The Vigor2820 is an ADSL2+ router with 2^nd Ethernet WAN. This 2^nd WAN can connect to DSL / Cable modem or fiber media converter for policy-based load-balance, fail-over and BoD; it also features advanced bandwidth control mechanisms such as IP-layer QoS, NAT Session Limitation, Bandwidth Borrowed, etc., to allow easy, flexible and reliable access control and bandwidth management.

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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. 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 5. VPN Up to 32 VPN Tunnels Protocol : PPTP IPSec L2TP L2TP over IPSec Encryption : MPPE Hardware-based AES DES 3DES Authentication Hardware-based MD5 SHA-1 IKE Authentication : Pre-shared Key Digital Signature ( X.509 ) LAN-to-LAN , Teleworker-to-LAN NAT-Traversal ( NAT-T ) Dead Peer Detection ( DPD ) VPN Pass-through 6. 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 7. 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 8. WAN Protocol ( WAN2 ) DHCP Client Static IP PPPoE PPTP BPA L2TP* 9. 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 : Static Routing RIP V2 10. USB 3G USB Modem * USB Printer 11. 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*