Draytek Vigor 2850Vn ADSL2+ & VDSL Router

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The Draytek Vigor 2850n is a variant of the Vigor 2830 series with the addition of a built-in interface which supports both ADSL/ADSL2+ and also VDSL lines for connectivity up to 50Mb/s. This latest series includes support for professional features such as VLAN tagging, Gigabit Ethernet and WiFi (ess models). The Vigor 2850n's secondary WAN interface can be connected to other modems now or later (e.g. a second ADSL or cable modem etc.). It also includes a USB port for 3G backup.

Features

• VDSL/ADSL, 3G and Broadband Router
• Switchable Dual-Band WiFi (2.4 or 5.8Ghz))
• Twin VoIP ports with PSTN passthrough
• DSL Port is compatible with ADSL and VDSL
• Triple-WAN ports for VDSL/ADSL, cable modem and 3G
• V3 Firewall with huge flexibility
• Four-Port Gigabit Ethernet LAN Switch
• Wireless Guest Portal
• Multiple Private LAN Subnets
• User Password Access Control
• Up to 50,000 simultaneous NAT sessions
• Up to 4 VLANs (Port or IP based)
• VLAN Prioritisation & 802.1q
• IGMP v3 MultiCast
• Content Filtering (by matched keyword or data type)
• Globalview Web Filtering (Subject to subscription)
• Ethernet and WiFi VLANs (common/distinct groups)
• QoS (Layer 2&3, 802.1p & TOS/DCSP)
• SSH and HTTPS/AES Access to WUI
• VPN Dial-in/dial-out with hardware co-processor
• USB Port for Printer, Logs or 3G Modem
• VoIP Features
  • Two 'FXS' Phone Ports
  • Line Port for connection to analogue (POTS) line
  • Automatic phone switch-over for incoming calls on either PSTN or VoIP
  • Hotline Facility (Dial preset number when handset lifted)
  • Digit-Map facility for LCR selection
  • Protocols: SIP, RTP / RTCP
  • 12 SIP Registrar Accounts (for up to 12 VoIP providers/Trunks)
  • Compatible as remote extensions on DrayTek IP PBXs
  • G.168 Line Echo-cancellation
  • Automatic Gain Control
  • Jitter Buffer ( 125ms )
  • Voice Codecs:
    • G.711 A / µ Law
    • G.723.1
    • G.726
    • G.729 A / B
  • VAD / CNG
  • Tone Generation: DTMF , Dial , Busy , Ring Back , Call Progress
  • DTMF Transmission: In Band / Out Band ( RFC-2833 ) / SIP info
  • FAX / Modem Support G.711 Pass-through
  • T.38 for FAX
  • Supplemental Services (Dependent on ITSP):
    • Caller ID
    • Call Hold / Retrieve
    • Call Waiting
    • Call Waiting with Caller ID
    • Call Transfer
    • Call Forwarding ( Always , On Busy and On No Answer )
    • DND (Do not Disturb)
    • Call Barring ( Incoming / Outgoing )
    • MWI ( Message Waiting Indicator ) ( RFC-3842 )

Robust & Comprehensive Firewall: Security is always taken seriously with DrayTek routers. The firewall protects against attacks including DoS (Denial of Service) attacks, IP-based attacks and access by unauthorised remote systems. Wireless, Ethernet and VPN are also protected by various protection systems. The latest ('Version 3') DrayTek object-based firewall allows even more setup flexibility than ever, enabling you to create combinations of users, rules and restrictions to suit multi-departmental organisations. The Vigor 2850n now also allows selective direction firewall rules of LAN to WAN, WAN to LAN or LAN to VPN. In addition, QoS (Quality of Service Assurance) can now be selectively applied to specific users.

Web Content Filtering: The Content control features of the Vigor 2850n allow you to set restrictions on web site access, blocking download of certain file or data types, blocking specific web sites with whitelists or blacklists, blocking IM/P2P applications or other potentially harmful or wasteful content. Restrictions can be per user, per PC or univeral. Using DrayTek's GlobalView service, you can block whole categories of web sites (e.g. gambling, adult sites etc.), subject to an annual subscription to the Globalview service, which is continuously updated with new or changed site categorisations or sites which have become compromised (such as infected with Malware). A free 30-day trial is included with your new router.

Triple-WAN Load Balancing & Backup: As well as the primary ADSL (WAN) interface, the Vigor 2850n features two other WAN connections. WAN2 is Ethernet (Gigabit, switchable with LAN4) and WAN3 is a USB port for connection of a 3G modem. WAN2 (Ethernet) can connect to a second ADSL modem (e.g. Vigor 120), a cable modem or any other Ethernet-based Internet feed. The multiple WAN interfaces can be used either for WAN-Backup or load balancing.

