> @yang
The error »»- Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) ---«« is a generic error. Can happen for several reasons : Faulty simulation scripts. ( file.tcl, etc.) By using the wrong OS / the wrong architecture for an added protocol. A failed build of ns2 ( + some added protocol code ? ) So if you want a precise answer : Some more information, please ... → → http://www.catb.org/%7Eesr/faqs/smart-questions.html - -- View this message in context: http://network-simulator-ns-2.7690.n7.nabble.com/Classfier-no-slot-default-handler-tcl-lib-ns-lib-tcl-help-me-tp30095p30104.html Sent from the ns-users mailing list archive at Nabble.com.