ADTRAN solutions maximize performance, lower costs, and help companies achieve the best return on investment. ADTRAN is committed to achieving success for customers by offering "best-in-class" products with outstanding value. Let ADTRAN work for you.PRODUCT FEATURES:IP access routers for ADSL, ADSL2, ADSL2+ networks with integral 4-port Ethernet switch;ADSL2+ line rates up to 25 Mbps;Standards-based eBGP/iBGP, OSPF, RIP, static routing and bridging protocols;Integral stateful inspection firewall protects against Denial of Service (DoS) attempts;IPSec VPN upgrade supporting DES/3DES/ AES encryption;Recognizable CLI and user-friendly Web-based Graphical User Interface (GUI);Quality of Service with Low Latency, Weighted Fair Queuing, Class-based Weighted Fair Queuing, and DiffServ-marking;Built-in alert and logging mechanisms;Network Address Translation (NAT/NAPT), 1:1 NAT Port Translation, and NAT Traversal v2;NAT-compliant SIP ALG;DHCP client, server, and relay;XAUTH including RADIUS and RSA SecurID;Flash memory supports dual images of AOS;Telnet, HTTP, SSH, or SNMP management options.