Hi Sundayfat, Nice name!!! :) Cisco Forum has given us the flexibility where we can shear our problems & ideas. For that there are so many deferent flavors. So please put a more bit of concentrate before to post your query/suggestion at the right place. For your post you can visit the bellow:
http://www.cisco.com/web/learning/le3/current_exams/642-444.html
Best of Luck, Goutam
YOU HAVE POST THE SAME AT WAN, Routing and Switching ALSO!!!
