diff --git a/bird/template/inet.conf b/bird/template/inet.conf
index 15c4312..8a3dd09 100644
--- a/bird/template/inet.conf
+++ b/bird/template/inet.conf
@@ -1,74 +1,15 @@
-filter filter_inet4_bgp_import {
-    if is_self_net_inet4() then reject; 
-    if is_bogon_prefix() || (bgp_path.len > 100) then reject; 
-    bgp_large_community.add((LOCAL_ASN,200,0));
-    accept;
-}
-
-filter filter_inet4_bgp_export {
-    if !is_self_net_inet4() then reject; 
-    if is_bogon_prefix() || (bgp_path.len > 100) then reject;
-    if source != RTS_STATIC then reject;
-    if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then reject;      
-    accept;
-}
-
-filter filter_inet6_bgp_import {
-    if is_self_net_inet6() then reject; 
-    if is_bogon_prefix() || (bgp_path.len > 100) then reject; 
-    bgp_large_community.add((LOCAL_ASN,200,0));
-    accept;
-}
-
-filter filter_inet6_bgp_export {
-    if !is_self_net_inet6() then reject; 
-    if is_bogon_prefix() || (bgp_path.len > 100) then reject;
-    if source != RTS_STATIC then reject;
-    if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then reject;      
-    accept;
-}
-
-filter filter_inet4_ibgp_import {
-    if is_self_net_inet4() then reject; 
-    if is_bogon_prefix() then reject; 
-    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
-    accept;
-}
-
-filter filter_inet4_ibgp_export {
-    if is_self_net_inet4() then reject; 
-    if is_bogon_prefix() then reject; 
-    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
-    accept;
-}
-
-filter filter_inet6_ibgp_import {
-    if is_self_net_inet6() then reject;
-    if is_bogon_prefix() then reject;
-    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
-    accept;
-}
-
-filter filter_inet6_ibgp_export {
-    if is_self_net_inet6() then reject;
-    if is_bogon_prefix() then reject;
-    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
-    accept;
-}
-
-
 template bgp tpl_inet_up {
     graceful restart;
     local as LOCAL_ASN;
     ipv4 {
         table inet4;
-        import filter filter_inet4_bgp_import;
-        export filter filter_inet4_bgp_export;
+        import filter {if !function_inet4_bgp_import() then reject; accept; };
+        export filter {if !function_inet4_bgp_export() then reject; accept; };
     };
     ipv6 {
         table inet6;
-        import filter filter_inet6_bgp_import;
-        export filter filter_inet6_bgp_export;
+        import filter {if !function_inet6_bgp_import() then reject; accept; };
+        export filter {if !function_inet6_bgp_export() then reject; accept; };
     };
 }
 
@@ -77,8 +18,8 @@ template bgp tpl_inet4_up {
     local as LOCAL_ASN;
     ipv4 {
         table inet4;
-        import filter filter_inet4_bgp_import;
-        export filter filter_inet4_bgp_export;
+        import filter {if !function_inet4_bgp_import() then reject; accept; };
+        export filter {if !function_inet4_bgp_export() then reject; accept; };
     };
 }
 
@@ -87,8 +28,8 @@ template bgp tpl_inet6_up {
     local as LOCAL_ASN;
     ipv6 {
         table inet6;
-        import filter filter_inet6_bgp_import;
-        export filter filter_inet6_bgp_export;
+        import filter {if !function_inet6_bgp_import() then reject; accept; };
+        export filter {if !function_inet6_bgp_export() then reject; accept; };
     };
 }
 
@@ -101,15 +42,15 @@ template bgp tpl_inet_ibgp {
         table inet4;
         next hop self;
         gateway direct;
-        import filter filter_inet4_ibgp_import;
-        export filter filter_inet4_ibgp_export;
+        import filter {if !function_inet4_ibgp_import() then reject; accept; };
+        export filter {if !function_inet4_ibgp_export() then reject; accept; };
     };
     ipv6 {
         table inet6;
         next hop self;
         gateway direct;
-        import filter filter_inet6_ibgp_import;
-        export filter filter_inet6_ibgp_export;
+        import filter {if !function_inet6_ibgp_import() then reject; accept; };
+        export filter {if !function_inet6_ibgp_export() then reject; accept; };
     };
 }
 
