E2520-8-Po E The HP E2520 Switch Series is ideally suited for small & medium businesses looking to deploy voice, video, or wireless solutions that require Power over Ethernet (Po E) connectivity. The series consists of four switches: the HP E2520-8-Po E, the HP E2520-24-Po E, the HP E2520-8G-Po E, & the HP E2520-24G-Po E Switch. The four models offer a choice of either Fast Ethernet or Gigabit Ethernet connectivity. All models also include support for dual-personality Gigabit Ethernet ports that can be used for either copper or fiber connectivity. All products are fully managed via SNMP, comm&-line interface (CLI), & graphical user interface (GUI) & offer a Layer 2 feature set. In addition, the products provide deployment flexibility with compact, quiet, & energy-efficient designs. Key
Features:
- Fully managed Layer 2 switch in 8 or 24 ports;
- Choice of Fast Ethernet or Gigabit Po E models;
- Power over Ethernet for voice, video, & wireless;
- Energy-efficient design & quiet operation;
- Rack-mountable & compact form factors. Quality of Service (Qo S) Selectable queue configuration: increases performance and/or traffic reliability by selecting the number of queues that best meet the requirements of your network applications; switch will map 8 priorities to either 2 or 4 queues. Simplified Qo S configuration:
- Port-based: prioritize traffic by specifying a port & priority level;
- VLAN based: prioritize traffic by specifying a VLAN & priority level.
- IEEE 802.1p traffic prioritization: honors & sets IEEE 802.1p priority in the VLAN tag. Type of service:
- IP Precedence: honors IP Precedence bits & allows mapping to a priority queue;
- Differentiated Services Code Point values: honors Differentiated Services Code Point (DSCP) bits & allows mapping to a priority queue. Flow control: helps ensure reliable communications during full-duplex operation. Management Choice of management interfaces:
- Web graphical user interface (GUI): easy-to-use graphical interface allows configuration of the switch from any Web browser;
- Comm&-line interface (CLI): robust comm&-line interface provides advanced configuration & diagnostics;
- Simple Network Management Protocol (SNMPv 2c/SNMPv 3): allows switch to be managed with a variety of third-party network management applications. Integration with HP PCM: enables discovery, mapping, logging, & configuration via HP PCM, which is available as a free download from the Web. Virtual stacking: single IP address manages up to 16 switches. Port mirroring: allows traffic to be mirrored on any port or a network analyzer to assist with diagnostics or detecting network attacks. Multiple configuration files: configuration file management tools allow up to three configuration files to be managed & stored on the switch. Dual flash images: provide independent primary & secondary operating system files for backup while upgrading. Network tools: comm&-line interface
Includes:: telnet client, ping, traceroute, & Layer 2 link test tools for diagnostics. IEEE 802.1AB Link Layer Discovery Protocol (LLDP): automated device discovery protocol for easy mapping by network management applications. Command authorization: leverages RADIUS to link a custom list of CLI commands to individual network administrator's login; also provides an audit trail. Logging: local & remote logging of events via SNMP (v 2c & v 3) & syslog. IPv 6 host: allows switches to be managed using IPv 6 protocols. RMON: provides advanced monitoring & reporting capabilities for statistics, history, alarms, & events. Find-Fix-Inform: finds & fixes common network problems automatically, then informs administrator. Front-panel LEDs:
- Locator LED: allows users to set the locator LED on a specific switch to either turn on, blink, or turn off; simplifies troubleshooting by making it easy to locate a particular switch within a rack of similar switches;
- Per-port LEDs: provides an at-a-glance view of status, activity, speed, & full-duplex operation;
- Power & fault LEDs: display any issues. Connectivity
- Auto-MDIX: automatically adjusts for straight-through or crossover cables on all ports;
- Small Form-Factor Pluggable (SFP) slots: dual-personality ports allow for either copper or fiber connectivity such as Gigabit-SX, -LX, -LH, & -BX or 100-FX & -BX;
- IEEE 802.3af Power over Ethernet: provides up to 15.4 W per port to IEEE 802.3af-compliant Po E-powered devices such as IP phones, wireless access points, & security cameras (see product specifications for total Po E power available); supports some prestandard Po E devices (see product FAQs for more details);
- RJ-45 serial console port: front of unit location provides easy access to switch CLI. Performance
- Switch on a chip: provides highly integrated, high-performance switch design with a non-blocking architecture;
- Jumbo packet support: supports up to 9216-byte frame size to improve performance of large data transfers (2520G switch). Resiliency & high availability Port trunking & link aggregation:
- Trunking: supports up to eight links per trunk to increase bandwidth & create redundant connections;
- IEEE 802.3ad Link Aggregation Protocol (LACP): eases configuration of trunks through automatic configuration. IEEE 802.1s Multiple Spanning Tree Protocol (MSTP): provides high link availability in multiple VLAN environments by allowing multiple spanning trees; provides legacy support for IEEE 802.1w (Rapid Reconfiguration of Spanning Tree Protocol) & IEEE 802.1d (Spanning Tree Protocol). Layer 2 switching
- VLAN support & tagging: supports the IEEE 802.1Q (4, 094 VLAN IDs) & up to 256 port-based VLANs simultaneously;
- GARP VLAN Registration Protocol (GVRP): allows automatic learning & dynamic assignment of VLANs;
- Broadcast control: allows limitation of broadcast traffic rate to cut down on unwanted broadcast traffic on the network. Security Manager & operator privilege levels: enables read-only (operator) & read-write (manager) access on management interfaces. RADIUS/TACACS+ for management access authentication: eases switch management security administration by using a password authentication server. Secure protocols for encryption of management traffic:
- Secure Shell (SSHv 2): encrypts all transmitted data for secure, remote CLI access over IP networks;
- Secure Sockets Layer (SSL): encrypts all HTTP traffic, allowing secure access to the browser-based management GUI in the switch;
- Simple Network Management Protocol (SNMP) v 3: allows encryption of traffic between switch MIBs & network management software;
- Secure FTP (SFTP): encrypts uploads & downloads of configuration file. Protected ports: prevents designated ports from communicating with each other while allowing access to unprotected ports. Port security: allows access only to specified MAC addresses, which can be learned or specified by the administrator. MAC address lockout: prevents particular configured MAC addresses from connecting to the network. MAC address lockdown: allows only specified MAC addresses access to the network on a specified port. Denial-of-service (Do S) attack filtering: automatically filters & drops common Do S attack traffic types. User authentication for port access:
- IEEE 802.1X: utilizes an industry-standard user authentication with an IEEE 802.1X supplicant on the client in conjunction with a RADIUS server;
- Web-based: similar to IEEE 802.1X, it provides a browser-based environment to authenticate clients;
- MAC-based: client is authenticated with the RADIUS server based on MAC address;
- Concurrent authentication schemes: each switch port will accept up to two sessions of IEEE 802.1X, Web, and/or MAC authentications concurrently. Custom banner: displays security policy when users log in to the switch. Spanning Tree Protocol Bridge Protocol Data Unit (BPDU) port protection: blocks BPDUs on ports that do not require BPDUs, preventing forged BPDU attacks. Spanning Tree Protocol Root Guard: when running the spanning tree protocol, protects root bridge from malicious attack or configuration mistakes. Physical security:
- Front-panel buttons: provides the ability to disable reset & clear buttons on front panel for added security;
- Kensington Lock: 2520-8-Po E & 2520G-8-Po E switches include a Kensington Lock slot for securing the switches in open-space deployments. Convergence:
- LLDP-MED (Media Endpoint Discovery): a standard extension of LLDP that automatically configures network devices such as IP phones;
- IP multicast snooping & data-driven IGMP: automatically prevents flooding of IP multicast traffic;
- Voice VLAN: uses LLDP-MED to automatically configure VLAN for IP phones. Flexibility Quiet operation:
- Fanless design (2520-8-Po E & 2520G-8-Po E switches): enables quiet operation for deployment in open spaces;
- Variable-speed fans (2520-24-Po E & 2520G-24-Po E switches): improves fan speed for the operating environment while keeping noise & energy consumption levels to a minimum. Flexible mounting:
- Rackable: is mountable in a standard 19-inch rack with included hardware (2520-8-Po E & 2520G-8-Po E rack kit available free of charge via the Web);
- Wall mountable: allows the switch to be mounted to a wall using included hardware;
- Surface mountable: allows the product to be mounted above or below a surface (such as a desk or table) with included hardware. Compact
Size: products are designed to reduce space requirements (see product specifications for exact dimensions). Product architecture Energy-efficient design:
- Fans: fanless (2520-8-Po E & 2520G-8-Po E) & variable-speed fans (2520-24-Po E & 2520G-24-Po E) help reduce power consumption ;
- Port LEDs: port link & activity LEDs can be turned off to conserve energy;
- Port low-power mode: when no link is detected on a port, the port will automatically go into low-power mode to conserve energy (2520G switch).