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

"PoE made it really easy to mount the cameras exactly where we need them. It’s much more practical. The image quality is excellent and digital storage works out great for us."
Lano Mann
IT Consultant Grand Canyon Skywalk, PC-Mann

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