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7-1
Chapter 7
Problem Solving
This chapter contains problem solving information for the RoamAbout wireless network.
If the problem appears to be with an AP or a specific client, check the LEDs first. The AP
LEDs are described in the next section. The client LEDs are described on page 7-19.
In This Chapter
Information in this chapter is presented as follows:
Topic Page
Using the AP LEDs to Determine the Problem 7-2
Showing Counters 7-11
Displaying Error Logs 7-18
RoamAbout PC Card LED Activity in a Client 7-19
Windows Does Not Detect the RoamAbout PC Card 7-21
Client Cannot Connect to the Network 7-21
Checking the Network Protocols on a Windows System 7-22
Device Conflict on a Windows System 7-23
Setting SNMP Trap Addresses (Access Point Only) 7-26
Setting Upline Dump (Access Point Only) 7-27
- 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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