Cisco Cisco SF302-08PP 8-port 10 100 PoE+ Managed Switch Manual De Mantenimiento

Configuring System Time

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Cisco 300 Series Managed Switches Administration Guide

Use the System Time page to select the system time source. If the source is 
manual, you can enter the time here. 

If the system time is set manually and the device is rebooted, the manual time 
settings must be reentered.

To define system time:

Click Administration > Time Settings > System Time.

The following fields are displayed:

•

Actual Time (Static)—System time on the device. This shows the DHCP 
time zone or the acronym for the user-defined time zone if these were 
defined.

•

Last Synchronized Server—Address, stratum and type of the SNTP server 
from which system time was last taken.

Enter the following parameters:

Clock Source Settings—Select the source used to set the system clock. 

•

Main Clock Source (SNTP Servers)—If this is enabled, the system time is 
obtained from an SNTP server. To use this feature, you must also configure a 
connection to an SNTP server in the SNTP Interface Settings page. 
Optionally, enforce authentication of the SNTP sessions by using the SNTP 
Authentication page.

•

Alternate Clock Source (PC via active HTTP/HTTPS sessions)—Select to 
set the date and time from the configuring computer using the HTTP 
protocol.

The Clock Source Setting needs to be set to either of the above in 

order for RIP MD5 authentication to work. This also helps features that 
associate with time, for example: Time Based ACL, Port, 802.1 port 
authentication that are supported on some devices.