BRKEWN-2069
Managing an Enterprise WLAN with Cisco Prime Network Control System (NCS)
www.ciscolivevirtual.com
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Public BRKEWN-2069 2
Agenda
Understanding the need for Prime NCS
Cisco Prime Network Control System (NCS)
Cisco Prime NCS 1.1 deep dive
Network Configuration
Design & Planning
Autonomous AP Support
Identity Services Engine
Scalability, Deployment Options and Services
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Addressing Management and IT Challenges
Network complexity
Manual changes
Where to start?
What to configure?
Which services?
Maintenance plan
Troubleshooting
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Influx of Mobile Devices Creates IT Challenge
IT Consumerization: Now a Reality
ORGANIZATION
TIME
Smartphone adoption is
growing at 50%+ annually*
By 2015, tablets will constitute
50% of laptop sales**
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The User to Device Ratio Has Changed
IT Resources Stay The Same Fixed User
• Wired access
• One user: One device
Mobile User • Wireless access
• One user: Local devices
Borderless User • Anytime, Anywhere access
• One user: Many devices
Access Evolution Late 90’s Early 90’s Today
Effectively support users
with box management Need for policy & control
Need for operational
efficiency
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What is Cisco Prime
A strategy for innovative management
Supports enterprise and service providers
Integrated lifecycle management across Cisco architectures and technologies
Simplified and predictable network management
Increased operations efficiencies
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Network
Endpoints
Cisco Prime for Enterprise Product Portfolio
Unified Management Across Architectures, Networks, and Services
Services
NCS LMS
CM • Cisco Prime Network Control System (NCS)
• Cisco Prime LAN Management Solution (LMS)
• Cisco Prime Collaboration Manager (CM)
• Cisco Prime Network Analysis Module (NAM)
• Cisco Prime Infrastructure 1.1 (NCS + LMS4.2)
NAM
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What is Network Control System (NCS)?
Single platform for consolidated view of wired and wireless access infrastructure and endpoints
Built on the foundation of Cisco WCS, provides complete lifecycle management of wired and wireless access networks
Provides monitoring of endpoint security policy integration with Cisco Identity Services Engine (ISE)
All existing functionality in WCS is supported in NCS
Simplified and predictable network management
Lowers total cost of ownership
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Enhanced User Experience
Information architecture: Seamless navigation and workflows align to tasks
Modern interaction behavior: Maintains context while performing network management tasks
Smart tables & advanced filtering: Quickly view additional information without leaving the workflow
Ever-present alarm views & browser: Always-on visibility to potential end-user problems to speed remediation
Designed to Work With How IT Approaches Problems
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Single Integrated User and Access Dashboard
• Flexible platform: Accommodates new and experienced IT administrators
• Simple, intuitive user interface: Eliminates complexity
• User-defined customization: Display the the most relevant information
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Unified User and Endpoint Services
Correlated and focused wired / wireless client visibility
Client health metrics
Client posture & profile
Client troubleshooting
Client Reporting
Unknown device ID input
Clear view of the end-user Landscape Who is connecting Using which device Are they authorized
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Comprehensive Wireless Lifecycle Management
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Wired & wireless discovery and inventory
Add / detect infrastructure devices such as switches, WLAN controllers and access points
Comprehensive access infrastructure reporting
View the access infrastructure as a whole or as discrete technologies
Stolen asset notification
Track when devices presumed stolen come back online
Integrated Access Infrastructure Visibility
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Controllers & AP’s
Configuration of controllers, AP's and other managed devices are performed using the configure Tab
Devices added to NCS populate templates and dynamically populate NCS with information on associated AP's and fields like RRM clients etc.
Discovery and learning of Devices
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Discovery and learning of Devices
Controllers can be discovered individually or using CSV, Zip file formats
Any AP’s associated to the respective controllers are auto detected and loaded into the NCS database.
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Autonomous
Adding Autonomous AP's same format as adding Controllers
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Wired
Adding Switches is also the same format as adding a Controller
Devices supported and possible functions can vary depending on IOS version.
Most Cisco Catalyst 2960, 2975, 3560, 3750 running [IOS12.2(50) SE], 4500 on [IOS12.2(50) SG] and 6500 series running [IOS12.2(33) SXI] or higher
Note! For Context aware services read/write community access is required.
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Configuration—Auditing Easy way to identify configuration gaps
between WCS or NCS and WLC
Manual on-demand audit capability
Automatic audits based on “configuration sync” background task
Allows easy reconciliation in the event of a configuration mismatch
Helps ensure WLCs comply with configuration policies
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Quick Audit Summary and Reconciliation
Audit Summary
Restore or Maintain Config
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Audit Settings Audit Settings
Audit Mode
Basic Audit: Perform an audit on current WLC configuration and compare it with the configuration in NCS
Template-Based Audit: Perform an audit on current WLC configuration with respect to applied templates, config groups’ background templates and then the configuration in NCS
Audit On
All Parameters: Audit on entire WLC configuration
Selected Parameters: Audit on selected parameters from the templates
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Configuration—Auto-Provisioning What is Auto-Provisioning?
