When an NTP client is configured with an NTP server, the Reference Clock of the NTP server is passed to the client. Specify the NTP server with the NTP server command. Specify the time zone with the clock timezone command. Manually configure the date and time with the clock set command. In order to synchronize the time of Cisco ACS with an NTP server, complete these steps:
Note: Use the Command Lookup Tool ( registered customers only) to obtain more information on the commands used in this section. In this section, you are presented with the information to configure the features described in this document. Refer to the Cisco Technical Tips Conventions for more information on document conventions. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. The information in this document is based on these software and hardware versions: There are no specific requirements for this document. ACS 5.x is allowed to configure up to two NTP servers. This document provides a sample configuration for the Cisco ACS to synchronize its clock with NTP server. The main objective to use this protocol is to avoid the effects of variable latency over the data networks. Network Time Protocol (NTP) is a protocol used in order to synchronize the clocks of different network entities.
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