WAN-Backup provides contingency (redunancy) in case of your primary ADSL line or ISP suffering temporary outage). Internet Traffic will be temporarily routed via the secondary Internet access. When normal services is restored to your primary ADSL line, all traffic is switch back to that.

If you don't have VDSL/ADSL, the Ethernet WAN port can instead be used as your primary/only Internet connection (using NAT) so the same router can be used for either ADSL or Ethernet Internet connections.

The USB port provides Internet connectivity (main, backup or load balanced) by connecting to a compatible USB modem (or cellphone) for access to the high speed 3G cellular networks from UK providers such as Vodafone, T-Mobile, Orange, 3 and T-Mobile. If you don't have ADSL at all, the USB/3G access method can be used as your primary/only Internet connection, ideal for temporary locations, mobile applications or where broadband access is not available. In addition you can instead connect a compatible analogue modem to use analogue dial-up connections for failover in the event of your broadband failing. See seaprates page for more details on both 3G and analogue dial-up.

Reliable and High-Performance WiFi: The Vigor 2850 Series 'n' models feature 802.11n wireless LAN specification and has been certified by the WiFi alliance for cross compatibility and WiFi compliance (including WPA/WPA2 and WMM). The Vigor2850n and Vn models includes a hardware co-processor for WiFi which can provide an increase of up to 40Mb/s for WiFi connections compared to our other models.

802.11n provides a total wireless bandwidth of up to 300Mb/s using new methods such as packet aggregation and channel bonding. Throughput depends on your own environment (factors such as obstructions, number of hosts and distance all make a significant difference), but actual transfer speeds of over 100Mb/s are achievable (based on our real world tests). In addition, 802.11n provides greater coverage and resilience to interference compared to previous wireless standards thanks to the MIMO technology and the Vigor's triple-antennae diversity arrangement. This offset arrangement of aerials provides offset paths between hosts so that interference can be overcome.

Selectable Dual-Band: The Vigor 2850n and 2850Vn includes Dual-Band technology. Most commonly, WiFi operates in the "2.4Ghz" band but with the number of people using Wifi these days, all sharing the same channels as well as DECT and Bluetooth also using the same band, congestion is a real problem. Everyone has to share the same bandwidth, and 802.11n uses three times as much as previous technologies. The Vigor2850n and Vn models can be switched to use the 5.8Ghz band instead which is far less congested. If your laptop of wireless device does not support the 5.8Ghz band, you will need a add a USB 'dongle', also available from DrayTek.

Wireless Security: The Vigor 2850 Series provides several independent levels of security including encryption (up to WPA2), authentication (802.11x) and methods such as MAC address locking and DHCP fixing to restrict access to authorised users only. The Web interface lets you see how many and which clients are currently connected as well as their current bandwidth usage. An 'instant' block lets you disconnect a wireless user temporarily in case of query. The Wireless VLAN facility allows you to isolate wireless clients from each other or from the 'wired' LAN.

The Vigor2850 wireless versions also allow guest access with password protection so that visitors can use your WiFi access, but only with a password which you set for them. When the user connects to your wireless LAN, they are firstly presented with your login screen before any Internet access is permitted. This is in addition to any encryption system you have running.

The Multiple SSID features enables you to have up to four distinct or common virtual wireless access points. For example, you could have one for company usage, with access to your company LAN and another for public access which allows internet surfing only. Setting up wireless security is made easier thanks to the WPS feature (WiFi protected setup) whereby your client PC can get it's security keys by pressing a button on the front of the router.

Voice-over-IP Features: The Vigor 2850Vn provides two analogue phone ports and an analogue line port provide full PSTN and VoIP integration on the same phones, via both the Internet and your regular analogue line. The two phones can be used independently and simultaneously for both incoming and outgoing calls.

As well as the two telephone ports, a third port, the Analogue Line port, connects into your regular analogue line (PSTN/POTS*). This then gives the telephones access to your analogue line to allow you to make calls as well as your VoIP facility (you can select the PSTN line instead of VoIP by dialling #0). Incoming calls are automatically switched through to your telephone(s) (either one or both) so that each phone can be used for both VoIP and POTS calls. Both telephones plugged into your router have access to VoIP and your analogue line. In addition, using the 'Digit-Map' facility you can set rules about particular call destinations using either the POTS line or your SIP/VoIP service. For example, local calls can be routed via your PSTN line (if you have a free calls package for example) whereas international calls can go via your preferred VoIP provider; there is flexibility to have several digit-map rules.

As well as connecting with a SIP/VoIP gateway directly (such as DrayTEL), the vigor2850Vn can register its phones as extensions on a remote IP PBX, such as DrayTek's Vigor IPPBX products, so this is an idea teleworker solution.

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