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Cisco Systems OL-8376-01 manual General FAQs and Troubleshooting, C H A P T E R

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C H A P T E R 1

C H A P T E R 1

FAQs and Troubleshooting

Revised: June 20, 2006, OL-8376-01

This chapter provides FAQs and troubleshooting hints for all WLSE functions.

This chapter is organized as follows:

•General Questions—Information that is general in nature and not directly related to one of the following categories—See General FAQs and Troubleshooting, page 1-1

•Deployment Wizard—Deployment Wizard Troubleshooting, page 1-10

•Faults—Faults FAQs and Troubleshooting, page 1-11

•Devices—Devices FAQs and Troubleshooting, page 1-15

•Configuration—Configuration FAQs and Troubleshooting, page 1-21

•Firmware—Firmware FAQs and Troubleshooting, page 1-27

•Reports—Reports FAQs and Troubleshooting, page 1-31

•Radio Manager—Radio Manager FAQs and Troubleshooting, page 1-35

•Sites—Sites FAQs and Troubleshooting, page 1-41

•Intrusion Detection System (IDS)—Intrusion Detection System FAQs and Troubleshooting, page 1-49

•Admin (troubleshooting the WLSE appliance)—Admin FAQs and Troubleshooting, page 1-54

•Internal AAA Server (WLSE Express Only)—Internal AAA Server (WLSE Express Only) FAQs and Troubleshooting, page 1-62

General FAQs and Troubleshooting

•General FAQs, page 1-1

•General Troubleshooting, page 1-4

General FAQs

•Q.Can several users be logged on and managing the same access point at once?

•Q.Does the WLSE support Network Address Translation (NAT)?

•Q.Is Telnet enabled or disabled by default on the WLSE?

FAQ and Troubleshooting Guide for the CiscoWorks Wireless LAN Solution Engine

	OL-8376-01	1-1

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Cisco Systems OL-8376-01 manual General FAQs and Troubleshooting, C H A P T E R

