The good news is i succesfully installed NS2 in my Ubuntu Linux OS. The bad news is :D i found an error when execute the command ns singlehop.tcl
[EMAIL PROTECTED] :/usr/local/ns2/projek$ ns singlehop.tcl num_nodes is set 3 invalid command name "Propagation/SimpleDistance" while executing "Propagation/SimpleDistance create _o24 " invoked from within "catch "$className create $o $args" msg" invoked from within "if [catch "$className create $o $args" msg] { if [string match "__FAILED_SHADOW_OBJECT_" $msg] { delete $o return "" } global errorInfo error "class $..." (procedure "new" line 3) invoked from within "new $propType_" (procedure "_o3" line 29) (Simulator node-config line 29) invoked from within "$ns_ node-config -mobileIP OFF \ -adhocRouting NOAH \ -llType LL \ -macType Mac/802_11 \ ..." (file "singlehop.tcl" line 22) what is actually happen? how i run the tcl and then get a result and make a graph to view? AZHAR MOHD ARIS Master Science Canditate (UPM) 0196137422 -- AZHAR MOHD ARIS