replace accept_local with statically-injected BGP communities

natesales · Nov 8, 2020 · 42bdd5a · 42bdd5a
1 parent 3202afd
commit 42bdd5a
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Showing 2 changed files with 3 additions and 19 deletions.
diff --git a/templates/global.tmpl b/templates/global.tmpl
@@ -11,7 +11,7 @@ define LOCAL_v4 = [
 protocol static static4 {
   ipv4;
   {{- range $i, $prefix := .OriginSet4 }}
-  route {{ $prefix }} reject;
+  route {{ $prefix }} reject { bgp_large_community.add(ASN,0,100) };
   {{- end }}
 }
 {{- end }}
@@ -24,7 +24,7 @@ define LOCAL_v6 = [
 protocol static static6 {
   ipv6;
   {{- range $i, $prefix := .OriginSet6 }}
-  route {{ $prefix }} reject;
+  route {{ $prefix }} reject { bgp_large_community.add(ASN,0,100) };
   {{- end }}
 }
 {{- end }}
@@ -212,22 +212,6 @@ function strip_communities() {
   bgp_large_community.delete([(ASN, *, *)]);
 }
 
-function accept_local() {
-  {{ if .OriginSet4 -}}
-  if (net ~ LOCAL_v4 ) then {
-    bgp_large_community.add((ASN,0,100)); # Originated
-    accept;
-  }
-  {{- end }}
-
-  {{ if .OriginSet6 -}}
-  if (net ~ LOCAL_v6 ) then {
-    bgp_large_community.add((ASN,0,100)); # Originated
-    accept;
-  }
-  {{- end }}
-}
-
 function process_prepends() {
   if ((ASN,0,401) ~ bgp_community) then {
     print "Adding single prepend for ", net;

diff --git a/templates/peer.tmpl b/templates/peer.tmpl
@@ -74,7 +74,7 @@ protocol bgp {{ $peer.Name }}v{{ $af }}_{{ $i }} {
             {{ $peer.PreExport -}}
 
             {{- if or $global.OriginSet4 $global.OriginSet6 }}
-            accept_local(); # Originated
+            if ((ASN,0,100) ~ bgp_large_community) then accept; # Originated
             {{ end -}}
 
             {{ if eq $peer.Type "upstream" -}}