DrayTek Vigor 2820 ADSL2/2+ Dual WAN Security router: 3 LAN 10/100TX,VPN (IPSEC),Firewall,QoS

Technical Specifications of Vigor2820

Hardware Interface ADSL: 1-port ADSL2+, RJ-11 connector ( for AnnexA )

LAN: 3-port 10/100 Base-Tx and 1 port 1000 Base-TX Switch, RJ-45 connectors

WAN: 1 port 10/100 Base-Tx, RJ-45 connector

USB: 1-port USB Host 2.0 ( USB Printer / 3G USB Modem)

Dual WAN Outbound Policy-based Load-balance

Bandwidth On Demand

WAN Connection Fail-over

ADSL Compliant ( DSL ) ANSI T1.413 Issue2

ITU-T G.992.1 G.dmt

ITU-T G.992.2 G.lite

ITU-T G.992.3 ADSL2 G.dmt.bis

ITU-T G.992.5 ADSL2+

Annex L ( READSL )

Annex M *

ATM Protocol RFC-2684 / RFC-1483 Multiple Protocol over AAL5

RFC-2516 PPP over Ethernet

RFC-2364 PPP over AAL5

PPPoE Pass Through LAN

PPPoE / PPPoA Relay

Transparent Bridge for MPoA

VPN Up to 32 VPN Tunnels

Protocol : PPTP, IPSec, L2TP, L2TP over IPSec

Encryption : MPPE and Hardware-based AES / DES / 3DES

Authentication : Hardware-based MD5, SHA-1

IKE Authentication : Pare-shared Key and Digital Signature ( X.509 )

LAN-to-LAN, Teleworker-to-LAN

DHCP over IPSec


Dead Peer Detection

VPN Pass-through

Firewall Policy-based Firewall

Content Security Management for IM / P2P Application and URL / Web Content Filter

Multi-NAT / DMZ Host / Port-redirection / Open Port

Stateful Packet Inspection ( Flow Track )

DoS / DDoS Prevention

IP address Anti-spoofing

E-Mail Alert and Logging via Syslog

IP and MAC Binding

Bandwidth Management QoS Class-based Bandwidth Guarantee by User-Defined Traffic Categories

DiffServ Code Point Classifying

4-level Priority for Each Direction ( Inbound / Outbound )

Bandwidth Borrowed

Bandwidth / Session Limitation

WAN Protocol ( WAN2 ) DHCP Client

Static IP





Network Feature DNS Cache / Proxy

DHCP Client / Relay / Server

IGMP Proxy

Dynamic DNS

NTP Client

Call Scheduling



Routing Protocol Static Routing


Network Management Web-based User Interface ( HTTP / HTTPS )

Quick Start Wizard

CLI ( Command Line Interface , Telnet / SSH )

Administration Access Control

Configuration Backup / Restore

Built-in Diagnostic Function

Firmware Upgrade via TFTP / FTP / HTTP / TR-069

Logging via Syslog

SNMP Management MIB-II



Temperature Operating : 0°C ~ 45°C

Storage : -25°C ~ 70°C

Humidity 10% ~ 90% ( non-condensing )

Max. Power 10 Watt

Dimension L241 * W165 * H44 ( mm )

Power DC 12V ~ 15V