%fieldset
  %legend
    Selected Probeware Interface: 
    
  = f.collection_select(:vendor_interface_id, Probe::VendorInterface.all, :id, :name, :html => { :id => "vendor_interface_id" })

  #vendor_interface
    = render :partial => 'probe/vendor_interfaces/vendor_interface', :locals => { :vendor_interface => vendor_interface }

= observe_field(:user_vendor_interface_id, :function => "new Ajax.Updater('vendor_interface', '/probe/vendor_interfaces/'+value, {asynchronous:true, evalScripts:true, method:'get'})" )

%fieldset
  %legend
    Selected Probeware Interface: 
    
  = f.collection_select(:vendor_interface_id, Admin::Project.default_project.enabled_vendor_interfaces, :id, :name, :html => { :id => "vendor_interface_id" })

  #vendor_interface
    = render :partial => 'probe/vendor_interfaces/vendor_interface', :locals => { :vendor_interface => vendor_interface }

= observe_field(:user_vendor_interface_id, :function => "new Ajax.Updater('vendor_interface', '/probe/vendor_interfaces/'+value, {asynchronous:true, evalScripts:true, method:'get'})" )

Use projects enabled vendor interfaces for select.
Use projects enabled vendor interfaces for select.