Transcript Troubleshooting, Management, Monitoring, and Diagnostics

© 2003, Cisco Systems, Inc. All rights
© 2003,
reserved.
Cisco Systems, Inc. All rights reserved.
FWL 1.0—11-1
1
Module 11
Troubleshooting, Management, Monitoring, and Diagnostics
© 2003, Cisco Systems, Inc. All rights reserved.
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Overview
This 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.
© 2003, Cisco Systems, Inc. All rights reserved.
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Learning Objectives
•Demonstrate proficiency using TCP/IP utilities
•Identify the common tools used to troubleshoot
a wireless network
•Identify single point failures on a WLAN.
•Configure SNMP and Syslog logging
•Identify basic facts about CiscoWorks WLSE
and ACAT tool.
•Identify facts about Wavelink Mobile Manager™
and Airwave.
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Key terms
• Deductive Reasoning
• Inductive Reasoning
• Sniffers
• Spectrum Analyzer
• Cable Analyzer
• Gauss Meter
• Syslog
• SNMP
• WLSE
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General Approach to
Troubleshooting
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Logic Methods
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Problem Solving Model
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Routed and Routing Protocols
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ISO
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IOS Network Management Model
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IOS Network Management Model (Cont)
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OSI Troubleshooting
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TCP/IP and OSI Comparison
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Troubleshooting Layers
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TCP/IP Diagnostic Tools
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Diagnostic Tools
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Multimeter
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Cable Meter
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Hardware Sniffers
Fluke Networks
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Berkeley Varitronics Systems
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Software Sniffers
http://www.personaltelco.net/index.cgi/WirelessSniffer?action=show&redirect=WirelessSniffers
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Spectrum Analyzer
Anritsu
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Tektronix
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Gauss Meter
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Cable and Antenna Analyzer
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WLAN Troubleshooting
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Firmware
AP or Bridge
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ACU Version and NDIS Drivers
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Configuration
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AP and Bridge LEDs
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NIC LEDs
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System Message Logging
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Event Log Page
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Event Log Configuration Option Page
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Enable and Define a Syslog Server
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Configure Logging via IOS CLI
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SNMP Architecture
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Configure SNMP via GUI
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Configure SNMP via CLI
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Syslog and SNMP Applications
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WLAN Management Solutions
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Enterprise Network Inclusion of Wireless
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Enterprise Topology with WLAN Access
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Wireless LAN Challenges
The lack of effective management has
inhibited the growth of large-scale wireless
networks due to . . .
• The challenge of configuring hundreds or
thousands of access points
• Security risks opened up by mis-configurations
• Lack of sufficient tools for trouble shooting,
performance analysis and capacity planning
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CiscoWorks WLSE Product Summary
Specialized application for
managing the Cisco WLAN
Centralized configuration of
large deployments of Cisco
APs
Security policy and
fault/performance monitoring
of the Cisco WLAN
infrastructure
Turnkey, appliance based
management solution
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Key Features
Centralized, templatebased configuration of
access points and
bridges with user defined
groups
Access point and bridge
misconfiguration alerts to
minimize security
vulnerabilities
Proactive fault and
performance monitoring
of access points, bridges,
LEAP server, and
attached switch
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Key Features (cont.)
Access point utilization,
summary, current &
historical client
association reports with
XML, CSV, PDF data
export
Secure HTML-based UI
Upper-layer NMS/OSS
integration via northbound
trap, SYSLOG
System & User Defined
Groups
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Managing the WLAN with WLSE
Can launch from CiscoWorks desktop or
stand alone
Manage to switch port (AP is attached to)
Can collect SNMP information
Up to 500 access points (across any IP
network)
Build a template
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Managing the WLAN with WLSE (cont.)
Verify configuration across access points
Alarm for configuration change
Alarm for misconfiguration
Centralized template-based configuration
Configuration by groups
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WLSE Value Propositions
Reduces 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 bridges
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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 reports
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Cisco Structured Wireless Aware Network
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Cisco Aironet Configuration Administration
Tool (ACAT)
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ACAT Installation Options
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Who is Wavelink?
An industry leading developer of wireless
solutions to deploy and manage wireless
applications and infrastructure
10+ years experience delivering industrialgrade wireless solutions
More than 40,000 installations worldwide
Enterprise-class solutions for Top Fortune
1000 Companies
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Mobile Manager™ Advantages
Centralized management console for WLAN
infrastructure
Elimination of individual access point
configuration requirements
Manageable mechanisms for maintaining
WLAN privacy and access control
Proactive event response options
Single interface to multi-vendor systems
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Mobile Manager™ Architecture
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Mobile Manager™ Components
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Mobile Manager™ Positioning
Multi-vendor enterprise-wide wireless LAN
management
Eliminates the challenges around:
• Initial configuration costs of large numbers of
wireless access points
• Implementing and maintaining wireless LAN
security measures
• Wireless asset visibility and monitoring
• On-going attention to updates and maintenance
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Wavelink’s Solutions vs. WLSE
Wavelink
Multi-vendor enterprise-wide
wireless network management
Monitors APs and mobile client
devices
Proactively responds to error
conditions with rules-based
reasoning
Automatically upgrades or rolls
back firmware on APs or mobile
client devices
Manage the entire wireless
network from a central location
Automatic discovery of APs and
bridges with automatic configure
capability
© 2003, Cisco Systems, Inc. All rights reserved.
WLSE
Wireless network management for
Cisco networks
Monitors APs, the attached
switch/router and LEAP server
Identifies error conditions, sends
alerts
Manage up to 500 APs and bridges
from a central location
Provides client association reports
Automatic discovery of APs and
bridges with option to
automatically configure
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Airwave
The 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.
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Other Management Options
SNMP management devices
• HP OpenView, Tivoli and NetView
• MIB-II enabled WLAN devices
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Summary
• Demonstrate proficiency using TCP/IP utilities
• Identify the common tools used to troubleshoot a
wireless network
• Identify single point failures on a WLAN.
• Configure SNMP and Syslog logging
• Identify basic facts about CiscoWorks WLSE and ACAT
tool.
• Identify facts about Wavelink Mobile Manager™ and
Airwave.
© 2003, Cisco Systems, Inc. All rights reserved.
FWL 1.0—11-61
© 2003, Cisco Systems, Inc. All rights reserved.
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