Ability to automatically detect and configure new WLCs (locally or at remote sites)
Allows detection based on multiple criterion: Hostname, MAC Address or Serial number (.cfg file on TFTP server)
Adds WLC to NCS for further configuration after provisioning
When Would You Use It?
Large distributed deployments
Limited IT resources
Streamline operations and eliminate configuration mismatches
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Controller Auto-Provisioning
Monitor Only: Controllers matched by this filter
will not be configurable by NCS in the auto
provision process
Filter Mode: Choose from hostname, MAC Address
or Serial number to match the WLC
Config Group Name: Add the auto-provisioned
WLC(s) to their own config group for
easier management since these might share
common policies Input Device: Select from single or multiple devices
to provision. Selecting CSV option provides a link to
download a sample file to understand the syntax.
Device Configuration: Other device parameters
that can be configured at this stage.
After hitting “Submit”, the filter is saved with one entry
for the “member” you just added. At this point, you may
add other members (WLCs) to this filter as well. This
filter also creates a WLC config file in NCS’s TFTP
directory. Ensure your DHCP server’s option 150
points to NCS Server
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Scheduled Image Download to Controller
• Provides option to schedule software
download (FTP/TFTP) to controllers.
• Task can be saved for future scheduling.
• Reboot can be scheduled at a future
date/time.
• Email notification can be sent after
completion of download.
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Scheduling AP Pre-Image Download
• Provides option to schedule image
download to AP.
• Reboot can be scheduled at a future
date/time.
• Email notification can be sent after
completion of download.
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Design & Planning
Map Layout
Buildings, Floors
Map Editor
Real-time Heatmaps
User Density not evenly distributed
Public Venue differs to higher education
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• Eliminate improper RF designs and coverage problems
• Built-in tools perform site-surveys, RF reassessments and RF readiness evaluation
Planning
Integrated Planning Tool
– Import floor plans from 3rd-party tools
– Configure access point placement, coverage, and other variables
– Generate equipment proposal
Hierarchical Maps
– Design multiple buildings, floors, regions
Location and Voice Readiness Tools
– View performance and coverage estimates
Easily Visualize the Ideal RF Environment
Planning Tool
Instant Access
to Tools Hierarchical Maps
RF Prediction Tools Assist in Designing Optimal WLANs
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Planning—Overview
Launching the Planning and Editing Tools
Create a new Campus/Building
Create a floor plan
Pick “Planning Mode…” from the drop-down menu
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Planning Mode – High Level Options
Planning Mode—High-Level Options
Add AP: Allows adding new Access Points to the Map
Delete AP: Remove existing Access Points from the Map
Map Editor: Edit the floor plan to draw objects such as light/thick walls, light/heavy doors, cubicles, glass, coverage areas, perimeters, markers, etc.
Synchronize with Deployment: Pull in currently deployed and placed Access Points on the floor to tweak existing deployment
Generate Proposal: Generates a document that maybe provided to a 3rd party deployment company; additionally, also provides various heatmaps
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Planning Tool—Map Editor
Accounts for objects and obstacles on a floor plan
Scaling for a precise RF propagation model display
Attenuation characteristics for objects also obstacles help predictive engine
Helps specify areas and regions such as:
Coverage Area and Markers
- used for location notifications
Perimeter
- defines the outer boundary
Location Inclusion, Exclusion Regions and Rails
- used for location events and notifications
Objects and obstacles that may be specified:
Walls (Light and Heavy) 2dB and 13dB
Cubicle (Walls) 1dB
Doors (Light and Heavy) 4dB and 15dB
Glass (doors, windows, walls) 1.5dB
!
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Planning Select Map Properties
Wireless Planning layout
Add obstacles like high attenuating walls lifts etc.
AP types, antenna etc.
Examples
AIR-ANT2410Y
AIR-ANT2422DG
Scaling, Orientation, Azimuth and position are all important parameters
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Planning Tool—Options
Specify AP Prefix and AP Placement
method (automatic vs. manual)
Selecting AP type determines the
antenna choices available for both the
2.4GHz and 5GHz band Select the protocol (band) and
minimum desired throughput per band
that’s required for this plan
Data and Voice provide “safety
margins” for design help. Safety
margins help design for certain RSSI
thresholds (detailed in online help).
