D-Link DES-3250TG User Manual page 124

DES-3250TG Layer 2 Fast Ethernet Switch User's Guide
Figure 6- 30. Current Time window
To use SNTP, toggle the SNTP State in the Current Time: SNTP
Settings section to Enabled and enter the IP address of the
relay the SNTP Primary Server and/or the SNTP Secondary
Server. Enter an SNTP polling interval in the bottom field. The
default setting of 720 seconds is usually fine for most network
configurations; a greater polling frequency will draw more
network resources. Click Apply to let your changes take effect.
To complete SNTP configuration, fill in the desired values in the
Current Time: Set Current Time section and then click Apply.
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