s = m:section(NamedSection, arg[1], "interface")
s.addremove = true
+back = s:option(DummyValue, translate("overview"))
+back.value = ""
+back.titleref = luci.dispatcher.build_url("admin", "network", "network")
+
p = s:option(ListValue, "proto", translate("protocol"))
p:value("static", translate("static"))
p:value("dhcp", "DHCP")