Draytek’s Vigor 2820N has been a best-seller amongst small businesses for some time and is an award-winning router. Cost-effective (it lacks the built in VoIP features of the 2820VN & we prefer this router for working with our VoIP service) it nevertheless has a comprehensive specification, including 802.11n wireless with MIMO, firewall and VPN support.
Specifications:
Physical Interfaces:
•LAN Ports (Switch)
◦1 X Gigabit Ethernet (1000Mb/s) Ports
◦3 X Megabit (100Mb/s) Ports
◦Port-Based VLAN (Inclusive/Exclusive Groups)
•WAN Ports:
◦ADSL Port Compliant with:
■ANSI T1.413 Issue2
■ITU-T G.992.1 G.dmt (ADSL)
■ITU-T G.992.2 G.lite
■ITU-T G.992.3 ADSL2
■ITU-T G.992.5 ADSL2+
■Annex L (READSL)
■Annex M
◦Secondary WAN Port : 10/100 Base-TX Ethernet for load balance and WAN failover
◦USB Port for 3G Cellular Modem*
Load Balance/Failover Features:
•Outbound Policy-Based Load-Balance
•WAN Connection Fail-over
•BoD (Bandwidth on Demand)
Vigor 2820 ATM Protocols (DSL):
•RFC-2684/RFC-1483 Multiple Protocol over AAL5
•RFC-2516 PPP over Ethernet
•RFC-2364 PPP over AAL5
•PPPoE pass through LAN/WLAN
•PPPoE/PPPoA Relay
•Transparent bridge for MPoA
•Multiple PVC support for Triple Play Applications (up to 8 simultaneous)
Wireless LAN Features:
•802.11n Compliant
•Latest ‘MIMO’ Technology with three aerials (2T3R)
•Packet Aggregation and Channel Bonding
•Optional Higher Gain or directional aerials available – Click Here.
•Compatible with 802.11b and 802.11g Standards
•Active Client list in Web Interface
•Wireless LAN Isolation (from VLAN groups and wired Ethernet interfaces)
•64/128-bit WEP Encryption
•WPA/WPA2 Encryption
•Switchable Hidden SSID
•Restricted access list for clients (by MAC address)
•Time Scheduling (WLAN can be disabled at certain times of day)
•Access Point Discovery
•WDS (Wireless Distribution system) for WLAN Bridging and Repeating (see here)
•802.1x Radius Authentication
•Wireless Rate-Control
•Automatic Power Management
•802.11e WMM (Wi-Fi Multimedia)
WAN Protocols (Ethernet):
•DHCP Client
•Static IP
•PPPoE
•PPTP
•L2TP *
•BPA
Firewall & Security Features:
•CSM (Content Security Management):
◦URL Keyword Filtering – Whitelist or Blacklist specific sites or keywords in URLs
◦Prevent accessing of web sites by using their direct IP address (thus URLs only)
◦Blocking automatic download of Java applets and ActiveX controls
◦Blocking of web site cookies
◦Block http downloads of file types :
■Binary Executable : .EXE / .COM / .BAT / .SCR / .PIF
■Compressed : .ZIP / .SIT / .ARC / .CAB/. ARJ / .RAR
■Multimedia : .MOV / .MP3 / .MPEG / .MPG / .WMV / .WAV / .RAM / .RA / .RM / .AVI / .AU
◦Time Schedules for enabling/disabling the restrictions
◦Block P2P (Peer-to-Peer) file sharing programs (e.g. Kazza, WinMX etc. )
◦Block Instant Messaging programs (e.g. IRC, MSN/Yahoo Messenger etc.)
•Multi-NAT, DMZ Host
•Port Redirection and Open Port Configuration
•Policy-Based Firewall
•MAC Address Filter
•SPI ( Stateful Packet Inspection ) with new FlowTrack Mechanism
•DoS / DDoS Protection
•IP Address Anti-spoofing
•E-Mail Alert and Logging via Syslog
•Bind IP to MAC Address
Bandwidth Management:
•QoS
•Guaranteed Bandwidth for VoIP
•Class-based Bandwidth Guarantee by User-Defined Traffic Categories
•DiffServ Code Point Classifying
•4-level Priority for each Direction (Inbound / Outbound)
•Bandwidth Borrowed
•Temporary (5 minute) Quick Blocking of any LAN Client
•Bandwidth / Session Limitation
Network/Router Management:
•Web-Based User Interface (HTTP / HTTPS)
•CLI ( Command Line Interface ) / Telnet / SSH*
•Administration Access Control
•Configuration Backup / Restore
•Built-in Diagnostic Function
•Firmware Upgrade via TFTP / FTP
•Logging via Syslog
•SNMP Management with MIB-II
•TR-069
•TR-104
VPN Facilities:
•Up to 32 Concurrent VPN Tunnels (incoming or outgoing)
•Tunnelling Protocols: PPTP, IPSec, L2TP, L2TP over IPSec
•IPSec Main and Agressive modes
•Encryption : MPPE and Hardware-Based AES / DES / 3DES
•Authentication : Hardware-Based MD5 and SHA-1
•IKE Authentication : Pre-shared Key and X.509 Digital Signature
•LAN-to-LAN & Teleworker-to-LAN connectivity
•DHCP over IPSec
•NAT-Traversal ( NAT-T )
•Dead Peer Detection (DPD)
•VPN Pass-Through
Network Features:
•DHCP Client / Relay / Server
•Dynamic DNS
•NTP Client (Syncrhonise Router Time)
•Call Scheduling (Enable/Trigger Internet Access by Time)
•RADIUS Client
•DNS Cache / Proxy
•Microsoft™ UPnP Support
Routing Protocols:
•Static Routing
•RIP V2
Operating Requirements:
•Rack Mountable (Optional Vigor 2820 mounting bracket required)
•Wall Mountable
•Temperature Operating : 0°C ~ 45°C
•Storage : -25°C ~ 70°C
•Humidity 10% ~ 90% ( non-condensing )
•Power Consumption: 18 Watt Max.
•Dimensions: L240.96 * W165.07 * H43.96 ( mm )
•Operating Power: DC 15V (via external PSU, supplied)
•Warranty : Two (2) Years RTB
•Power Requirements : 220-240VAC
* 3G support by FREE firmware release, available here
