Aruba Networks Access Point Aruba AP 60/61 Manual de usuario descargar pdf (Pagina 2)

Designed exclusively for use with Aruba WLAN switching

systems, Aruba APs deliver a new model for building structured

wireless environments that deliver high performance, unparal-

leled security, plug-and-play installation and automated

management.

Unlike conventional APs, Aruba APs also function simultane-

ously as RF monitors and are designed to be managed as part of

a complete centralized wireless system. Each AP is controlled

by an Aruba WLAN switch.

THIN I S IN

Aruba access points are “thin” APs that provide 802.11a/b/g

user access but are not overburdened with processing-intensive

functions, such as wireless user authentication, link layer

encryption, VPN termination, and upper layer MAC services

better suited for a purpose-built processing system.

Moving these functions into a centrally-located Aruba WLAN

system gives administrators greater control over the entire

system, better scalability, performance and the ability to easily

make system-wide changes as standards and security scheme

change. Additional benefits include better support for roaming

and low-latency (sub 5 millisecond) handoffs between APs -

making the Aruba system ideal for handling delay-sensitive

applications such as voice over wireless.

UNPARALLELED SECURITY

Conventional WLAN systems decrypt wireless traffic at the AP,

store electronic keys derived from the requisite exchanges

performed between the client and the authentication server of

each AP. This poses serious security risks for large corporations

if an access point is lost, stolen or if a fake AP or man-in-the-

middle attack is launched.

Because Aruba’s APs are managed and controlled by Aruba Wi-

Fi switches, no critical configuration information, such as pass-

words, encryption keys or digital certificates, is stored on Aruba

APs. If lost or stolen, no sensitive information can be obtained.

Aruba eliminates unwanted latency and complexity associated

with having to “pre-authenticate” mobile clients (a new concept

introduced by 802.11i). Pre-authentication requires complex state

information to be exchanged between all possible APs to which

a client might roam. Because Aruba centralizes encryption and

authentication, all state information is managed at a single point

for the entire system.

ZERO C O N F I G U R AT I O N , PLUG-AND-PLAY DEPLOYMENT

Aruba APs are completely plug-and-play, requiring no manual

configuration. Aruba APs can be directly attached to any

existing Ethernet switch or IP router and across any subnet

boundry. Once connected, Aruba APs self-configure by

automatically building a secure IP (generic routing encapsulation

or GRE) tunnel to the Aruba WLAN switch. The Aruba switch

automatically configures each Aruba AP from a single point

based on the policies and configuration set by the administrator.

This dramatically simplifies operation and obviates the need for

configuring discrete VLANs for new and existing APs. All

mobility is handled centrally within the Aruba Wi-Fi switch.

RF M O N I TORING A N D WIRELESS I N T R U S I O N ANALYSIS

Aruba APs are capable of performing a variety of sophisticated

RF processing and monitoring functions that enhance the enter-

prise WLAN. By providing programmable packet capture, Aruba’s

APs provide wireless RMON capabilities letting administrators

quickly diagnose and troubleshoot remote wireless problems.

FEATU R E BENEFITS

Multi-purpose

functionality

• Provides user access with

simultaneous support for

802.11a, 802.11b and 802.11g

• Constant monitoring of the air

to protect against unwanted

wireless intrusions

• Immediate access to wireless

RMON stats

• 2.4 Ghz and 5 Ghz RF spectrum

Thin AP

• Enables all authentication,

security, roaming, mobility to be

performed by centralized

Wi-Fi switch

• Obviates need for AP VLANs

everywhere

• Lower cost

• Easy upgrades

• Enhanced security that can be

scaled for entire system at the

Wi-Fi switch

Plug and play

• Auto-configuration of L2/L3

networks

• Configuration-free deployment

• No logical or physically re-

configuration of existing

wired network

Programmable

• New features and capabilities,

such as the detection of new

byte patterns for the detection

of new attacks can be added

• Third-party plug-ins supported

802.3af PoE support

• 802.3af power as well as serial

(RS-232) over Ethernet can be

provided from any Aruba

Wi-Fi switch

• No additional cabling

Plenum rated

• Can be easily deployed in harsh

environments including the

space above dropped ceilings

Flexible deployment

options

• In the ceiling, wall mounted,

or on the desktop

Integral and detachable

antenna options

• Directional and omni-directional

dual-band high gain antenna for

indoor and outdoor applications

Antenna diversity

• Allow for best possible signal

processing

Remote packet

capture

• Dynamically captures Wi-Fi traffic

for remote troubleshooting

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