s:option(Flag, "halfduplex", translate("Half-duplex"))
-s:option(Value, "download", translate("Download speed (kbit/s)"))
+dl = s:option(Value, "download", translate("Download speed (kbit/s)"))
+dl.datatype = "and(uinteger,min(1))"
-s:option(Value, "upload", translate("Upload speed (kbit/s)"))
+ul = s:option(Value, "upload", translate("Upload speed (kbit/s)"))
+ul.datatype = "and(uinteger,min(1))"
s = m:section(TypedSection, "classify", translate("Classification Rules"))
s.template = "cbi/tblsection"