any body can help me ? I have implemented CAR at Cisco 7500 with IOS 12 , but i confuse about how to count normal burst, extended burst and the fuctions both of them. Thank's Rudhy CCNA _____________________________________________________________________________________ Get more from the Web. FREE MSN Explorer download : http://explorer.msn.com _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]