[SEBA-179] Fabric-crossconnect service should react to changes in BNGPortMapping

Change-Id: Ie7174ac31af300dabb50e0d850fff0c474e5366a
diff --git a/xos/synchronizer/models/fabric-crossconnect.xproto b/xos/synchronizer/models/fabric-crossconnect.xproto
index 5844106..a7cbe35 100644
--- a/xos/synchronizer/models/fabric-crossconnect.xproto
+++ b/xos/synchronizer/models/fabric-crossconnect.xproto
@@ -25,6 +25,8 @@
 }
 
 message BNGPortMapping (XOSBase) {
+    option sync_implemented = "True";
+
     required string s_tag = 1 [
         help_text = "Single s-tag, range of s-tags, or 'ANY'",
         max_length = 1024,