hi all anyone knows if there are any tools to detect DOS attack on network other than turning on ip accounting at the routers because ip accounting utilises very much CPU resources on the router any inputs will be greatly appreciated regards suaveguru __________________________________________________ Do You Yahoo!? Make international calls for as low as $.04/minute with Yahoo! Messenger http://phonecard.yahoo.com/ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=16139&t=16139 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]