Enable planning mode for advance
options for data, voice, location and
others
Location typically requires a denser
deployment than data and the location
checkbox helps plan for the advertised
location accuracy
Location with monitor-mode factors in
AP(s) that could be deployed to
augment location accuracy
Both the “Demand” and “Override…”
options allow for planning for any
special cases where there’s a high-
density of client presence such
conference rooms or lecture halls
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Planning Tool—Customize Plan
Clicking an AP in the
plan allows
customization
(added, deleted or
simply modify
properties) before
a proposal may
be generated
Default suggestions after running
the planning tool present AP
deployment choices and ability to
switch between data and signal
strength heatmap
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Planning Tool—Proposal
Proposal Contents:
Floor Plan Details
Disclaimer/Scope/Assumptions
Proposed AP Placement
Coverage and Data Rate Heatmap
Coverage Analysis
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Importing Planning designs
WCS 7.0x or NCS 1.0 onwards supports 3rd party planning tools and Site Survey imports for single or multi-floor structures
RF design completed using external application adding RF losses and known criteria
AP positioning calculated on RF propagation and known signal characteristics of antenna and AP models
Actual AP positioning from Site Survey data can also be directly imported into NCS.
Floor plans, AP coordinates and configuration, RF calibration and planning information can be exported to a tar file and imported into NCS, an entire Campus or individual components can selected when performing these tasks.
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Maps Layout
Hierarchical Layout
for easy navigation
Default View of Campus, Buildings,
and Floors can be easily changed with
the “Quick Filters”
Building view provides a quick glance
in to floors’ status and alarm summary
for easier troubleshooting
Adding Campus or Buildings are made easy
with the drop-down menu actions through an
easy wizard that walks you through
provisioning floor plans and APs
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Commonly used map
actions are ever-present
in icon format
Display and locate
interference
sources and zone
of interference
Maps Layout—Floor View
Quickly Add/Remove Layers
that may be placed on the floor
plan and heat maps
Mouse-over on objects on the
map provides quick object
summaries
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NCS Map Export/Import
• Provides ability to export maps from one
NCS to target NCS.
• Can select all maps or subset.
• Export/import of map includes both map and
AP’s placed on MAP.
• Exported via tar gzipped XML file.
• Import process ungzips/untars XML file
automatically.
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NCS Real-Time Heatmaps NCS Provides:
AP-to-AP RSSI measurements reflected in heatmaps
Option for selecting between dynamic (real-time) or predictive heatmaps
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Real-Time Heat Maps + Rx Neighbors
Provides list of neighboring AP’s and RSSI value that they “hear” the
selected AP
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Monitoring Autonomous APs
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Autonomous AP Reports
Provides visibility into operation of aIOS AP’s
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Autonomous Clients
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Standalone Access Point Monitoring and Migration
Fault monitoring, Configuration, Reporting of standalone (autonomous) access points
Monitor all Cisco IOS®-based Cisco Aironet standalone models
Monitor Integrated Services Router access points 800, 1900, 2900, and 3900 series
Easily upgrade and migrate Cisco Aironet standalone access points (individually or as groups)
Migrate Standalone Access Points
aIOS
aIOS
aIOS
CAPWAP
WLAN Controller
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NCS and ISE Integration
NCS leverages ISE API for posture assessment and report generation
Ability to drill-down to an individual client-level security details
Ability to troubleshoot client connectivity issues
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NCS + ISE: Client Posture and Profiling
ISE determines client to
be Microsoft
Workstation based on
device fingerprinting
Client authenticated
using 802.1x via ISE
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Client Troubleshooting: Wireless Client
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Client Troubleshooting: Wired Client
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ISE Troubleshooting Tools
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ISE Integrated Troubleshooting Audit Network Device Configuration
Is my switch properly configured to
support AAA and other ISE services
including Posture, Profiling, and
Logging?
Are my switchports properly
configured to support 802.1X, MAB,
and Web Authentication per Cisco
best practices?
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ISE Alarms Predefined and custom alarm settings
Schedule-based – Non-stop (any time) or per custom day/time range
Visual notification from every page in ISE UI with quick drill-down
Send notifications externally via Syslog or email.
