Cisco Cisco Aironet 5 GHz 54 Mbps Wireless LAN Client Adapter (CB20A) Guia De Informação
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Table 2.
Product Part Numbers Affected by This Announcement
End-of-Sale Product Part Number
Product Description
AIR-CB20-A-K9-40
Cisco Aironet CardBus adapter with integrated antenna, FCC configuration, 40 pack
PRODUCT MIGRATION OPTIONS
The recommended replacement for the 40-pack bundle of the Cisco Aironet 5 GHz 54 Mbps Wireless LAN Client Adapter is the 40-pack
bundle of the Cisco Aironet IEEE 802.11a/b/g Wireless CardBus Adapters (Table 3). The replacement adapter provides high-performance, 54-
Mbps connectivity in the 2.4- and 5-GHz bands. Whether configured to support single 802.11b coverage, single 802.11g coverage, single
802.11a coverage, dual-mode 802.11a/g coverage, or tri-mode 802.11a/b/g coverage, the Cisco Aironet 802.11a/b/g Wireless Cardbus Adapter
is Wi-Fi-compliant and combines the freedom of wireless connectivity with the performance, security, and manageability that businesses
require.
Table 3.
Product Comparisons
Feature
AIR-CB20A-A-K9
AIR-CB21AG-A-K9-40
Cisco Wireless Security Suite:
IEEE 802.1X support, including Cisco Extensible Authentication Protocol (LEAP),
Protected Extensible Authentication Protocol (PEAP)-generic token card, PEAP-
Microsoft Challenge Authentication Protocol V2, and EAP-Transport Layer Security for
mutual authentication with dynamic per-user, per-session encryption keys using
Temporal Key Integrity Protocol enhancements. Full support for Wi-Fi Protected
Access. Ready for Advanced Encryption Standard Support.
No
Yes
Enhanced Client Network Management Features:
Bundled with comprehensive, easy-to-use client network management utilities to
provide a secure, intuitive, and convenient way to manage and configure the adapter.
Yes
Yes
Cisco LEAP Single Sign-On:
Convenient option to utilize log-in credentials for LEAP sign-on on the user’s network,
eliminating the need to enter a second set of credentials.
Yes
Yes
Cisco Structured Wireless-Aware Network (SWAN):
A comprehensive Cisco solution for deploying, operating, and managing a few to
hundreds to thousands of Cisco Aironet access points using the Cisco infrastructure.
This solution extends to the wireless LAN the same level of security, scalability, and
reliability that customers expect in their wired LAN by introducing “wireless-aware”
capabilities into the Cisco infrastructure.
hundreds to thousands of Cisco Aironet access points using the Cisco infrastructure.
This solution extends to the wireless LAN the same level of security, scalability, and
reliability that customers expect in their wired LAN by introducing “wireless-aware”
capabilities into the Cisco infrastructure.
Yes
Yes
Wireless Domain Services (WDS):
A component of Cisco SWAN, WDS is a collection of Cisco IOS
®
Software features
that enhance WLAN client mobility and simplify WLAN deployment and management.
WDS includes radio management aggregation, fast secure roaming, and WAN link
remote site survivability.
Yes
Yes
Fast Secure Roaming:
Allows authenticated client devices to roam securely from one access point to another
without any perceptible delay during reassociation. Provides support for latency-
sensitive applications such as VoIP, ERP, and Citrix.
Yes
Yes
Customers can use the Cisco Technology Migration Plan (TMP) to trade in products and receive credit toward the purchase of new Cisco
. The Cisco TMP application requires all users to
have a Cisco.com user ID.