@@ -122,8 +63,8 @@ template bgp tpl_inet4_ibgp {
         table inet4;
         next hop self;
         gateway direct;
-        import filter filter_inet4_ibgp_import;
-        export filter filter_inet4_ibgp_export;
+        import filter {if !function_inet4_ibgp_import() then reject; accept; };
+        export filter {if !function_inet4_ibgp_export() then reject; accept; };
     };
 }
 
@@ -136,7 +77,7 @@ template bgp tpl_inet6_ibgp {
         table inet6;
         next hop self;
         gateway direct;
-        import filter filter_inet6_ibgp_import;
-        export filter filter_inet6_ibgp_export;
+        import filter {if !function_inet6_ibgp_import() then reject; accept; };
+        export filter {if !function_inet6_ibgp_export() then reject; accept; };
     };
 }
\ No newline at end of file
diff --git a/bird/template/inet_filter_func.conf b/bird/template/inet_filter_func.conf
new file mode 100644
index 0000000..cf652f5
--- /dev/null
+++ b/bird/template/inet_filter_func.conf
@@ -0,0 +1,57 @@
+function function_inet4_bgp_import() {
+    if is_self_net_inet4() then return false;
+    if is_bogon_prefix() || (bgp_path.len > 100) then return false;
+    bgp_large_community.add((LOCAL_ASN,200,0));
+    return true;
+}
+
+function function_inet4_bgp_export() {
+    if !is_self_net_inet4() then return false;
+    if is_bogon_prefix() || (bgp_path.len > 100) then reject;
+    if source != RTS_STATIC then reject;
+    if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then return false;     
+    return true;
+}
+
+function function_inet6_bgp_import() {
+    if is_self_net_inet6() then return false;
+    if is_bogon_prefix() || (bgp_path.len > 100) then return false;
+    bgp_large_community.add((LOCAL_ASN,200,0));
+    return true;
+}
+
+function function_inet6_bgp_export() {
+    if !is_self_net_inet6() then return false;
+    if is_bogon_prefix() || (bgp_path.len > 100) then reject;
+    if source != RTS_STATIC then reject;
+    if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then return false;     
+    return true;
+}
+
+function function_inet4_ibgp_import() {
+    if is_self_net_inet4() then return false;
+    if is_bogon_prefix() then return false;
+    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
+    return true;
+}
+
+function function_inet4_ibgp_export() {
+    if is_self_net_inet4() then return false;
+    if is_bogon_prefix() then return false;
+    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
+    return true;
+}
+
+function function_inet6_ibgp_import() {
+    if is_self_net_inet6() then reject;
+    if is_bogon_prefix() then reject;
+    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
+    return true;
+}
+
+function function_inet6_ibgp_export() {
+    if is_self_net_inet6() then reject;
+    if is_bogon_prefix() then reject;
+    if bgp_large_community ~ [(LOCAL_ASN, 1,*)] then reject;
+    return true;
+}
\ No newline at end of file
diff --git a/bird/template/inet_ixp.conf b/bird/template/inet_ixp.conf
deleted file mode 100644
index 99ef346..0000000
--- a/bird/template/inet_ixp.conf
+++ /dev/null
@@ -1,18 +0,0 @@
-template bgp tpl_inet6_ixp {
-    graceful restart;
-    local as LOCAL_ASN;
-    ipv6 {
-        table inet6;
-        import filter {
-            if is_self_net_inet6() then reject; 
-            if is_bogon_prefix() || (bgp_path.len > 100) then reject; 
-            accept;
-        };
-        export filter {
-            if !is_self_net_inet6() then reject; 
-            if is_bogon_prefix() || (bgp_path.len > 100) then reject;
-            if bgp_large_community !~ [(LOCAL_ASN, 200,0)] then reject;      
-            accept;
-        };
-    };
-}
\ No newline at end of file
diff --git a/update.sh b/update.sh
index f417afa..f11d02a 100644
--- a/update.sh
+++ b/update.sh
@@ -6,9 +6,6 @@ git clone https://git.nia.ink/brnet/bird_config.git
 rm /etc/bird/template -rf
 mv ./bird_config/bird/template /etc/bird/template
 
-rm /etc/bird/function/unet.conf -f
-mv ./bird_config/bird/function/unet.conf /etc/bird/function/unet.conf
-
 
 chmod -R 755 /etc/bird