Cisco 1812/K9-RF - Rf 1812 Ethernet Router Instrukcja Użytkownika Pobierz pdf (Strona 18)

Data Sheet

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Network Admission Control (NAC)—Enforce policies pertaining to client configuration

and behavior, to ensure that only end-user devices with appropriate security utilities can

gain access to the network.

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Secure Mobility—Maintains the highest level of security in mobile environments with Cisco

Proactive Key Caching (PKC), an extension to the 802.11i standard and precursor to the

802.11r standard that facilitates secure roaming with advanced encryption standard (AES)

encryption and RADIUS authentication.

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Guest Tunneling—Provides additional security for access to the corporate network by

guest users. It helps ensure that guest users are unable to access the corporate network

without first passing through the corporate firewall. Guest Switch tunneling can be initiated

on Wireless LAN controller network module but can not be terminated. For terminating

Guest Switch tunneling a 44xx controller is required.

Figure 11. Multiple Layers of Wireless LAN Protection

Real-Time Application Support

The Cisco Centralized wireless LAN Solution provides best-in-class performance to support real-

time applications such as voice. The Cisco Wireless LAN controller network module enables rapid

handoff between access points, providing smooth mobility with no interruption in service to the

client. Intelligent queuing and contention management schemes provide effective resource

management of the air space. Cisco Wireless LAN controller network module also supports QoS

capabilities that are Wi-Fi Multimedia (WMM)-compliant and closely mirror the emerging IEEE

802.11e standard. Full compliance with the finished standard will be achieved via a software

upgrade when the final standard is ratified.

Mobility

The Cisco Wireless LAN controller network module allows users to roam between access points

and across bridged and routed subnets without requiring changes to underlying infrastructure.

Security and QoS context information follows users wherever they roam, helping to ensure that

mobility does not compromise performance, reliability, or privacy. The Cisco Wireless LAN

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Cisco 1812/K9-RF - Rf 1812 Ethernet Router Instrukcja Użytkownika Strona 18