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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Chapter 11 Monitoring
Utilization
Statistics
Mirror
sFlow (RI and EI Mode Only)
Ping Test
Trace Route
Peripheral
Utilization
CPU Utilization
Users can display the percentage of the CPU being used, expressed as an integer percentage and calculated as a
simple average by time interval.
To view this window, click Monitoring > Utilization > CPU Utilization as shown below:
Figure 11-1 CPU Utilization window
The fields that can be configured are described below:
Parameter Description
Time Interval Select the desired setting between 1s and 60s, where "s" stands for seconds. The
default value is one second.
Record Number Select number of times the Switch will be polled between 20 and 200. The default
value is 200.
Show/Hide
Check whether or not to display Five Seconds, One Minute, and Five Minutes.
Click the Apply button to accept the changes made.
DRAM & Flash Utilization
This window is used to view information regarding the DRAM and Flash utilization.

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)