<P>The HP AdvanceStack Switch 2000 is a managed modular switch that offers a wide range of media connectivity options. It is ideal for improving performance within existing networks and connecting to FDDI, 100VG, and ATM. The AdvanceStack 2000 features advanced monitoring with RMON (4 groups) and RMON extensions and port mirroring for easier troubleshooting. IP multicast (IGMP) software prevents flooding of multicast video traffic and supports Quality of Service for IP multicast traffic, plus port-based VLANs and port/MAC/multicast protocol filtering allow for intrusion protection. </P>