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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Figure 8-69 DHCP Offer Permit Entry Settings window
The fields that can be configured are described below:
Parameter Description
Server IP Address
The IP address of the DHCP server to be permitted.
Client’s MAC Address
The MAC address of the DHCP client.
Ports The port numbers of the filter DHCP server. Tick the All Ports check box to include
all the ports on this switch for this configuration.
Click the Apply button to accept the changes made.
Click the Delete button to remove the specific entry based on the information entered.
Filter DHCPv6 Server
This window is used to configure the filter DHCPv6 server state.
To view this window, click Security > DHCP Server Screening > Filter DHCPv6 Server as shown below:
Figure 8-70 Filter DHCPv6 Server window
The fields that can be configured are described below:
Parameter Description
Trap State
Click to enable or disable the filter DHCPv6 server trap state.
Log State
Click to enable or disable the filter DHCPv6 server log state.
Ports Enter a range of ports to be configured. Tick the All Ports check box to include all
the ports on this switch for this configuration.
State
Select to enable or disable the filter DHCPv6 server state.
Source IP Address
Enter the source IPv6 address to the filter DHCPv6 server forward list.
Click the Apply button to accept the changes made for each individual section.

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)