Module 11Troubleshooting, Management, Monitoring, and DiagnosticsIng. Jos Patio S.

OverviewThis module will cover the basics of troubleshooting. It begins by examining a methodology that breaks down the process of troubleshooting into manageable steps. Next, a variety of tools will be introduced that are used to troubleshoot a WLAN. These tools include cable testers, sniffers, and spectrum analyzers. A brief discussion of system logging and single point of failure troubleshooting will be presented. Finally, enterprise management tools will be explored.Ing. Jos Patio S.

Learning ObjectivesDemonstrate proficiency using TCP/IP utilitiesIdentify the common tools used to troubleshoot a wireless networkIdentify single point failures on a WLAN.Configure SNMP and Syslog loggingIdentify basic facts about CiscoWorks WLSE and ACAT tool.Identify facts about Wavelink Mobile Manager and Airwave.Ing. Jos Patio S.

Key termsDeductive ReasoningInductive ReasoningSniffersSpectrum AnalyzerCable AnalyzerGauss MeterSyslogSNMPWLSE

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General Approach to TroubleshootingIng. Jos Patio S.

Logic MethodsIng. Jos Patio S.

Problem Solving ModelIng. Jos Patio S.

Routed and Routing ProtocolsIng. Jos Patio S.

ISOIng. Jos Patio S.

IOS Network Management ModelIng. Jos Patio S.

IOS Network Management Model (Cont)Ing. Jos Patio S.

OSI TroubleshootingIng. Jos Patio S.

TCP/IP and OSI ComparisonIng. Jos Patio S.

Troubleshooting LayersIng. Jos Patio S.

TCP/IP Diagnostic ToolsIng. Jos Patio S.

Diagnostic ToolsIng. Jos Patio S.

MultimeterIng. Jos Patio S.

Cable MeterIng. Jos Patio S.

Hardware SniffersFluke NetworksBerkeley Varitronics Systems Ing. Jos Patio S.

Software Sniffershttp://www.personaltelco.net/index.cgi/WirelessSniffer?action=show&redirect=WirelessSniffers Ing. Jos Patio S.

Spectrum AnalyzerAnritsuTektronixIng. Jos Patio S.

Gauss MeterIng. Jos Patio S.

Cable and Antenna AnalyzerIng. Jos Patio S.

WLAN TroubleshootingIng. Jos Patio S.

FirmwareAP or BridgeACU Version and NDIS DriversIng. Jos Patio S.

ConfigurationIng. Jos Patio S.

AP and Bridge LEDsIng. Jos Patio S.

NIC LEDsIng. Jos Patio S.

System Message LoggingIng. Jos Patio S.

Event Log PageIng. Jos Patio S.

Event Log Configuration Option PageIng. Jos Patio S.

Enable and Define a Syslog ServerIng. Jos Patio S.

Configure Logging via IOS CLIIng. Jos Patio S.

SNMP ArchitectureIng. Jos Patio S.

Configure SNMP via GUIIng. Jos Patio S.

Configure SNMP via CLIIng. Jos Patio S.

Syslog and SNMP ApplicationsIng. Jos Patio S.

WLAN Management SolutionsIng. Jos Patio S.

Enterprise Network Inclusion of WirelessIng. Jos Patio S.

Enterprise Topology with WLAN AccessIng. Jos Patio S.

Wireless LAN ChallengesThe lack of effective management has inhibited the growth of large-scale wireless networks due to . . .The challenge of configuring hundreds or thousands of access pointsSecurity risks opened up by mis-configurationsLack of sufficient tools for trouble shooting, performance analysis and capacity planningIng. Jos Patio S.

CiscoWorks WLSE Product SummarySpecialized application for managing the Cisco WLANCentralized configuration of large deployments of Cisco APsSecurity policy and fault/performance monitoring of the Cisco WLAN infrastructureTurnkey, appliance based management solution

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Key FeaturesCentralized, template-based configuration of access points and bridges with user defined groupsAccess point and bridge misconfiguration alerts to minimize security vulnerabilitiesProactive fault and performance monitoring of access points, bridges, LEAP server, and attached switchIng. Jos Patio S.

Key Features (cont.)Access point utilization, summary, current & historical client association reports with XML, CSV, PDF data exportSecure HTML-based UIUpper-layer NMS/OSS integration via northbound trap, SYSLOGSystem & User Defined GroupsIng. Jos Patio S.

