diff --git a/alterator-net-functions/alterator-net-functions b/alterator-net-functions/alterator-net-functions
index cc5ec0f..d3607b9 100644
--- a/alterator-net-functions/alterator-net-functions
+++ b/alterator-net-functions/alterator-net-functions
@@ -624,6 +624,13 @@ list_bond()
 	list_etcnet_iface_filtered "$dir" __filter_iface_type "bond"
 }
 
+list_vlan()
+{
+	local dir="${1:-$etcnet_iface_dir}"
+
+	list_etcnet_iface_filtered "$dir" __filter_iface_type "vlan"
+}
+
 list_eth()
 {
     netdev_list|
@@ -814,6 +821,16 @@ list_bond_with_cache()
 	} | sort -u | __filter_out_removed_ifaces "$cachedir"
 }
 
+list_vlan_with_cache()
+{
+	local cachedir="$1"; shift
+
+	{
+		[ -d "$cachedir" ] && list_vlan "$cachedir"
+		list_vlan "$etcnet_iface_dir"
+	} | sort -uV | __filter_out_removed_ifaces "$cachedir"
+}
+
 # list_static_iface [ ip_version ]
 list_static_iface_with_cache()
 {