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Mcastmonitor



I followed instruction on manual about mcast monitor with following
example

# Multicast simulator

 .. setting sources group .. etc as described at page 112of ns Notes and
Documentation.

set mcastmonitor [$ns McastMonitor]
$mcastmonitor set period_ 0.02
$mcastmonitor trace-topo $src $groupA

but the resukt is:

warning: using backward compatibility mode
can't read "prune_(_o34:1073741824:1:0)": no such element in array
    while executing
"incr prune $prune_($source:$group:$from:$to)..."
    ("foreach" body line 4)
    invoked from within
"foreach l $links_($source:$group) {
set from [[$l set fromNode_] id]
set to [[$l set toNode_] id]
incr prune $prune_($source:$group:$from:$to)
incr gr ..."
    (procedure "_o36" line 8)
    invoked from within
"$self print-trace $source $group"
    (procedure "_o36" line 8)
    invoked from within
"$mcastmonitor trace-topo $src $groupA"
    (file "ex2.ns" line 30)

Can anyone help me ????

Thank you!

--
---------------------------------------------------------
  Arioli Carlo                          Network systems

  Organization: Cefriel
  Phone:  +39-2-23954-243/260

  Mailto:[email protected]        http://www.cefriel.it
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