[ns] who used gt-itm?

[fanrui <jbyfr@263.net>]

I want  to use gt-itm to generate random topo. But when I exec the
command
itm r10 (r10 is the file given by the ns)
it failed with error
segmentation fault (core dumped)
Who use gt-itm successfully?

I use b6 in linux red hat 6.1