Cisco Aironet 1100 Series - CHAPTER 21 Troubleshooting

To Next Page

To Previous Page

CHAPTER

21-1

Cisco Aironet 1100 Series Access Point Installation and Configuration Guide

OL-2851-01

Troubleshooting

This chapter provides troubleshooting procedures for basic problems with the access point. For the most

up-to-date, detailed troubleshooting information, refer to the Cisco TAC website at the following URL

(select Top Issues and then select Wireless Technologies):

http://www.cisco.com/tac

Sections in this chapter include:

• Checking the Top Panel Indicators, page 21-2

• Checking Basic Settings, page 21-4

• Resetting to the Default Configuration, page 21-4

• Reloading the Access Point Image, page 21-6

Main Page

Default Chapter3
- Table of Contents3
Preface15
- Audience15
- Purpose15
- Organization15
- Conventions17
- Related Publications19
- Obtaining Documentation19
- Obtaining Technical Assistance20
  - Cisco.com20
  - Technical Assistance Center21
    - Cisco TAC Web Site21
    - Cisco TAC Escalation Center22
Chapter 1 Overview23
- Features24
  - Hardware Features24
  - Software Features26
- Management Options27
- Roaming Client Devices27
- Network Configuration Examples28
- Installing the Access Point31
Chapter 2 Installing the Access Point32
- Safety Information32
  - FCC Safety Compliance Statement32
  - General Safety Guidelines32
- Warnings32
- Unpacking the Access Point33
  - Package Contents33
- Basic Installation Guidelines33
- Before Beginning the Installation34
- Installation Summary34
- Connecting the Ethernet and Power Cables35
Chapter 3 Configuring the Access Point for the First Time37
- Before You Start40
  - Resetting the Access Point to Default Settings40
- Obtaining and Assigning an IP Address41
- Connecting to the Access Point Locally41
- Assigning Basic Settings42
  - Default Settings on the Express Setup Page45
- Protecting Your Wireless LAN46
- Using the IP Setup Utility46
- Assigning an IP Address Using the CLI49
- Using a Telnet Session to Access the CLI49
Chapter 4 Using the Web-Browser Interface51
- Using the Web-Browser Interface for the First Time52
- Using the Management Pages in the Web-Browser Interface52
  - Using Action Buttons53
  - Character Restrictions in Entry Fields55
- Using Online Help55
CHAPTER 5 Using the Command-Line Interface57
- IOS Command Modes58
  - C H a P T E R 5 Using the Command-Line Interface59
- Getting Help59
- Abbreviating Commands59
- Using no and Default Forms of Commands59
- Understanding CLI Messages60
- Using Command History60
- Using Editing Features61
- Searching and Filtering Output of Show and more Commands64
- Accessing the CLI64
Chapter 6 Administering the Access Point68
- Preventing Unauthorized Access to Your Access Point68
  - Protecting Access to Privileged EXEC Commands68
    - Setting or Changing a Static Enable Password69
    - Protecting Enable and Enable Secret Passwords with Encryption70
Protecting Access to Privileged EXEC Commands70
- Configuring Username and Password Pairs71
- Configuring Multiple Privilege Levels72
  - Setting the Privilege Level for a Command72
  - Logging into and Exiting a Privilege Level73
- Controlling Access Point Access with RADIUS73
- Configuring the Access Point for Local Authentication and Authorization78
- Configuring the Access Point for Secure Shell79
  - Understanding SSH79
  - Configuring SSH80
- Managing the System Time and Date80
CHAPTER 7 Configuring Radio Settings101
- Disabling and Enabling the Radio Interface102
- Configuring the Role in Radio Network102
- Configuring Radio Data Rates103
- Configuring Radio Transmit Power105
  - Limiting the Power Level for Associated Client Devices105
- Configuring Radio Channel Settings106
- Enabling and Disabling World-Mode107
- Disabling and Enabling Short Radio Preambles107
Configuring Transmit and Receive Antennas108
Disabling and Enabling Aironet Extensions109
Configuring the Ethernet Encapsulation Transformation Method110
Enabling and Disabling Reliable Multicast to Workgroup Bridges110
Enabling and Disabling Public Secure Packet Forwarding111
Configuring the Beacon Period and the DTIM112
Configure RTS Threshold and Retries112
Configuring the Maximum Data Retries113
Configuring the Fragmentation Threshold113
Chapter 8 Configuring Multiple Ssids115
