Configuring System Time; Selecting Source Of System Time - Cisco 500 Series Administration Manual

7

Configuring System Time

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CAUTION
STEP 1
STEP 2
125

Selecting Source of System Time

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
NOTE
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.
Cisco 500 Series Stackable Managed Switch Administration Guide
Administration: Time Settings
Configuring System Time