Hi when I upgrade from Ver11.2 IOS to ver12.09 Ent. IOS, then I reload it. There is memory requirement statement occur. Is there any memory requirement for 4500 of IOS 12.09 ? Looking for answer! Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=10612&t=10612 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]