D-Link xStack DGS-3120 Series Reference Guide

xStack® DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch Web UI Reference Guide
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SNTP Settings
Users can configure the time settings for the Switch.
To view this window, click Network Application > SNTP > SNTP Settings as shown below:
Figure 9-32 SNTP Settings window
The fields that can be configured are described below:
Parameter Description
SNTP State
Use this radio button to enable or disable SNTP.
Current Time
Displays the Current Time.
Time Source
Displays the time source for the system.
IPv4 SNTP Primary
Server
The IP address of the primary server from which the SNTP information will be taken.
IPv4 SNTP Secondary
Server
The IP address of the secondary server from which the SNTP information will be
taken.
IPv6 SNTP Primary
Server
The IPv6 address of the primary server from which the SNTP information will be
taken.
IPv6 SNTP Secondary
Server
The IPv6 address of the secondary server from which the SNTP information will be
taken.
SNTP Poll Interval In
Seconds (30-99999)
The interval, in seconds, between requests for updated SNTP information.
Click the Apply button to accept the changes made.
Time Zone Settings
Users can configure time zones and Daylight Savings Time settings for SNTP.
To view this window, click Network Application > SNTP > Time Zone Settings as shown below:

D-Link xStack DGS-3120 Series Specifications

General

MAC Address Table	16K entries
Ports	10/100/1000BASE-T ports
VLANs	4094
Jumbo Frame	Up to 9KB
Power Supply	Internal power supply (depending on model)
Power over Ethernet (PoE)	No
Layer 3 Features	RIP
Quality of Service (QoS)	8 queues per port, DiffServ
Security Features	ACLs
Management	Web-based, CLI, SNMP
Operating Temperature	0°C to 40°C
Storage Temperature	-40°C to 70°C
SFP Ports	Combo 10/100/1000BASE-T/SFP ports and/or dedicated SFP/SFP+ ports (depending on model)