ENWLSD - Designing Cisco Enterprise Wireless Networks


The Designing Cisco Enterprise Wireless Networks (ENWLSD) v1.0 course gives you the knowledge you need to design Cisco® wireless networks. The course covers design specifics from scenario design concepts through the installation phase and into post-deployment validation.

This course will help you:
• Gain the knowledge you need to plan advanced designs of Cisco wireless products;
• Qualify for professional-level job roles in wireless networking;
• Prepare for the Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD) exam;
• This exam tests your knowledge of wireless network design, including site surveys, wired and wireless infrastructure, mobility, and WLAN high availability.

After you pass 300-425 ENWLSD:
• You earn the Cisco Certified Specialist – Enterprise Wireless Design certification;
• You satisfy the concentration requirement for the new CCNP Enterprise certification. To complete your CCNP Enterprise certification, pass the Enterprise core exam, Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR).

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Público Alvo

Professionals interested in design solutions using the Cisco Wireless portfolio and Cisco complementary services, like management and security. This course also helps prepare student to take the Implementing Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD) exam, which is part of the new CCNP® Enterprise.


After taking this course, you should be able to:
• Describe and implement a Cisco-recommended structured design methodology;
• Describe and implement industry standards, amendments, certifications, and Requests For Comments (RFCs);
• Describe and implement Cisco enhanced wireless features;
• Describe and implement the wireless design process;
• Describe and implement specific vertical designs;
• Describe and implement site survey processes;
• Describe and implement network validation processes.

This course prepare student for the Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD) exam.

Pré Requisitos

Before taking this course, you should have:
• General knowledge of networks;
• General knowledge of wireless networks;
• Routing and switching knowledge.

For reference only: either of the following combinations of Cisco courses can help you meet these prerequisites:
• Old trainings: Implementing Cisco Wireless Network Fundamentals (WIFUND) and Interconnecting Cisco Networking Devices, Part 1 (ICND1);
• New trainings: Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) and Understanding Cisco Wireless Foundations (WLFNDU).

Conteúdo Programatico

Course Introduction
Course Outline
Course Goals & Objectives

Module 1: Implementing a Structured Wireless Design Methodology

Part 1: Describe and implement a Cisco recommended structured wireless design methodology
Describe Importance of Planning Wireless Design with a Structured Methodology
Design Wireless Has Become Complex
From Coverage to Capacity
Evolution of Wireless Networking
Wireless Performance
Evolving Workspace
From Data and Email to Pervasive Applications
Application-Oriented RF Design
Describe Real-Time Applications
Evolving Trends in Mobile Devices
More Wireless Devices per User
Evolving User Experience
More Wireless Users per Network
Describe High-Density Wireless

Part 2: Cisco Structured Design Model
Describe the Cisco PPDIOO structured design model
Cisco Lifecycle Services Approach: PPDIOO
Cisco Design Guides and Cisco Validated Designs for Wireless Networks
Describe Cisco design guides and Cisco Validated Designs for wireless networks
Using Cisco Validated Designs
Deployment and Configuration Guides for WLAN Solutions and Products
Role of the Project Manager When Designing Wireless Networks
Describe the role of the project manager when designing wireless networks
Example Design Mobility: A Companywide Project
Describe Critical Path

Module 2: Implementing Industry Protocols and Standards

Part 3: Describe Wireless Protocol and Standards
Describe and implement industry standards, amendments, certifications, and RFCs
Describe the wireless standards bodies
Review History of Wireless
Describe Regulatory Bodies
Describe Effective Isotropic Radiated Power (EIRP)
Describe Radio Tower Regulations
Describe Regulatory Domains
Review IEEE Wireless Standards
Describe Wi-Fi Alliance
Describe Internet Engineering Task Force

Part 4: IEEE 802.11 Standard and Amendments
Describe the IEEE 802.11 standard and its amendments
Introduction to the IEEE 802.11 Organization
IEEE 802.11 and 802.11b Protocol
IEEE 802.11a Protocol
IEEE 802.11g Protocol
802.11b and 802.11g Coexistence
IEEE 802.11n and 802.11ac Protocols
SISO Technology
IEEE 802.11n Protocol
MIMO & Advanced Signal Techniques
802.11n and 802.11ac MAC Efficiency
IEEE 802.11ac Protocol
Spatial Stream Usage in 802.11ac
SISO, MIMO, and MU-MIMO Comparison
802.11n and 802.11ac Coexistence
IEEE 802.1X and Security
IEEE 802.11d World Mode
IEEE 802.11i Security
IEEE 802.11 Amendments: Improving Performance
IEEE 802.11k Client Roaming
IEEE 802.11v: Wireless Network Management
IEEE 802.11r: Fast BSS Transition
IEEE 802.11r Client Roaming with 802.11r
IEEE 802.11e QoS
IEEE 802.11 Management Protocols
IEEE 802.11h DFS and TPC

