In this chapter, you learned about the Cisco UWN architecture and wireless design principles. The following topics were explored:

■ An introduction to RF theory, including phenomena affecting RF signals, RF signal calculations, and types of RF antennas

■ The 802.11 standards, including the 802.11a/b/g half-duplex standards for wireless communication

■ WLAN components, including the differences between autonomous and lightweight APs

■ WLAN security, including authentication and encryption

■ The Cisco UWN, including lightweight APs, WLCs, and the WCS management application

■ LWAPP operation between the lightweight APs and WLCs, in Layer 2 or Layer 3 mode

■ The terminology related to and operation of WLCs, including how lightweight APs discover and join with WLCs

■ Mobility, the capability of end devices to move to new locations and remain networked, and roaming, when a wireless client moves its association from one AP and reassociates to another AP within the same SSID

■ The real-time RRM in the Cisco UWN, which continuously analyzes the existing RF environment and automatically adjusts the AP power and channel configurations

■ The RF site survey process and its importance in the design process

■ Controller redundancy design, both dynamic and the recommended deterministic redundancy with predefined primary, secondary, and tertiary controllers

■ Design considerations for using lightweight APs and WLCs in various scenarios, including for guest services, outdoor wireless networks, campus wireless networks, and branch wireless networks

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Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

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