Pre-configured system which includes a NetVanta 4305 and one NetVanta Octal Wide Module. The NetVanta 4305 includes a built-in firewall and two Ethernet LAN ports, and can support the optional IPSec Virtual Private Networking (VPN) and Voice Quality Monitoring as well. Features: Three-slot, dual-Ethernet IP access router for eight T1s of bandwidth. Stateful inspection firewall for network security. Quality of Service (QoS) for delay-sensitive traffic like Voice over IP (VoIP). InherentURL filtering to manage Internet access and enforce Internet usage policies. Recognizable Command Line Interface (CLI) and intuitive Web-based Graphical User Interface (GUI).