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Scaling Complete lifecycle management of hundreds of wireless LAN controllers from
a centralized location
Rich monitoring and troubleshooting for Cisco Catalyst Switches
Visibility into key performance metrics – interface ports, endpoints and users and switch inventory
Device WCS Devices
Supported
NCS Devices Supported
Cisco Lightweight Access Points 3,000 15,000
Cisco Wireless LAN Controllers 750 1200*
Cisco Autonomous Access Points 1,250 5,000*
Cisco Switches 0 5,000
* No licensing count
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Physical Appliance Virtual Appliance
Hardware and software (OS and NCS pre-installed)
from Cisco
VMware image (OS + NCS)
Supported on:
•VMware ESX/ESXi version 3.5
•VMware ESX/ESXi version 4.1
15,000 lightweight AP’s
5,000 aIOS AP’s
5,000 switches
Large: 15K/5K/5K
Medium: 7.5K/2.5K/2.5K
Small: 3.5K/1K/1K
Cisco hardware appliance
•Not supported on WLSE hardware
High-end: 8x2.93GHz CPU/1GB DRAM/300GB HD
Standard: 6x2.93 GHz/14 GB/200 GB
Low-end: 4x2.93 GHz/8 GB/150 GB
Appliance-Based Solution
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Diagnostic Tools
Client Analysis
Wired & Wireless
Virtual Domains
Location Tools
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Client Troubleshooting Tool
An easy way to identify client-related issues from within NCS, without the need for extensive WLC debugs
Look at the client’s current state (and at what stage of the connection they might be having issues at)
Allows for real-time troubleshooting and log retrieval from the WLC
Allows for looking up historical, and relevant client and AP events
Allows integration with ACS View Server for authentication log retrieval
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Client Troubleshooting Tool (contd..)
But, first things first—common problems:
Watch out for misconfigured clients (common areas are WLAN profile settings, authentication and encryption settings, and any advanced extensions that might not be required
Ensure WLC settings match the provisioned client profiles (security, SSID broadcast, WLAN override, etc.)
Ensure data rate settings on the WLC (Mandatory, Supported and Disabled rates)
Look for client exclusion settings (easy way to find excluded clients is via the ‘quick filter’ in “Monitor—Clients” page
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Client Troubleshooting—Launch Points
Multiple Launch points
to initiate client
troubleshooting tool
allows for diverse
workflow integration
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Client Troubleshooting—Examples
Identify whether the problem
occurs at 802.11 or higher layers
Suggestions on where to look and how to
potentially resolve the error condition(s)
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Client Troubleshooting—Examples
Provides visibility into logs, event
history, and related CleanAir
information
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NCS: Wired Client Troubleshooting
Client connectivity
status/issues
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Unknown Users
Assign username to client on network not
authenticated via ISE.
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Virtual Domains What They Are (or do) What They’re Not (or don’t do)
Quick way to partition NCS objects Not necessarily a complete replacement for RBAC (for
example, via TACACS+)
Allows users to be mapped to separate virtual domains at
the time of creation
If none specified, users are added to the “root” virtual
domain by default
Separate Reports, Controllers, Access Points, Search,
Templates, Config Groups, Alarms and other objects
Don’t separate Google Earth Maps, Auto-Provisioning,
MSEs, and Ethernet Switches
Objects may be assigned to multiple domains at the same
time
Avoid changing configurations from multiple domains
management simple
“root” domain is a superset of all sub-domains Not all objects are available at the “root” level – objects
such as Search and Reports are domain specific
Only the “root” domain may configure location, and any
other email notifications
For more caveats, visit:
http://www.cisco.com/en/US/docs/wireless/wcs/5.2/config
uration/guide/5_2virtual.html
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Location Accuracy Tool—Example
Determine Accuracy Probability,
Correct Deployment
Test with Clients, Tags,
Exciters
Schedule Accuracy Tests
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Section Agenda: Reporting
Report LaunchPad
Report Customizations
Multi-Level Filtering
Customizing Report Output
Multi-Level Sorting in Report Output
Report Scheduling
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Report LaunchPad
Callouts – Report
Descriptions
Report LaunchPad – Easy
Drill-Down
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Report Customization
Multi-Level
Filters
Customized Reports
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Graphical Report Content
Graphical Reporting
Graphical Summaries
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NCS + ISE: Report Cross-Launch
New set of reports
launched from NCS
cross-launches reports
in ISE.
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NCS + ISE: Report Cross-Launch
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Spectrum Analysis
Integration into NCS Prime
Configuration
Spectrum Expert
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Spectrum Analysis NCS Direct Launch
CleanAir status and icon
representing Spectrum
Expert support
Clicking on Icon launches SE
application installed on local PC
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Spectrum Expert
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Key Takeaways
Wired/wireless access – infrastructure and
endpoints – need to be managed together
WCS and NCS provide full lifecycle
management
NCS builds on the features/functionality of WCS
and adds wired management
Easy migration from WCS to NCS – both
platform and learning curve
© 2012 Cisco and/or its affiliates. All rights reserved. Cisco Public BRKEWN-2069 80
Helpful Links
Cisco Prime Network Control System (NCS) Datasheet
http://www.cisco.com/en/US/prod/collateral/wireless/ps5755/ps11682/ps11686/ps11688/data_sheet_c78-650051.html
NCS Learning Modules
http://www.cisco.com/en/US/products/ps11686/tsd_products_support_online_learning_modules_list.html
TACACS+ Configuration Example
http://www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a0080851f7c.shtml
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