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QuickSpecs
Overview
STP root guard
protects the root bridge from malicious attacks or configuration mistakes
DHCP protection
blocks DHCP packets from unauthorized DHCP servers, preventing denial-of-service attacks
IP source guard
helps prevent IP spoofing attacks
Dynamic ARP protection
blocks ARP broadcasts from unauthorized hosts, preventing eavesdropping or theft of network data
RADIUS/HWTACACS
eases switch management security administration by using a password authentication server
Convergence
IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
facilitates easy mapping using network management applications with LLDP automated device discovery protocol
LLDP-MED
is a standard extension that automatically configures network devices, including LLDP-capable IP phones
LLDP-CDP compatibility
receives and recognizes CDP packets from Cisco's IP phones for seamless interoperation
IEEE 802.3af Power over Ethernet
provides up to 15.4 W per port to PoE-powered devices such as IP phones, wireless access points, and video cameras
PoE allocations
supports multiple methods (automatic, IEEE 802.3af class, LLDP-MED, or user-specified) to allocate PoE power for more
efficient energy savings
Voice VLAN
automatically assigns VLAN and priority for IP phones, simplifying network configuration and maintenance
IP multicast snooping (data-driven IGMP)
prevents flooding of IP multicast traffic
Device support
Cisco prestandard PoE support
detects and provides power to Cisco's prestandard PoE devices such as wireless LAN access points and IP phones
Additional information
Green IT and power
improves energy efficiency through the use of the latest advances in silicon development; shuts off unused ports and utilizes
variable-speed fans, reducing energy costs
Green initiative support
provides support for RoHS and WEEE regulations
Warranty and support
Lifetime Warranty 2.0
advance hardware replacement for as long as you own the product with next-business-day delivery (available in most countries)†
Electronic and telephone support (for Lifetime Warranty 2.0)
limited 24x7 telephone support is available from HP for the first 3 years; limited electronic and business hours telephone
support isavailable from HP for the entire warranty period; to reach our support centers, refer to
www.hp.com/networking/contact-support; for details on the duration of support provided with your product purchase, refer to
www.hp.com/networking/warrantysummary
DA - 13850 Worldwide — Version 26 — April 15, 2014
HP 5120 EI Switch Series
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