- Understanding Multiple Ssids116
- Configuring Multiple Ssids116
Chapter 9 Configuring WEP and WEP Features121
- Understanding WEP122
- Configuring WEP and WEP Features122
Chapter 10 Configuring Authentication Types125
- Understanding Authentication Types126
- Configuring Authentication Types130
- Matching Access Point and Client Device Authentication Types133
Chapter 11 Configuring RADIUS Servers137
- Understanding RADIUS138
- RADIUS Operation138
- Configuring RADIUS140
- Configuring RADIUS Authorization for User Privileged Access and Network Services147
- Starting RADIUS Accounting148
- Configuring Settings for All RADIUS Servers149
- Configuring the Access Point to Use Vendor-Specific RADIUS Attributes149
- Configuring the Access Point for Vendor-Proprietary RADIUS Server Communication150
  - Displaying the RADIUS Configuration151
Chapter 12 Configuring Vlans153
- Understanding Vlans154
  - Related Documents155
  - Incorporating Wireless Devices into Vlans156
- Configuring Vlans156
- VLAN Configuration Example159
Chapter 13 Configuring Qos163
- Understanding Qos for Wireless Lans164
- Configuring Qos165
- Qos Configuration Examples172
  - Prioritizing for Voice Traffic172
  - Prioritizing for Video Traffic174
Chapter 14 Configuring Proxy Mobile IP175
- Understanding Proxy Mobile IP176
- Configuring Proxy Mobile IP180
Chapter 15 Configuring Filters183
- Understanding Filters184
- Configuring Filters Using the CLI184
- Configuring Filters Using the Web-Browser Interface184
Chapter 16 Configuring CDP193
- Understanding CDP194
- Configuring CDP194
- Monitoring and Maintaining CDP196
Chapter 17 Configuring SNMP201
- Understanding SNMP202
- Configuring SNMP203
- Displaying SNMP Status210
CHAPTER 18 Configuring Repeater and Standby Access Points211
- Understanding Repeater Access Points212
- Configuring a Repeater Access Point213
- Understanding Hot Standby217
- Configuring a Hot Standby Access Point217
Chapter 19 Managing Firmware and Configurations219
- Working with the Flash File System220
- Working with Configuration Files226
- Working with Software Images236
- Command239
Step 3 Configure Terminal242
Step 6 End242
- Ftp:[[//Username[:Password]@Location]/Directory]243
  - Verify that the FTP Server Is Properly Configured by Referring to the "Preparing to Download or Upload a Configuration File by Using FTP" Section on Page244
  - Log into the Access Point through a Telnet Session244
Enter Global Configuration Mode244
(Optional) Change the Default Remote Username244
(Optional) Change the Default Password244
Return to Privileged EXEC Mode245
Chapter 20 Configuring System Message Logging253
- Configuring System Message Logging254
- Displaying the Logging Configuration263
Chapter 21 Troubleshooting265
- Checking the Top Panel Indicators266
- Checking Basic Settings268
- Ssid268
Translated Safety Warnings273
- Dipole Antenna Installation Warning274
- Explosive Device Proximity Warning275
- Lightning Activity Warning276
- Installation Warning277
- Circuit Breaker (15A) Warning277
Appendix279
Declarations of Conformity and Regulatory Information279
- Manufacturers Federal Communication Commission Declaration of Conformity Statement280
- Department of Communications-Canada280
  - Canadian Compliance Statement280
- European Community, Switzerland, Norway, Iceland, and Liechtenstein281
  - Declaration of Conformity with Regard to the R&TTE Directive 1999/5/EC281
- Declaration of Conformity for RF Exposure282
- Guidelines for Operating Cisco Aironet Access Points and Bridges in Japan283
  - Japanese Translation283
  - English Translation283
Appendix285
Channels and Antenna Settings285
- Channels286
- Maximum Power Levels287
Appendix289
Mounting Instructions289
- Overview290
- Mounting on a Horizontal or Vertical Surface291
- Mounting on a Suspended Ceiling292
- Using the Security Hasp Adapter294
- Mounting on a Cubical Wall Partition295
- Using the Desktop Holster296
- Using the Cable Lock Feature297
Appendix299
Protocol Filters299
Appendix305
Supported Mibs305
- MIB List305
- Using FTP to Access the MIB Files306
Appendix307
Access Point Specifications307
Appendix309
Error and Event Messages309
I N D E X313

Cisco Aironet 1100 Series - CHAPTER 21 Troubleshooting

Table of Contents

Related product manuals