Cisco Systems SG50028PK9NA Manual De Usuario

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Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 
72
 
Administration: Time Settings
Synchronized system clocks provide a frame of reference between all devices on 
the network. Network time synchronization is critical because every aspect of 
managing, securing, planning, and debugging a network involves determining 
when events occur. Without synchronized clocks, accurately correlating log files 
between devices when tracking security breaches or network usage is 
impossible.
Synchronized time also reduces confusion in shared file systems, as it is important 
for the modification times to be consistent, regardless of the machine on which the 
file systems reside. 
For these reasons, it is important that the time configured on all of the devices on 
the network is accurate.
NOTE
The device supports Simple Network Time Protocol (SNTP) and when enabled, the 
device dynamically synchronizes the device time with time from an SNTP server. 
The device operates only as an SNTP client, and cannot provide time services to 
other devices. 
This section describes the options for configuring the system time, time zone, and 
Daylight Savings Time (DST). It covers the following topics: