Contents
v
202-10060-01, September 2004
Appendix B
Wireless Networking Basics
Wireless Networking Overview
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B-1
Infrastructure Mode
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B-1
Ad Hoc Mode (Peer-to-Peer Workgroup)
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B-2
Network Name: Extended Service Set Identification (ESSID)
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B-2
Wireless Channels
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B-2
WEP Wireless Security
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B-4
WEP Authentication
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B-4
WEP Open System Authentication
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B-5
WEP Shared Key Authentication
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B-6
Key Size and Configuration
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B-7
How to Use WEP Parameters
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B-8
WPA Wireless Security
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B-8
How Does WPA Compare to WEP?
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B-9
How Does WPA Compare to IEEE 802.11i?
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B-10
What are the Key Features of WPA Security?
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B-10
WPA Authentication: Enterprise-level User
Authentication via 802.1x/EAP and RADIUS
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B-12
WPA Data Encryption Key Management
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B-14
Is WPA Perfect?
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B-16
Product Support for WPA
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B-16
Supporting a Mixture of WPA and WEP Wireless Clients
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B-16
Changes to Wireless Access Points
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B-16
Changes to Wireless Network Adapters
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B-17
Changes to Wireless Client Programs
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B-18
Appendix C
Network, Routing, Firewall, and Cabling Basics
Basic Router Concepts
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B-1
What is a Router?
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B-1
IP Addresses and the Internet
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B-2
Netmask
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B-4
Subnet Addressing
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B-4
Private IP Addresses
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B-7
Single IP Address Operation Using NAT
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B-7
IP Configuration by DHCP
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B-8