The NetVanta 3000 Series is a full-featured, low-cost, access router platform that includes an integral DSU/CSU, a stateful inspection firewall, QoS for delay sensitive traffic like VoIP, DSX port for PBX connectivity, IPSec VPN, and various PPP disaster recovery options. Easily managed using a recognizable Command Line Interface (CLI) or the user-friendly web-GUI, the NetVanta 3000 Series fits seamlessly into your existing network.