Part 5: WFA Certifications
Describe the WFA certifications
WPA, WPA2, and 802.11i Comparison
Wi-Fi Protected Access 2
WPA2 Authentication Modes
WPA2 Strengths and History
WPA2 Authentication Process
WPA2 Key Management
802.11i and WPA2 Key Hierarchy
Wireless Multimedia & Traffic Categories
EDCA Queues & Interframe Space
WFA and Voice Enterprise
WFA Protocol Name Changes

Part 6: Relevant IETF Wireless RFCs
Describe the relevant wireless IETF RFCs
CAPWAP and the Split MAC
Split MAC Architecture
CAPWAP Overview
802.1X and EAP
IEEE 802.1X and EAP over Wireless
802.1X, EAP, and the AAA Relationship
EAP Comparison
RFC 4594 and 8325 DSCP-to-UP Access Category Mappings

Module 3: Implementing Cisco Enhanced Wireless Features

Part 7: Describe and implement Cisco enhanced wireless features
Hardware and Software Choices for a Wireless Network Design
Describe how to choose the hardware and software for a wireless network design
Cisco Centralized Cisco WLCs
Centralized Architecture
Control and Provisioning of Wireless APs
Deploy Cisco WLCs in Any Form Factor for Campuses and Distributed Branches
Cisco Aironet Access Points: Indoor and Outdoor
Antenna Selection
Decibel Mathematics (dBm)
Decibel Referenced to an Isotropic Antenna (dBi)
Effective Isotropic-Radiated Power (EIRP)
RF Antenna Principles
Integrated Omnidirectional Antennas
High-Gain Omnidirectional Antennas
Directional Antennas
Highly Directional Antennas
Antenna Connectors
Lightning Arrestors

Part 8: Cisco Infrastructure Settings for Wireless Network Design
Describe Cisco infrastructure settings for wireless network design
VLAN Operation & 802.1Q Trunking
Mapping SSIDs to VLANs
Power over Ethernet & Cisco UPOE Use Case Examples
Impact of Bandwidth Requirements on Campus Design
Switch Capabilities Verification
Bandwidth and Cabling Considerations for a Campus Design
802.11ac Cabling: Guiding Principles
Power and Speed Recommendations
Introducing the Cisco Catalyst 9000 Platform

Part 9: Cisco Enhanced Wireless Features
Describe Cisco enhanced wireless features
Radio Resource Management
Flexible Radio Assignment
RF Groups & RF Group Specifications
Cisco CleanAir
Cisco ClientLink
Cisco BandSelect
Cisco Multicast
Cisco VideoStream
Cisco mDNS: Bonjour Gateway
Cisco Compatible Extensions
RX-SOP and Optimized Roaming
AP Groups
Introducing RF Profiles
Implementing RF Profiles
Interface Groups
Application Visibility and Control (AVC)
Define Wi-Fi QoS Capabilities and Considerations
VoIP over Wireless
Delay and Jitter
VoIP Requires a More Robust Wireless Network
Cisco WLCs and AP DSCP Processing
TSPEC Overview
Fastlane Overview

Module 4: Examining Cisco Mobility and Roaming

Part 10: Mobility and Intercontroller Mobility in a Wireless Network
Describe mobility and intercontroller mobility in a wireless network
Roaming Requirements
Layer 2 Roaming
Layer 3 Intercontroller Roaming
Client Roaming Optimization
Mobility Group and Mobility Domain
Configure a Mobility Group
Centralized Mode Roaming Design Considerations
Mobility Details & Messaging
Intracontroller Mobility Details
Intercontroller Mobility Layer 2 & Layer 3
Auto-Anchor Mobility
Optimize Client Roaming in a Wireless Network

Part 11: Describe how to optimize client roaming in a wireless network
Introduction to Client Roaming
Designing the Roaming Path
IEEE 802.1x and EAP
Security Mobility and Roaming
Cisco Compatible Extensions Roaming Support
Fast Roaming with CCKM
Standards-Based Roaming Support
IEEE 802.11k: Radio Resource Management
IEEE 802.11v: Wireless Network Management
Apply Security to Wireless Roaming
Fast Secure Roaming: History
IEEE 802.11r Fast BSS Transition

Part 12: Describe WGBs and WGB roaming in a wireless network
Workgroup Bridges
Cisco Workgroup Bridges
Configure a WGB for Roaming
Configure a WGB for High-Speed Roaming

