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Descrierea produsului
Descrierea produsului
Site Producator:DrayTek Vigor 2820Vn
1. Dual-WAN
* Outbound Policy-based Load-balance
* BoD ( Bandwidth On Demand )
* WAN Connection Fail-over
2. 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+
* Multi-PVC
* Annex L ( READSL )
* Annex M
3. 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
4. VoIP ( Voice over IP )
* Protocol : SIP / RTP / RTCP
* 12 SIP Registrars
* G.168 Line Echo-cancellation
* Automatic Gain Control
* Jitter Buffer ( 180ms )
* Voice Codec : G.711 A/µ Law G.723.1 G.726 G.729 A / B VAD / CNG iLBC
* DTMF Tone :
o In Band
o Out Band ( RFC-2833 )
o SIP Info
* FAX / Modem Support :
o Tone Detection
o G.711 Pass-through
o T.38 for Fax
* Supplemental Services :
o Internal Call
o Call Hold / Retrieve / Waiting
o Call Waiting with Caller ID
o Call Transfer
o Call Forwarding ( Always / Bust / No Answer )
o Call Barring ( Incoming / Outgoing )
o DND ( Do Not Disturb )
o MWI ( Message Waiting Indicator ) ( RFC-3842 )
o Hotline
* Dial Plan :
o Phone Book
o Digit Map
5. Wireless Access Point
* IEEE802.11n Compliant ( Draft 2.0 )
* Wireless Client List
* Wireless LAN Isolation
* 64 / 128 bit WEP
* WPA / WPA2
* 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
6. VPN
* Up to 32 VPN Tunnels
* Protocol :
o PPTP
o IPSec
o L2TP
o L2TP over IPSec
* Encryption :
o MPPE
o Hardware-based AES
o DES
o 3DES
* Authentication
o Hardware-based MD5
o SHA-1
* IKE Authentication :
o Pre-shared Key
o Digital Signature ( X.509 )
* LAN-to-LAN , Teleworker-to-LAN
* NAT-Traversal ( NAT-T )
* Dead Peer Detection ( DPD )
* VPN Pass-through
7. 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
8. Bandwidth Management
* QoS :
o Guarantee Bandwidth for VoIP
o Class-based Bandwidth Guarantee by User-Defined Traffic Categories
o DiffServ Code Point Classifying
o 4-level Priority for Each Direction ( Inbound / Outbound )
o Bandwidth Borrowed
* Bandwidth / Session limitation
9. WAN Protocol ( WAN2 )
* DHCP Client
* Static IP
* PPPoE
* PPTP
* BPA
* L2TP
10. Network Feature
* Port-based VLAN
* DNS Cache / Proxy
* DHCP Client / Relay / Server
* IGMP Proxy
* Dynamic DNS
* NTP Client
* Call Scheduling
* RADIUS Client
* UPnP
* Routing Protocol :
o Static Routing
o RIP V2
11. USB
* 3G USB Modem ( 3G only can act as WAN2 )
* USB Printer
12. 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
* TR-069*
* TR-104*
| Parametrii tehnici | |
| Brand | DrayTek |