Managing the WLAN with WLSECan launch from CiscoWorks desktop or stand aloneManage to switch port (AP is attached to)Can collect SNMP informationUp to 500 access points (across any IP network)Build a templateIng. Jos Patio S.

Managing the WLAN with WLSE (cont.)Verify configuration across access pointsAlarm for configuration changeAlarm for misconfigurationCentralized template-based configurationConfiguration by groupsIng. Jos Patio S.

WLSE Value PropositionsReduces WLAN total cost of ownership by saving time and resources in configuring a large number of access points and bridges Minimizes wireless LAN security vulnerabilities by providing alerts for misconfigured access points and bridgesIng. Jos Patio S.

WLSE Value Propositions (cont.)Improves wireless LAN uptime by proactively monitoring wireless LAN infrastructure and LEAP authentication server Helps in wireless LAN capacity planning by identifying the most utilized access points Accelerates client problem troubleshooting by generating client association reportsIng. Jos Patio S.

Cisco Structured Wireless Aware NetworkIng. Jos Patio S.

Cisco Aironet Configuration Administration Tool (ACAT)Ing. Jos Patio S.

ACAT Installation OptionsIng. Jos Patio S.

Who is Wavelink?An industry leading developer of wireless solutions to deploy and manage wireless applications and infrastructure10+ years experience delivering industrial-grade wireless solutionsMore than 40,000 installations worldwideEnterprise-class solutions for Top Fortune 1000 CompaniesIng. Jos Patio S.

Mobile Manager AdvantagesCentralized management console for WLAN infrastructureElimination of individual access point configuration requirementsManageable mechanisms for maintaining WLAN privacy and access controlProactive event response optionsSingle interface to multi-vendor systemsIng. Jos Patio S.

Mobile Manager ArchitectureIng. Jos Patio S.

Mobile Manager ComponentsIng. Jos Patio S.

Mobile Manager PositioningMulti-vendor enterprise-wide wireless LAN managementEliminates the challenges around:Initial configuration costs of large numbers of wireless access pointsImplementing and maintaining wireless LAN security measuresWireless asset visibility and monitoringOn-going attention to updates and maintenanceIng. Jos Patio S.

Wavelinks Solutions vs. WLSEWavelinkMulti-vendor enterprise-wide wireless network managementMonitors APs and mobile client devicesProactively responds to error conditions with rules-based reasoningAutomatically upgrades or rolls back firmware on APs or mobile client devicesManage the entire wireless network from a central locationAutomatic discovery of APs and bridges with automatic configure capabilityWLSEWireless network management for Cisco networksMonitors APs, the attached switch/router and LEAP serverIdentifies error conditions, sends alertsManage up to 500 APs and bridges from a central locationProvides client association reportsAutomatic discovery of APs and bridges with option to automatically configureIng. Jos Patio S.

AirwaveThe AirWave Management Platform is a network management solution specifically designed for a multi vendor wireless networks. The AirWave Management Platform provides a central console from which IT can configure and monitor its entire WLAN infrastructure, across multiple campuses. The Platform can control from 25 to 500 hardware device from manufacturers, including Cisco, ORiNOCO (Agere/Proxim), Symbol, Intel, HP, Compaq, Dell, Avaya, and 3e Technologies International. Ing. Jos Patio S.

Other Management OptionsSNMP management devicesHP OpenView, Tivoli and NetViewMIB-II enabled WLAN devicesIng. Jos Patio S.

SummaryDemonstrate proficiency using TCP/IP utilitiesIdentify the common tools used to troubleshoot a wireless networkIdentify single point failures on a WLAN.Configure SNMP and Syslog loggingIdentify basic facts about CiscoWorks WLSE and ACAT tool.Identify facts about Wavelink Mobile Manager and Airwave.Ing. Jos Patio S.

*****************Proactive monitoring of access points, LEAP authentication servers, and switches connected to access points is critical to improving and ensuring WLAN uptime. Faults generated by the WLSE when performance degrades and when devices become overloaded allow network engineers to proactively solve potential problems with the WLAN before end-users experience becomes unbearable.The WLSE identifies the most utilized access points in a group in terms of throughput and client associations. Network administrators can use these data for capacity planning, to decide where performance is adequate and where it is inadequate and to prove return on investment for current WLAN deployment and to justify further investment.Network administrators need tools to accelerate client problem troubleshooting and the WLSE provides these tools. Client problem troubleshooting is accelerated for WLSE users with current and historical client association reports.

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