Cisco Aironet 350 Series Manual de usuario descargar pdf (Pagina 2)

2 Cisco Product Catalog, April, 2002

Ethernet Speed and Improved Range

With a full 100 milliwatts (mW) of transmit power and the best receive sensitivity in the industry, the Cisco Aironet 350

Series Client Adapters provide the longest range and best reliability available for wireless clients. Advanced signal

processing in the Cisco Aironet 350 Series helps manage the multipath propagation often found in ofﬁce environments.

Intelligent ﬁltering addresses ambient noise and interference that can decrease network performance. Building upon Cisco

leadership in wireless LAN (WLAN) performance, the Cisco Aironet 350 Series Client Adapters provide the greatest

throughput available so users can enjoy virtually the same connectivity they gain from wire-line connections. Based on direct

sequence spread spectrum (DSSS) technology and operating in the 2.4-GHz band, the Cisco Aironet 350 Series Client

Adapters comply with the IEEE 802.11b standard-ensuring interoperability with all other compliant WLAN products.

Industry-Leading Centralized Security Solution for the Enterprise

For installations that need to scale to hundreds or even thousands of users, all Cisco Aironet products feature an industry-

leading centralized security architecture based on the IEEE 802.1x standard. Central to this architecture is the Extensible

Authentication Protocol (EAP) that enables wireless client adapter manufacturers and Remote Access Dial-In User Service

(RADIUS) server vendors to independently develop interoperable client- and server-side security software. This new security

architecture provides centralized user-based authentication integrated with network logon via utilization of an EAP-enabled

RADIUS server such as the Cisco Secure Access Control Server 2000 Version 2.6. When the user supplies a username and

password, the client interacts with the RADIUS server through a Cisco Aironet AP. When the RADIUS server authenticates

the client, the server and client negotiate a single-session, single-user encryption key and the RADIUS server transmits the

key to the AP. With this centralized and standards-based architecture, wireless security scales to meet the requirements of

any organization. Cisco Aironet 350 Series Client Adapters support the standard wired equivalent privacy (WEP) security

architecture, and include 128-bit encryption keys.

Figure 26-4: The 802.1x architecture implemented by Cisco is the ﬁrst enterprise-ready security system for

WLANs.

World Mode for International Roaming

Cisco simpliﬁes deployment for international travelers and multinational corporations with a new client adapter setting called

world mode. When placed in this mode, client adapters automatically inherit channel conﬁguration properties directly from

the Cisco Aironet AP to which they associate. This feature enables a user to use a client adapter around the world while still

maintaining regulatory compliance.

Enhanced Client Network Management Features with Extended Client Support

All Cisco wireless client adapters include the Cisco Aironet Client Utility (ACU), a tool with an intuitive graphical user

interface that makes it easy to conﬁgure, monitor, and manage an adapter. The ACU includes site-survey tools that produce

easy-to-understand, detailed graphical information, including signal strength, to assist in the correct placement of APs. The

ACU now provides improved, quantiﬁable data, including signal-to-noise ratio measured in decibels (dB) and signal level

and noise level measured in decibels per milliwatt (dBm). Using the ACU, a user can create a proﬁle of settings for each

EAP Over Wireless/LAN

(EAPOW/EAPOL)

EAP Over RADIUS

Authenticator

(e.g. Access Point,

Catalyst Switch)

Authentication

Server such as

ACS2000 v2.6

Semi-Public

Network/Enterprise Edge

Enterprise

Intranet

Extended Enterprise

(Branch Office or

Home Office)

Supplicant

54563

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