Contents

Release Corporate HeadquartersCisco Systems, Inc 170 West Tasman Drive San Jose, CATHE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS Preface C O N T E N T SAdmin FAQs and Troubleshooting FAQs and TroubleshootingAccess Point /Bridge Faults Fault DescriptionsRadio Interface Faults AAA Server FaultsAudience PrefaceConventions ItemAvailable Formats Product DocumentationAvailable Formats Obtaining DocumentationProduct Documentation DVD Cisco.comOrdering Documentation viiiDocumentation Feedback Reporting Security Problems in Cisco ProductsCisco Product Security Overview Cisco Technical Support & Documentation Website Obtaining Technical AssistanceDefinitions of Service Request Severity Submitting a Service RequestObtaining Additional Publications and Information Page General FAQs and Troubleshooting FAQs and TroubleshootingGeneral FAQs C H A P T E RA.No Description MIB NameGeneral Troubleshooting Symptom Cannot log into the system –If the network cable is not connected, connect it –The system cannot connect to the network Symptom The system time or date is incorrect Resolve the network DNS problem, then continue 1-10 Deployment Wizard TroubleshootingChapter 1 FAQs and Troubleshooting Deployment Wizard TroubleshootingFaults FAQs Faults FAQs and TroubleshootingAuto-ManagedConfiguration > Assign Templates 1-11Q.What traps are sent from the WLSE? 1-121-13 Faults TroubleshootingSymptom The Display Fault view is blank 1-14Devices FAQs Devices FAQs and Troubleshooting1-15 Q.What is an invalid CDP seed? 1-16Discovery/Device Management Troubleshooting Devices TroubleshootingInventory Troubleshooting AAA Server TroubleshootingPossible Cause MessageRecommended Action 1-18Message 1-19Possible Cause Recommended ActionSymptom After creating a customized device name format, truncation of device names in displays such as device trees makes it difficult or impossible to distinguish one device from another 1-20Configuration FAQs Configuration FAQs and Troubleshooting1-21 b.Select the SSHv1 for the SSH version 1-22Q.What kinds of job logs are available? 1-23Q.What is startup configuration template? 1-24bridge irb Configuration Troubleshooting1-25 Auto-ManagedConfiguration > Assign Templates 1-26Firmware FAQs Firmware FAQs and Troubleshootingaaa new-model 1-271-28 Firmware TroubleshootingSymptom There is a time discrepancy in a job 1-29Symptom An SNMP job fails 1-30Reports FAQs Reports FAQs and TroubleshootingTelnet Credential Fields Required 1-311-32 Reports TroubleshootingSymptom The Top N Busiest Clients report and the Client Statistics report display 0 zero values 1-331-34 b.Click jobvm.logRadio Manager FAQs Radio Manager FAQs and TroubleshootingConfiguration Radio MonitoringMiscellaneous Auto Re-SiteSurvey1-36 Configuration1-37 When WLSE is used for initial setupSelf Healing 5,10,20,5 1-38Add more APs to the coverage plan, or 1-39Auto Re-SiteSurvey Miscellaneous1.Select Devices > Discover > Managed/Unmanaged Radio Manager Troubleshooting1-40 Sites FAQs Sites FAQs and TroubleshootingLocation Manager Assisted Site survey WizardRadio Parameter Generation AP Radio Scan1-42 Location Manager1-43 Assisted Site Survey Wizard1-44 Q.In the Constraints and Goals step in the Assisted Site Survey Wizard, how do I select multiple channels in the channel list? 1-45AP Radio Scan 1-46 Sites TroubleshootingRadio Parameter Generation 1-47 Leave the console open 1-48Detecting Rogue APs Intrusion Detection System FAQsInterference Detection APs in Scanning-OnlyModeDetecting Rogue APs 1-50Q.How does WLSE detect rogue APs? WLSE considers hardware, both client and access points, to be trusted sources, and assumes that vendors are reporting the field correctly. WLSE expects only client machines and peripherals to emit beacons with the IBSS flag set it is very unlikely that an access point would emit an IBSS beacon. In rare cases, however, a malicious station can spoof the field. If this happens, WLSE will report whatever value the field is set to 1-51–The rogue was not running 1-521-53 Intrusion Detection System TroubleshootingInterference Detection APs in Scanning-OnlyModeAdmin FAQs Admin FAQs and Troubleshooting1-54 Q.How can I verify the status of the database? 1-551-56 Redundancy StateDescription 1-57 Admin TroubleshootingRedundancy State Description–Users can log in using their local passwords 1-58Possible Cause Someone has deleted the link 1-591-60 a.Select Faults > Manage Fault SettingsGenerating Diagnostics for Technical Assistance Troubleshooting Tools for the WLSE ApplianceViewing Log Files 1-61Consolidating and Saving Log Files Internal AAA Server WLSE Express FAQs1-62 C H A P T E R Fault DescriptionsFault Description Access Point /Bridge FaultsRelated Setting ExplanationRelated Setting Fault DescriptionExplanation Recommended ActionRelated Setting Fault DescriptionExplanation Recommended ActionRelated Setting Fault DescriptionExplanation Recommended ActionRelated Setting Fault DescriptionExplanation Recommended ActionRelated Setting Fault DescriptionMIC is disabled for the ExplanationFault Description Radio Interface FaultsRelated Setting Fault DescriptionRelated Setting Fault DescriptionExplanation Recommended ActionFault Description 2-10Related Setting ExplanationFault Description 2-11Related Setting ExplanationFault Description 2-12Related Setting Explanation2-13 Verify RM CapabilityFault Description Related Setting2-14 IDS Intrusion Detection System FaultsFault Description Related SettingFault Description 2-15Related Setting ExplanationFault Description 2-16Related Setting ExplanationFault Description 2-17Related Setting ExplanationFault Description 2-18Related Setting ExplanationFault Description 2-19Related Setting ExplanationFault Description 2-20Related Setting ExplanationFault Description 2-21Related Setting Explanation2-22 cd11IfStationRole from theFault Description Related SettingFault Description 2-23Related Setting ExplanationWLSE Faults Voice FaultsFaults > Manage Fault Settings, thenFault Description 2-25Related Setting ExplanationServer Type AAA Server Faults2-26 Fault DescriptionFault Description 2-27Related Setting Server TypeFault Description 2-28Related Setting Server TypeFault Description 2-29Related Setting Server TypeFault Description 2-30Related Setting Server Type2-31 Switch FaultsFault Description Related SettingFault Description 2-32Related Setting ExplanationWLSM Faults Router Fault2-33 Fault DescriptionChapter 2 Fault Descriptions WLSM Faults 2-34OL-8376-01 I N D E IN-1IN-2 1-62IN-3 IN-4 IN-5 detection, frequency ofIN-6 IN-7 IN-8 WLSE-WDSauthentication failed WLSM IN-9discovery log errors fault descriptions management of multiple subnetsIndex IN-10OL-8376-01