How about Boson for starters ? .... hmmm ..... having said that ... that'll b probably all you need !
Semsim (www.semsim.com/) is not bad either, but I guess experience drives, and Boson will give u a good hand.
You could await a word from some of our colleagues, and its highly probable they'd second wat I said ....... all this assuming that you want it for CCNA ... if its 4 CCIE (Routing and Switching) I guess I'd hv to look ....
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