Vigor 2820Vn

ADSL2/2+ a Ethernet router (Dual-WAN) s WLAN Draft-n a VoIP poskytuje dvě vzájemně nezávislé WAN rozhraní a umožňuje sdílený přístup k internetu rychlostí až 24Mb/s. Je určen pro náročné aplikace středních podniků a kanceláří. Zařízení podporuje také množství dalších funkcí nutných pro zvýšení bezpečnosti, vzdálený přístup, multimediální podporu a vytváření virtuálních privátních sítí (VPN) přes internet v jednom kompaktním zařízení včetně bezdrátového WLAN AP, volání VoIP a možnosti připojení tiskárny.

Dual WAN (ADSL2+ a Ethernet) Firewall router s WI-FI a VoIP

  • Firewall router Vigor 2820Vn poskytuje dvě vzájemně nezávislé WAN rozhraní (ADSL a ethernet) s možnosti řízení průtoku a vzájemné náhrady
  • Rozhraní WAN1 je vestavěný modem ADSL2+ , který umožňuje sdílený přístup k internetu rychlostí až 24Mb/s, s kvalitou služby QoS a je určen i pro náročné aplikace středních podniků a kanceláří
  • Rozhraní WAN2 je typu Ethernet 100Mb/s se standardní množinou protokolů.
  • Firewall router podporuje také množství dalších funkcí nutných pro zvýšení bezpečnosti, vzdálený přístup, multimediální podporu a vytváření virtuálních privátních sítí ( VPN ) přes internet, WLAN AP, volání VoIP vč. šifrovaných hovorů ( SRTP / ZRTP )
  • Možnost připojit tiskárnu, 3G modem přes USB 2.0 port.

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Router splňuje v plném rozsahu směrnice Evropského parlamentu a rady 2002/95/EC tzv. RoHS platné od 1.6.2006

Zajímavé odkazy:


1. Dual-WAN
2. ADSL Compliant ( DSL )
3. ATM Protocols ( DSL )
4. VoIP ( Voice over IP )
5. Wireless Access Point
6. VPN
7. Firewall
8. Bandwidth Management
9. WAN Protocol ( WAN2 )
10. Network Feature
11. USB
12. Správa sítě

Technické informace

Hardware Interface ADSL 1-port ADSL2+, RJ-11 connector (for AnnexA)
1-port ADSL2+, RJ-45 connector (for AnnexB)
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
VoIP 2-port FXS
WLAN IEEE802.11n
USB 1-port USB Host 2.0 (USB Printer / 3.5G USB Modem)
Dual WAN Outbound Policy-based Load-balance
BoD (Bandwidth On Demand)
WAN Connection Fail-over
ADSL Compatibility 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 / WLAN
PPPoE / PPPoA Relay
Transparent Bridge for MPoA
VoIP Protocol SIPv2 (RFC-3261)
12 SIP Registrars
G.168 Line Echo-cancellation
Automatic Gain Control
Jitter buffer (180 ms)
Voice Codec G.711 A/µ Law
G.729 A / B
DTMF Tone In Band
Out Band (RFC-2833)
SIP Info
Supplemental Services Internal Call
Call Hold / Retrieve / Waiting
Call Waiting with Caller ID
Call Transfer
Call Forwarding (Always / Bust / No Answer)
Call Barring (Incoming / Outgoing)
DND (Do Not Disturb)
MWI (Message Waiting Indicator) (RFC-3842)
Dial Plan Phone Book
Digit Map


Wireless Access Point
IEEE802.11n Compliant
Wireless Client List
Wireless LAN Isolation
64 / 128 bit WEP
Hidden SSID
Mac Address Access Control
Access Point Discovery
Multiple SSID
Wireless Rate-control
WMM (Wi-Fi Multimedia)
WDS (Wireless Distribution System)
802.1x Authentication
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
NAT-Traversal (NAT-T)
Dead Peer Detection (DPD)
VPN Pass-through
Firewall Policy-based Firewall
CSM (Content Security Management) for IM / P2P Application and URL / Web Content Filter
Multi-NAT / DMZ Host / Port-redirection / Open Port
SPI (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 Guarantee 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
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
Support Smart Monitor Up to 30 PCs
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


Dual WAN Load Balancing / Fail Over

Figure 1. Dual WAN - Load Balance Application

Figure 2. Dual WAN - Fail Over Application

VPN Firewall Application
With hardware-based implementation of the VPN protocol, the Vigor2820 supports up to 32 VPN tunnels using advanced protocols such as IPSec / PPTP / L2TP / L2TP over IPSec with AES / DES / 3DES for encryption and MD5 / SHA-1 for authentication.

The SPI firewall uses Object-Based design to make setting of firewall policies easy. The CSM feature allows more precise and efficient access control for URL / Web Content Filtering, IM and P2P applications.

Figure 3. VPN Firewall Application

Wireless Application
Vigor2820Vn models comply with IEEE802.11n standards. They support WEP / WPA / WPA2, encryption and MAC Address Control, Wireless LAN Isolation, Multi SSID and 802.1x authentication. The Wireless Rate Control function can adjust the data rate of each wireless station ( client ). WDS can help users to extend wireless coverage easily.

Figure 4. Wireless Application

VoIP Application
Vigor2820Vn models provide twin analogue phone and one line port. It supports multiple SIP Registrars with high flexible configuration and call handing options.

Benefits of Digit-Map for FXS port and Line Port

You can connect your regular analogue line (PSTN/POTS*) to the Line port of Vigor2820Vn. While you enable VoIP facility, you still can access fixed line (analogue line) to make calls just by dialing #0. The phone connected to Line port and FXS port can be used for both POTS callas and VoIP because the incoming calls are automatically switched through to your telephone (s) (either one or both). As a result, both analogue telephones plugged into your router allow you to access VoIP and analogue line. Furthermore, you can set rules through "Digit-Map" function about particular call destinations using either your SIP/VoIP service or the POTS line. e.g. you can route local calls via your PSTN line (if you have a free calls package) whereas international callas can go via your preferred VoIP provider; there is flexibility to have several digitmap rules. The implementation of Digit-Map facilitates the VoIP calls with SIP account as well as plays "Least Cost Routing" functionality.

Figure 5. VoIP Application

CSM / 3.5G Fail-over Backup
Vigor2820 series' CSM (Content Security Management) function can block selected P2P and instant message applications. This would not only help employees stay focused on their job but also prevent possible treats from those applications damaging corporate essential data severs.

3.5G fail-over backup can keep business continuous during downtime of the leased line from ISP.

Figure 6. CSM Application

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