CCNA Explorer 3 Basic Wireless Concepts and Configuration

Basic Wireless Concepts and Configuration

The Wireless LAN

Why Use Wireless?

Wireless Techonologies

Wireless LANs

WLAN vs. LAN

WLAN Devices

Clients

Wireless LAN Standards WLAN Graph WLAN Table Wi-Fi Certifications ITU-R regulates allocation of RF bands. IEEE specifies how RF is modulated to carry information. Wi-Fi ensures that vendors make devices that are interoperable. Wireless Infratructure Components Wireless NICs Wireless Access Points Hidden Nodes CSMA/CA - Carrier Sense Multiple Access with Collision Avoidance (RTS/CTS) - CSMA/CA feature called request to send/clear to send Wireless Routers Wireless Operation Configure Wireless AP Wireless modes SSID Channels Ad Hoc Networks Basic Service Set Extended Service Set Wireless Beacon Wireless Probe Wireless Authentication Wireless Association Planning the Wireless LAN Map Coverage Area Align Coverage Areas Plan WIreles LAN Security Threats to Wireless Security Unauthorized Access MITM Denial of Service 1 Denial of Service 2 Wireless Security Protocols Wireless Security Protocols Wireless Association EAP TKIP and AES TKIP and AES Securing a Wireless LAN Controlling Access to the Wireless LAN Configuring Wireless LAN Access Configuring the Wireless Access Point Configuration Steps Setup Management Wireless Configuration overview Configure mode Configure SSID Confiugre Radio Band Configure Wide Channel Configure standard channel Wireless Security - Overview Wireless Security - Mode Wireless Security - Mode Parameters Wireless Security - Encryption Wireless Security - Key Configuring Wireless NIC