6() && source ~ [ RTS_STATIC, RTS_BGP ] )
+            then {
+                accept;
+            }
+            reject;
+        };
+    };
+};
+