D-Link DGS-3420-28SC 28-Slot SFP xStack Layer 2+ Managed Stackable Gigabit Switch

The DGS-3420 Series of next generation Layer 2+ Gigabit switches delivers performance flexibility security multi-layer QoS and access control along with redundant power solutions for SMBs and enterprises. With high Gigabit port densities Gigabit SFP and 10-Gigabit SF + support and advanced software solutions these switches can act as either departmental access layer devices or aggregation switches to form a multilevel network structured with backbone and centralised high-speed servers. Service providers can take advantage of the high SFP density switches to structure the aggregation of Fibre to the Building (FTTB) networks that they extend to the subscriber\'s sites.

Specifications

CPU
Processor
Memory
Buffer Memory	2 MB
Flash Memory
Memory (Maximum)	( )
Memory Slot
Compatibility
Compatibility
Routing
Layer 2 Services	MAC Address Table: 16K � Flow Control: 802.3x Flow Control/HOL Blocking Prevention � Jumbo Frame up to 13K Bytes � IGMP snooping: IGMP v1/v2/v3 Snooping/Supports 960 groups/Port/Host-based/IGMP Snooping/Fast Leave � MLD Snooping: MLD v1/v2 Snooping/Supports 480 groups/Host-based MLD Snooping Fast Leave � Spanning Tree: 802.1D-2004 STP/802.1w RSTP/802.1Q-2005 MSTP/BPDU filtering/Root Restriction � Loopback Detection � 802.3ad Link Aggregation: Max. 32 groups per device/8 Gigabit ports or 2 10 Gigabit ports per group � Port Mirroring: Support 4 Mirroring Groups/Support One-to-One, Many-to-One, Flow-based, and RSPAN mirroring � L2 Protocol Tunneling � ERPS (Ethernet Ring Protection Switching)
Layer 3 Services	256 IP interfaces � Loopback interface � IPv6 Tunneling � Proxy ARP � Gratuitous ARP � 1K routing entries shared by IPv4/v6: Max. 1K IPv4 routes/Max. 512 IPv6 routes � 2K L3 forwarding entries shared by IPv4/v6: Max. 2K IPv4 entries/Max. 1K IPv6 entries � 256 static routing entries for IPv4, 128 entries for IPv6 � RIP v1/v2 � RIPng (IPv6)
Performance
Aggregate Device Bandwidth
Backplane
MAC Addresses	16,000
Mean Time Between Failure (MTBF)
Network Latency
Packet Forwarding Rate
Port Bandwidth	10/100/1000 Mbps
Stacking Bandwidth (Max)
Stacking Capabilities	12 Units Per Stack
Topology
Interfaces/Ports
Network Speeds Supported	10/100/1000 MBps
Full Duplex Capabilities
Power over Ethernet (PoE)	,
Power over Ethernet (PoE) Standards
Fixed Ports	28 port(s) x RJ-45 , 10/100/1000 Mbps , ( )
Uplink Ports	x , , ( )
Dual Personality Ports	x , , ( )
Network Slots	x , ( )
Module Slots (Available)
Optical Cable/Port Type
Console Ports	1 x RJ-45
Management Port	1 x 10/100 Ethernet Port
Storage System Support
Wireless
Wireless Type
RF Network Standard
Wireless Channels
Wireless Capacity
Wireless TrueReuse
Wireless Roaming
SSID
VLANs
Compliance
Standards Compliance	RFC1213 MIB-II � RFC1493 Bridge MIB � RFC1907 SNMPv2 MIB � RFC2571~2576 SNMP MIB � RFC1271, 2819 RMON MIB � RFC2021 RMON v2 MIB � RFC2665 Ether-like MIB � RFC2668 MAU MIB � RFC2674 802.1p MIB � RFC2233, 2863 IF MIB � RFC2618 RADIUS Authentication Client MIB � RFC1724 RIP v2 MIB � RFC2096 IP Forwarding Table MIB (CIDR) � RFC2620 RADIUS Accounting Client MIB � Ping MIB � Traceroute MIB � D-Link Private MIB � RFC768 UDP � RFC783 TFTP � RFC 791 IP � RFC 793 TCP � RFC 826 ARP � RFC854 Telnet � RFC951, 1542 BootP � RFC2068 HTTP � RFC3056, 5214 IPv6 Tunnel � RFC2138 RADIUS � RFC2139 RADIUS Accounting � RFC1492 TACACS � RFC3176 sFlow � RFC2598 DiffServ Expedited Forwarding
Emissions	FCC Class A � CE Class A � VCCI Class A � IC � C-Tick
Immunity
Safety	CB � cUL � LVD
System
Management Capabilities	Web-based GUI � Command Line Interface (CLI) � Telnet Server � Telnet Client � TFTP Client � ZModem � SNMP v1/v2c/v3 � SNMP Trap � System Log � RMON v1: Supports 1,2,3,9 Groups � RMON v2: Supports ProbeConfig Group sFlow � LLDP/LLDP-MED � BootP/DHCP Client � DHCP Auto-Configuration � DHCP Relay � DHCP Relay Option 60, 61 � DHCP Relay Option 82 � DHCP Server � Flash File System � Multiple Images � Multiple Configurations � CPU Monitoring � Debug Command � SNTP � ICMPv6 � DHCPv6 Client � DHCPv6 Relay � DHCPv6 Server � Trusted Host � MTU Setting � Microsoft NLB Support � UDP helper 4
Convergence/Prioritising
Certifications	IPv6 Ready Logo Phase 2
Ethernet Switching Features
Resiliency/Redundancy
Security	SSH v2 � SSL v1/v2/v3 � Port Security up to 64 MAC addresses per port � Broadcast/Multicast/Unicast Storm Control � Traffic Segmentation � IP-MAC-Port Binding: ARP Packet Inspection/IP Packet Inspection/DHCP Snooping/DHCPv6 and NDP Snooping/Supports up to 500 Address Binding Entries per device � D-Link Safeguard Engine � DHCP Server Screening � CPU Interface Filtering � ARP Spoofing Prevention � BPDU Attack Protection
Software Included
Protocols Supported
User Interface
System Requirements
Operating Systems Supported
System Requirements
Electrical
Voltage/Power/Frequency	100 to 240 VAC / / 50 to 60 Hz
Power Adaptor Type
Power Requirements
Redundant Power Supplies
Power Cord
Environmental
Heat Dissipation
Noise Level (full operating mode)
Environmental	Operating Temperature 0 to 50 �C - Humidity 10 to 90 %
Physical
Form Factor	Network Switch
Case Colour	Black
LED Status Indicators
In The Box
Mounting Type
Dimensions	44.1 cm (W) x 31.0 cm (D) x 4.4 cm (H) - Weight 4.06 kg
Identifiers
EC Commodity Code
Industry Standard Product Classification
Distributor Numbers

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