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Glossary
Glossary-4
RADIUS
RADIUS (Remote Authentication Dial-In User Service). RADIUS is an IETF standard
protocol for Authentication, Authorization and Accounting.
Range Extender Antenna
An indoor antenna that extends the coverage area of a RoamAbout wireless device.
Rapid Rekeying
Also known as Key Tumbling, provides frequent, automatic, redistribution of IEEE 802.11
WEP Encryption keys for enhanced security.
RoamAbout AP Manager
Software used to manage and configure one or more APs. The software is installed on a
Windows computer that connects to the AP via a wired LAN or wireless LAN.
Roaming
The ability for a wireless client to move from one cell to another in a wireless network
without losing the network connection.
As the client moves between different wireless cells, the RoamAbout PC Card keeps track of
the quality of the radio connection with the APs. As the client moves away from its AP and
the signal level decreases, the RoamAbout PC Card automatically connects to another AP in
the same network that has a stronger signal level.
SNR
The Signal to Noise Ratio (SNR) is a dynamic indicator that indicates the relative strength of
the radio signal (signal level) versus the radio interference (noise level) in the radio signal
path.
Unicast Message
A data message that is transmitted by one wireless device to another wireless device.
Vehicle-Mount Antenna
A 5 dBi omni-directional antenna that connects to a PC Card in a client to extend the
coverage area. The Vehicle-Mount antenna is designed to be mounted on vehicles, such as
fork-lift trucks that need continuous access to networked data while inside or outside of the
warehouse.
- ENTERASYS.COM 1
- Contents 5
- 4 Wireless Network Tools 7
- 7 Problem Solving 10
- A PC Card Information 10
- C ASCII to HEX Conversion 11
- Glossary 11
- Intended Audience 13
- Associated Documents 14
- Document Conventions 15
- Getting Help 16
- Chapter 1 17
- RoamAbout AP 18
- RoamAbout PC Card 20
- Operating System Support 21
- Single AP 22
- Multiple APs 22
- Workgroup 23
- Wireless Client Behavior 24
- LAN-to-LAN Configuration 25
- Point-to-Multipoint 26
- Restrictions 29
- Ad-Hoc Network 31
- Optional Antennas 32
- Range Extender Antenna 33
- Outdoor Antenna Kit 34
- Chapter 2 35
- Characteristics 35
- Wireless Network Name 36
- Access Point MAC Addresses 37
- RoamAbout R2 MAC Addresses 37
- Channel Frequencies 38
- Transmit Rate 39
- Auto Rate 40
- Fixed Rate 40
- Communications Quality 41
- Data Throughput Efficiency 42
- AP Density and Roaming 42
- RTS/CTS Protocol 43
- Hidden Station 44
- 802.11 Power Management 45
- Security 46
- Transmit Key = 2 47
- Transmit Key = 1 47
- Authentication 48
- 802.1X Rapid Rekeying 50
- SNMP Community Names 53
- Console Port Security 53
- Network Protocols 54
- Wireless Traffic 54
- Message Types 55
- Spanning Tree Protocol 56
- Access Point 2000 57
- R2 Access Platform 57
- Network Configurations 58
- Static and Dynamic VLANs 59
- RoamAbout SNMP Management 60
- RoamAbout R2 61
- Chapter 3 63
- Designing and Implementing 63
- Infrastructure Network 64
- Noise from 65
- Elevator Shaft 65
- Microwave 65
- AP1 AP4AP2 67
- Using an Outdoor Antenna 68
- Chapter 4 73
- Wireless Network Tools 73
- RoamAbout AP Manager 74
- Other SNMP Management Tools 77
- RoamAbout Console Port 77
- Web Management 78
- RoamAbout Client Utility 79
- Chapter 5 81
- Required Information 83
- Viewing Current AP Settings 98
- Modifying the IP Address 99
- Using the AP Manager 101
- Modifying Wireless Parameters 102
- Using AP Manager 103
- Configuring for Security 104
- Setting Encryption 105
- RoamAbout R2 Console Port 108
- AP Manager 108
- to enter a custom AP 111
- →Programs→Control Panel 118
- Configuring for VLANs 120
- Setting Spanning Tree 123
- Protocol Description 125
- Resetting the RoamAbout AP 128
- Configuring Clients 130
- Chapter 6 131
- Using the Client Utility 135
- Logging Measurement Data 138
- Monitoring the AP Using RMON 140
- Chapter 7 147
- Problem Solving 147
- RoamAbout R2 LEDs 148
- AP 2000 LEDs 151
- AP (Classic) LEDs 154
- Showing Counters 157
- Counter Description 158
- Counter Wired Description 163
- Displaying Error Logs 164
- Transmit/Receive 165
- →Control Panel 168
- Windows NT 169
- Windows 95 or 98 170
- Appendix A 175
- PC Card Information 175
- Supported Frequency Sub-Bands 177
- Appendix B 179
- 1 5 180
- 6 9 180
- LKG-8996-931-01 180
- Appendix C 183
- ASCII to HEX Conversion 183
- ASCII Value HEX Value 184
- Glossary-2 188
- Glossary-3 189
- Glossary-4 190
- Glossary-5 191
- Index-1 193
- Index-2 194
- Index-3 195
- Index-4 196
- Index-5 197
- Index-6 198
- Index-7 199
- Index-8 200
- Index-9 201
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