28-Port xStack Layer 2+ Managed Stackable Gigabit Switch

DGS-3420-28TC

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Description

The xStack DGS-3420 series Layer 2+ Gigabit switches delivers greater value, performance, flexibility and security for SMBs and Enterprises.

The xStack DGS-3420 series of next generation Layer 2+ Gigabit switches delivers performance, flexibility, security, multi-layer QoS, and accessibility along with redundant power solutions for SMBs and enterprises.

With high Gigabit port densities, Gigabit SFP, 10-Gigabit SFP+ support and advanced software solutions, these switches can act as either departmental access layer switches or aggregation switches to form a multilevel network backbone with centralized high-speed servers.

Stackability

  • Virtual Stacking Support
    • D-Link Single IP Management
    • Up to 32 devices per virtual stack
    • Up to 20G stacking bandwidth
  • Physical Stacking
    • Supports Duplex Chain/Ring topology
    • Up to 40G stacking bandwidth
    • Up to 12 units per stack

 L2 Features

  • 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)

 VLAN

  • VLAN Group
    • Max. 4K Static VLAN Groups
    • Max. 255 Dynamic VLAN Groups
  • 802.1Q Tagged VLAN
  • 802.1v Protocol VLAN
  • GVRP
  • Double VLAN (Q-in-Q)
    • Port-based Q-in-Q
    • Selective Q-in-Q2
  • MAC-based VLAN
  • VLAN Trunking
  • 802.1Qbb2

 L3 Features

  • 256 IP interfaces
  • Loopback interface
  • IPv6 Tunneling
  • Proxy ARP
  • Gratuitous ARP

L3 Routing

  • 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)

QoS (Quality of Service)

  • 802.1p Class of Service (CoS)
  • 8 queues per port
  • Queue Handling
    • Strict
    • Weighted Round Robin (WRR)
    • Strict + WRR
  • CoS based on
    • Switch Port
    • VLAN ID
    • 802.1p Priority Queues
    • MAC Address
    • IPv4/v6 Address
    • DSCP
    • Protocol Type
    • IPv6 Traffic Class
    • IPv6 Flow Label
    • TCP/UDP Port
    • User-defined Packet Content
  • Supports following actions for flows:
    • Remark 802.1p Priority Tag
    • Remark TOS/DSCP Tag
    • Bandwidth Control
    • Flow Statistics
    • Committed Information Rate (CIR), min. granularity 1 Kbps.
  • Bandwidth Control
    • Port-based (Ingress/Egress, min. granularity 64 Kbps)
    • Flow-based (Ingress, min. granularity 64 Kbps)
  • Time-based QoS

 ACL (Access Control List)

  • Ingress ACL: support up to 6 profiles and 256 rules per profile
  • Egress ACL: support up to 4 profiles and 128 rules per profile
  • ACL based on
    • 802.1p Priority
    • VLAN ID
    • MAC Address
    • Ether Type
    • IPv4/v6 Address
    • DSCP
    • Protocol Type
    • TCP/UDP Port Number
    • IPv6 Traffic Class
    • IPv6 Flow Label
    • User-defined Packet Content
  • ACL Statistics
  • Time-based ACL
  • CPU interface filtering

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

AAA

  • 802.1x
    • Port-based Access Control
    • Host-based Access Control
    • Dynamic VLAN Assignment
  • Web-based Access Control (WAC)
    • Port-based Access Control
    • Host-based Access Control
    • Dynamic VLAN Assignment
  • MAC-based Access Control (MAC)
    • Port-based Access Control
    • Host-based Access Control
    • Dynamic VLAN Assignment
  • Japan Web-based Access Control (JWAC)
    • Host-based Access Control
  • Microsoft® NAP
    • Supports 802.1x NAP
    • Supports DHCP NAP
  • Guest VLAN
  • RADIUS and TACACS+ authentication for switch access
  • 4-Level user account

Management

  • 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

OAM

  • 802.3ah Ethernet Link OAM
  • 802.3ah D-Link Extension: D-Link Unidirectional Link Detection (DULD)
  • IEEE1588 Precision Time Protocol (PTP)
  • Cable Diagnostics 3
  • 802.1ag Connectivity Fault Management (CFM)
  • ITU-T Y.1731

Green

  • Power saving by Link Status
  • Power saving by Cable Length
  • Time-based PoE

MIB/IETF Standards

  • 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

 

2 Implemented in future firmware upgrade

Datasheets
Description Type File Size
Download PDF 2.26mb

Business Benefits

"We’re on the air and on the Internet because of D-Link switches. We’re very comfortable with the hardware, it’s been flawless."
Steven Bothwick
Director of Information Management Systems New Hampshire Public Radio

How to get the
DGS-3420-28TC

Hardware revisions
Downloads can vary across product revisions.

Contact Details

D-Link Canada
2525 Meadowvale Blvd.
Mississauga
Ontario
L5N 5S2
Canada

Call
General: 800.354.6522
Fax: 905-828-5669

Email
General: webmaster@dlink.com
Sales: sales@dlink.ca
Support: support@dlink.ca