The HP 5900 switch series is a family of high-density, ultra-low-latency, top-of-rack (To R) switches that is part of the HP Flex Network architecture's HP Flex Fabric solution. Ideally suited for deployment at the server access layer of large enterprise data centers, the HP 5900 switch series is also powerful enough for deployment at the data center core layer of medium-sized enterprises. With the increase in virtualized applications & server-to-server traffic, customers now require To R switch innovations that will meet their needs for higher-performance server connectivity, convergence of Ethernet & storage traffic, the capability to handle virtual environments, and ultra low latency all in a single device. Features Cut-through with ultra low latency & wire speed HP Intelligent Resilient Framework (IRF) for virtualization & two-tier architecture High 1/10 Gb E To R port density with 40 Gb E uplinks IPv 6 support in To R with full L2/L3 features Convergence ready with DCB, FCo E, and TRILL Quality of Service (Qo S) Flexible classification creates traffic classes based on access control lists (ACLs), IEEE 802.1p precedence, IP, and DSCP or Type of Service (To S) precedence;supports filter, redirect, mirror, remark, and logging. It provides support for Strict Priority Queuing (SP), Weighted Fair Queuing (WFQ), Weighted Deficit Round Robin (WDRR), SP+WDRR together, configurable buffers, Explicit Congestion Notification (ECN), and Weighted Random Early Detection (WRED). Data center optimized The HP 5900 switch series enables scaling of the server edge with 1 Gb E & 10 Gb E To R deployments to heights with high-density 48-port solutions delivered in a 1RU design;the high server port density is backed by 40 Gb E QSFP+ uplinks to deliver the availability of needed bandwidth for demanding applications;each 40 Gb E QSFP+ port can also be configured as four 10 Gb E ports by using a 40 Gb E-to-10 Gb E splitter cable. Manageability Remote configuration & management is available through a secure comm&-line interface (CLI) over Telnet & SSH; Role-Based Access Control (RBAC) provides multiple levels of access; Configuration Rollback & multiple configurations on the flash provide ease of operation;remote visibility is provided with s Flow & SNMP v 1/v 2/v 3, and is fully supported in HP Intelligent Management. Resiliency & high availability HP Intelligent Resilient Framework (IRF) technology enables an HP Flex Fabric to deliver resilient, scalable, and secured data center networks for physical & virtualized environments;groups up to four HP 5900 switches in an IRF configuration, allowing them to be configured & managed as a single switch with a single IP address;simplifies To R deployment & management, reducing data center deployment & operating expenses. Security Access control lists (ACLs) provide IP Layer 3 filtering based on source/destination IP address/subnet & source/destination TCP/UDP port number. Secure shell encrypts all transmitted data for secure remote CLI access over IP networks. Convergence LLDP-MED (Media Endpoint Discovery) is a standard extension of LLDP that stores values for parameters such as Qo S & VLAN to automatically configure network devices such as IP phones