[ns] Problem with adding a new agent...

[samaneh rastegari]

Hi all,

Actually I am trying to add a new Agent and I did all steps according to ns-2 
manual but now when I am trying to access this Agent in my tcl script I come to 
this error:

invalid command name "Agent/UDP/dns_server"
     while executing
"Agent/UDP/dns_server create _o36 "
    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 Agent/UDP/dns_server"
    invoked from within
"set dns0 [new Agent/UDP/dns_server]"
    (file "test.tcl" line 38)

can you tell me what's wrong with my new agent?

Thanks,
Samaneh

       
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