I found the reference to the NTP command which states the need to remove one of the commands when copying the config file (I still don't fully understand why):
===================================================== Caution The ntp clock-period command is automatically generated to reflect the constantly changing correction factor when the copy running-configuration startup-configuration command is entered to save the configuration to NVRAM. Do not attempt to manually use the ntp clock-period command. Ensure that you remove this command line when copying configuration files to other devices. ===================================================== If anyone know why do they suggest to remove this command, please explain. I thought the start-up config is only passively stored in the NVRAM and waiting to be copy to running-config. Tony Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=56811&t=56811 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]