diff --git a/app/services/foreman_salt/fact_parser.rb b/app/services/foreman_salt/fact_parser.rb
index 87c3afc..9acfc01 100644
--- a/app/services/foreman_salt/fact_parser.rb
+++ b/app/services/foreman_salt/fact_parser.rb
@@ -51,12 +51,20 @@ module ForemanSalt
       nil
     end
 
+    def ignored_interfaces
+      @ignored_interfaces ||= Setting.convert_array_to_regexp(Setting[:ignored_interface_identifiers])
+    end
+
     def interfaces
       interfaces = {}
 
       facts.each do |fact, value|
         next unless value && fact.to_s =~ /^ip_interfaces/
         (_, interface, number) = fact.split(FactName::SEPARATOR)
+        if interface.match(ignored_interfaces)
+          logger.debug { "skipping interface with identifier '#{interface}' since it was matched by 'ignored_interface_identifiers' setting " }
+          next
+        end
 
         interface_name = if number == '0' || number.nil?
                            interface