Hello Guys: I want u to kindly guide me why there is a limitation on the frame size of ethernet that it cant be less than 64 bytes and greater that 1518. Also why there is limitation on ATM cell size of 53 bytes. Regards John _____________________________________________________ Chat with your friends as soon as they come online. Get Rediff Bol at http://bol.rediff.com _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]