When executing the wireless.tcl we r encountering the following problem, invalid command name "Queue/DropTail/PriQueue" while executing "Queue/DropTail/PriQueue set Prefer_Routing_Protocols 1" (file "ns-2.1b5/tcl/ex/wireless.tcl" line 87) can any one tell us how to solve this one? regards smita (snarla@cse.unl.edu)