diff --git a/README.md b/README.md
index e035ed0..2dd7e4b 100644
--- a/README.md
+++ b/README.md
@@ -8,25 +8,25 @@ Feel free to send patches to http://github.com/c2devel/cumulus-cl-interfaces-pup
 
 #### Table of Contents
 
-- [cumulus_interface](#cumulusinterface)
+- [cumulus_interface](#cumulus_interface)
       - [Table of Contents](#table-of-contents)
   - [Overview](#overview)
   - [Module Description](#module-description)
-    - [cumulus_interface](#cumulusinterface-1)
-    - [cumulus_bond](#cumulusbond)
-    - [cumulus_bridge](#cumulusbridge)
+    - [cumulus_interface](#cumulus_interface-1)
+    - [cumulus_bond](#cumulus_bond)
+    - [cumulus_bridge](#cumulus_bridge)
   - [Setup](#setup)
-    - [What cumulus_interface affects](#what-cumulusinterface-affects)
+    - [What cumulus_interface affects](#what-cumulus_interface-affects)
   - [Usage](#usage)
   - [Reference](#reference)
     - [Types](#types)
-      - [`cumulus_interface`](#cumulusinterface-2)
+      - [`cumulus_interface`](#cumulus_interface-2)
         - [Parameters](#parameters)
-      - [`cumulus_bond`](#cumulusbond-1)
+      - [`cumulus_bond`](#cumulus_bond-1)
         - [Parameters](#parameters-1)
-      - [`cumulus_bridge`](#cumulusbridge-1)
+      - [`cumulus_bridge`](#cumulus_bridge-1)
         - [Parameters:](#parameters-2)
-      - [`cumulus_vxlan`](#cumulusvxlan)
+      - [`cumulus_vxlan`](#cumulus_vxlan)
         - [Parameters:](#parameters-3)
   - [Limitations](#limitations)
   - [Development](#development)
@@ -179,7 +179,7 @@ cumulus_bridge { 'bridge':
 * `virtual_ip` - VRR virtual IP address.
 * `virtual_mac` - VRR virtual MAC address.
 * `access` - For bridging, a type of port that is non-trunking. For dot1x an IP source address or network that will be serviced (an integer from 1 to 4094).
-* `allow_untagged` - A bridge port interface may allow untagged packets. Valid value: `no`.
+* `allow_untagged` - A bridge port interface may allow untagged packets. Valid value: `false`.
 * `vids` - Array of VLANs to be configured for a VLAN-aware trunk interface.
 * `pvid` - Native VLAN for a VLAN-aware trunk interface.
 * `location` - Location of the configuration snippets directory. Default is `/etc/network/interfaces.d/`.
@@ -219,7 +219,7 @@ The following CLAG-related attributes are also available. If CLAG is enabled, yo
 * `virtual_ip` - VRR virtual IP address.
 * `virtual_mac` - VRR virtual MAC address.
 * `access` - For bridging, a type of port that is non-trunking. For dot1x an IP source address or network that will be serviced (an integer from 1 to 4094).
-* `allow_untagged` - A bridge port interface may allow untagged packets. Valid value: `no`.
+* `allow_untagged` - A bridge port interface may allow untagged packets. Valid value: `false`.
 * `vids` - Array of VLANs to be configured for a VLAN-aware trunk interface.
 * `pvid` - Native VLAN for a VLAN-aware trunk interface.
 * `location` - Location of the configuration snippets directory. Default is `/etc/network/interfaces.d/`.
@@ -266,9 +266,8 @@ The following CLAG-related attributes are also available. If CLAG is enabled, yo
 * `mstpctl_bpduguard` - Enable BPDU guard on a VLAN-aware trunk.
 * `location` - Location of the configuration snippets directory. Default is `/etc/network/interfaces.d/`.
 * `access` - For bridging, a type of port that is non-trunking. For dot1x an IP source address or network that will be serviced (an integer from 1 to 4094).
-* `allow_untagged` - A bridge port interface may allow untagged packets. Valid value: `no`.
-* `arp_nd_suppress` - ARP ND suppression. Valid values: `'on'` or `'off'`.
-* `learning` - The bridge port learning flag. Valid values: `'on'` or `'off'`.
+* `arp_nd_suppress` - ARP ND suppression. Valid value: `'on'`.
+* `learning` - The bridge port learning flag. Valid value: `'off'`.
 * `mstpctl_portbpdufilter` - BPDU filter on a port. Valid values: `true` or `false`.
 * `mstpctl_bpduguard` - Bridge Protocol Data Unit guard. Valid values: `true` or `false`.
 * `vxlan_id` - VXLAN Identifier (An integer from 1 to 16777214)
diff --git a/lib/cumulus/utils.rb b/lib/cumulus/utils.rb
index 1503e68..520cc9b 100644
--- a/lib/cumulus/utils.rb
+++ b/lib/cumulus/utils.rb
@@ -20,17 +20,11 @@ def munge_array(value)
       return_value
     end
 
-    def validate_on_off(value)
-      ok_values = ['on', 'off']
-      if not ok_values.include? value
-        raise("value must be one of #{ok_values}")
-      end
-    end
-
-    def validate_no(value)
-      if value != 'no'
-        raise("value must be 'no'")
+    def validate_value(value, allowed_value)
+      if value != allowed_value
+        raise("value must be `#{allowed_value}`")
       end
+      value
     end
   end
 end
diff --git a/lib/puppet/type/cumulus_bond.rb b/lib/puppet/type/cumulus_bond.rb
index dd5ea1e..4f6264b 100644
--- a/lib/puppet/type/cumulus_bond.rb
+++ b/lib/puppet/type/cumulus_bond.rb
@@ -69,7 +69,7 @@ def retrieve
   newparam(:allow_untagged) do
     desc 'A bridge port interface may allow untagged packets'
     munge do |value|
-      @resource.validate_no(value)
+      @resource.validate_value(value, false)
     end
   end
 
diff --git a/lib/puppet/type/cumulus_interface.rb b/lib/puppet/type/cumulus_interface.rb
index 270343f..b1ecbd0 100644
--- a/lib/puppet/type/cumulus_interface.rb
+++ b/lib/puppet/type/cumulus_interface.rb
@@ -81,7 +81,7 @@ def retrieve
   newparam(:allow_untagged) do
     desc 'A bridge port interface may allow untagged packets'
     munge do |value|
-      @resource.validate_no(value)
+      @resource.validate_value(value, false)
     end
   end
 
diff --git a/lib/puppet/type/cumulus_vxlan.rb b/lib/puppet/type/cumulus_vxlan.rb
index 15efd9c..7af606b 100644
--- a/lib/puppet/type/cumulus_vxlan.rb
+++ b/lib/puppet/type/cumulus_vxlan.rb
@@ -44,17 +44,17 @@ def retrieve
     end
   end
 
-  newparam(:arp_nd_suppress,) do
+  newparam(:arp_nd_suppress) do
     desc 'ARP ND suppression'
     munge do |value|
-      @resource.validate_on_off(value)
+      @resource.validate_value(value, 'on')
     end
   end
 
   newparam(:learning) do
     desc 'The bridge port learning flag'
     munge do |value|
-      @resource.validate_on_off(value)
+      @resource.validate_value(value, 'off')
     end
   end
 
diff --git a/metadata.json b/metadata.json
index a8cd4d9..cb9552a 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "c2devel-cumulus_interfaces",
-  "version": "1.2.6",
+  "version": "1.2.7",
   "author": "Cumulus Networks",
   "summary": "Configures Cumulus Linux interfaces",
   "license": "GPLv2",