Support

Technical Specifications

Hardware

Device Ports

• 24 auto-sensing 10/100/1000BASE-T ports (front panel)
• 4 combo SFP (Mini GBIC) ports (front panel)
• 2 10Gbps stacking ports (rear panel)
• 1 RS-232 console port (front panel)

Unit Stacking

• Ring architecture: 12 units per stack
• Star architecture: 6 units per stack + 1 DGS-3324SRi Stacking Master

Port Standard/Function Support

• IEEE 802.3 10BASE-T/802.3u 100BASE-TX/802.3ab 1000BASE-T
• ANSI/IEEE 802.3 NWay auto-negotiation
• IEEE 802.3x Flow Control
• Auto MDI/MDIX
• Port mirroring

SFP (Mini GBIC) Support

• IEEE 802.3z 1000BASE-LX (DEM-310GT transceiver)
• IEEE 802.3z 1000BASE-SX (DEM-311GT transceiver)
• IEEE 802.3z 1000BASE-LH (DEM-314GT transceiver)
• IEEE 802.3z 1000BASE-ZX (DEM-315GT transceiver)

Diagnostic LEDs

Per device:

• Power On/Off
• Master
• Console (login/POST status)
• RPS in use/not in use

Per 10/100/1000BASE-T port:

• 1000Mbps speed, 10/100Mbps speed
• Link/Activity

Per SFP port:

• Link/Activity

Per stacking port:

• Link/No Link

7-Segment Display

• To display unit ID in the stack

Software

IP Routing

• IP v4 support
• IP Fragmentation support
• IP multi-netting
• Routing protocols supported:   
• Static routing   
• RIP-1, RIP-2   
• OSPF v.2

VLAN

• IEEE 802.1Q Tagged VLAN
• GARP/GVRP
• Asymmetric VLAN *
• Number of VLANs: 4K static VLANs (max.)
• Supports multiple IPs per VLAN *

^{* Feature available in next firmware upgrade}

Priority Queues (CoS)

• Standard: IEEE 802.1p
• Number of queues: 8

Traffic Classification (CoS)

Can be based on user-definable application types:

• TOS
• Diffserv (DSCP)
• Port-based
• MAC address
• IP address
• TCP/UDP port number

Network Access Security

• Port security features
• 802.1x user authentication   
• Port-based access control
• MAC-based access control *
• RADIUS client
• Multi-layer ACL based on:
• VLAN
• MAC address   
• IP address   Protocol type
• TCP/UDP port number
• 802.1p
• Diffserv (DSCP)
• Other authentication protocols supported:
• SSH2 *
• TACACS *
• TACACS+ *
• SSL *

^{* Features available in future firmware release}

Spanning Tree Protocol

• 802.1D Spanning Tree compatible
• 802.1w Rapid Spanning Tree *

^{* 802.1w available in next firmware release}

IP Multicast

• IGMP Snooping
• IGMP v.2
• DVMRP
• PIM Dense mode
• PIM Sparse mode *

^{* Function supported in future firmware upgrade}

MultiLink Trunking (MLT)

Enables grouping of links between the switch and another switch or a server to provide higher bandwidth of up to 8 Gigabit ports with active redundant links. A multi-link is defined as trunked ports spanning multiple units of the stack for fail-safe connectivity to mission-critical servers and the network center.

• Supports up to 32 trunking groups; up to 8 ports per group
• Operation mode: load sharing
• 802.3ad compatible Link Aggregation static mode
• 802.3ad compatible Link Aggregation (LACP) *

^{* Available in future firmware upgrade}

Performance

Switch Fabric

• 88Gbps (32Mpps)

Transmission Method

• Store-and-forward

MAC Address Table

• 16K entries per device

MAC Address Learning

• Dynamic entries: automatic update
• Static entries: user-defined

IP Address Learning

• Dynamic entries: automatic update
• Supports Delete of individual IP addresses by dynamic learning

Packet Filtering/Forwarding Rates (half duplex)

• 1,488,100 pps per port (max.)

RAM Buffer

• 2MB per device

Jumbo Frame

• Up to 9,216 bytes

Configuration & Management

Management Support

• SNMP v.1, v.2c, v.3 *
• Web-based management
• Web GUI traffic monitoring
• Web-based MAC address browsing
• CLI (command line interface)
• RMON monitoring
• Telnet server
• SYSLOG

^{* SNMP v.3 available in next firmware release}

MIBs

• MIB-II (RFC 1213)
• Bridge MIB (RFC 1493)
• RMON MIB (RFC 1757)
• 802.1p Priority Queues (RFC 2674)
• 802.1Q VLAN MIB (RFC 2674)
• IGMP MIB (RFC 2833)
• If MIB (RFC 2233)
• Ethernet-like MIB (RFC 1643)
• RIP MIB (RFC 1724)
• OSPF MIB (RFC 1850)
• CIDR MIB (RFC 2096)
• D-Link enterprise MIB

RMON Groups

• 1, 2, 3, 9 (Alarm, Statistics, History, Event)

IP Number Self-identification

• Through DHCP client, Bootp client

Firmware Upgrade

• TFTP

Console Port

• DB-9 RS-232 DCE

Physical & Environmental

Power Input

• 100 to 240 VAC, 50~60 Hz
• Internal power supply

Redundant Power Backup Support

• Connector to connect to external redundant power supply

Power Consumption

• 90 watts (max.)

Ventilation

• 40 x 40 X10 mm DC fans x 2
• 60 x 60 X18 mm DC fans x 1

Dimensions

• 441 x 207 x 44 mm
• 19-inch rack-mount width, 1 U height

Weight

• 3.15kg

Operating Temperature

• 0° to 40° C

Storage Temperature

• -25°  to 55° C

Humidity

• 5% to 95% non-condensing

Emission (EMI)

• FCC Class A
• CE Class A

Safety

• CSA International 

Ordering Information

Gigabit Stackable Layer 3 Switch

DGS-3324SR

• 24 10/100/1000BASE-T ports, 4 combo SFP (Mini GBIC) slots, redundant power support

Optional Gigabit Stacking Master Layer 3 Switch

DGS-3324SRi  

• 24 10/100/1000BASE-T ports, 8 combo SFP (Mini GBIC) slots, redundant power support

Optional SFP (Mini GBIC) Transceiver

DEM-310GT   

• SFP transceiver for 1000BASE-LX, single-mode fiber,  max. distance 10km, 3.3V

DEM-311GT   

• SFP transceiver for 1000BASE-SX, multi-mode fiber, max. distance 550m, 3.3V

DEM-314GT   

• SFP transceiver for 1000BASE-LHX, single-mode fiber, max. distance 35km, 3.3V

DEM-315GT   

• SFP transceiver for 1000BASE-ZX, single-mode fiber, max. distance 80km, 3.3V

Optional Redundant Power Supply

DPS-500  

• 140-watt redundant power supply

DPS-800  

• 2-slot redundant power supply chassis

DPS-900  

• 8-slot redundant power supply chassis