Index: /luci/trunk/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua
===================================================================
--- /luci/trunk/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua	(revision 6690)
+++ /luci/trunk/modules/admin-full/luasrc/model/cbi/admin_network/ifaces.lua	(revision 6755)
@@ -241,5 +241,5 @@
 srv:depends("proto", "pptp")
 srv.optional = false
-srv.datatype = "ip4addr"
+srv.datatype = "host"
 
 if has_6in4 then