Part 5: Describing and Implementing the Wireless Design Process

Part 13: Describe and implement the wireless design process
Describe the implementing wireless network design process
New and Upgrade Designs
New Designs: Effect on Parallel Design
Upgrade Designs & Customer RF Issues
How Identify Primary Customer Stakeholders and Their Effect on the Design
How Identify Decision Makers and Their Effect on the Design
Determine Project Teams

Part 14: Meet with the Customer to Discuss the Wireless Network Design
Describe meeting with the customer to discuss the wireless network design
Describe Customer Meeting
Customer Information Gathering for a Wireless Network Design

Part 15: Describe how to gather customer information for a wireless network design
Initial Site Walkthrough: Walk Through the Facility
Describe RF Spot Checks
Simple Tools Used for RF Spot Checks
Advanced Tools Used for RF Spot Check
Outdoor Environments
Indoor Building Characteristics
Manage Difficult Areas
Wired Requirements for Wireless Infrastructure
Review Customer Network Architecture
Power over Ethernet
Buildings and Floor Plans for All Areas
Aesthetic Requirements
Building Material Attenuation
Building Floor Plan & Multifloor Environment
Wi-Fi Device Support
Customer Questionnaires
Presurvey Specification Document
Statement of Work

Part 16: Design the Wireless Network
Describe how to design a wireless network using design tools and the gathered customer
Kickoff Meeting
Presite Survey Checklist
Obtain Floor Plans Prior to Survey
Site Survey Deliverables
Site Survey Report

Part 17: Deployment of the Wireless Network
Describe how to deploy the wireless network
AP Placement and Roaming
Wall Mount APs with Internal Antennas
Wall Mount APs with External Antennas
Mount APs in Stadiums and Harsh Environments
Mount APs for High-Density Environments
Side Mounting, Front and Rear Mounting
Underseat Mounting
Underfloor Mounting

Part 18: Validation and Final Adjustments of the Wireless Network
Describe how to validate and make final adjustments to the installed wireless network
Post deployment Site Survey
Describe the wireless network design project documents and deliverables
Documentation Types
Analyze Gathered Documents

Module 6: Implementing Specific Vertical Designs

Module 19: Describe and implement specific wireless network vertical designs
Designs for Wireless Applications
Describe how to evaluate the design requirements for various applications
Wireless Data Network Considerations
Understand the Network Requirements
Signal Planning
AP and Client Power Levels
RRM Technology
Voice and Video Design
Call Capacity for Wireless
802.11n/ac Wireless Deployment Guidelines
Roaming Considerations
IEEE 802.11k: RRM
IEEE 802.11v: Wireless Network Management
IEEE 802.11r: Fast BSS Transition
Wi-Fi QoS Capabilities and Considerations
Real-Time Applications Require a More Robust Wireless Network
Real-Time Application AP Antenna Selection

Part 20: Wireless Network Design Within the Campus
Describe wireless design within the campus
Performance Requirements for Enterprise Office Devices
Enterprise Office Environment
Small Office and Remote Office
Wireless in Retail
Hotels and Hospitality
Transportation and Travel
New Warehouse

Part 21: Extend Wireless Networks to the Branch Sites
Describe a design that extends wireless networks beyond the campus to the branch sites
Cisco FlexConnect
Cisco FlexConnect Groups and Cisco CKM OKC
Central and Local Authentication: Connected Mode
Central Authentication: Standalone Mode
Wireless Client Operation
Cisco FlexConnect Smart AP Image Upgrade

Module 7: Considerations in Advanced Wireless Designs

Part 22: High-Density Designs in Wireless Networks
Describe high-density designs in wireless networks
More Wireless Users per Network
AP and Client Power Levels
Power Levels and Client Density
Signal Power vs. Coverage
Cell Size Depends on Protocol and Rates
Cell Overlap
Building Example with Multiple Floors (Capacity)
AP Density Guidelines
Signal Power vs. Coverage
Enterprise WLAN Coverage and Capacity
SSID and Channel Design
Segmentation of the Wireless Network by SSID
Developing an SSID Design Plan
WLAN Support Requirements
Channel Availability, Capacity, and Cochannel Interference
Calculating Capacity
Average Throughput by Protocol
RX-SOP Detection Threshold
Optimized Roaming

Part 23: Introducing Location and CMX Concepts
Understand location and CMX concepts
Cisco CMX Location Analytics Overview
Enabling Cisco CMX Location Analysis
Locating Relevant Content
Custom Analysis Capabilities via API
Cisco CMX Components
Location Services Topology
Cisco Adaptive Wireless IPS
Monitoring Cisco Adaptive wIPS
Cisco Context-Aware Software
Example: Visualize Client Activity
Analytics for Small Sites
Examples: Presence Analytics Use Case
Cisco CMX Location Fundamentals
Factors Affecting Location Accuracy

Part 23: Design for Location
Cisco CMX and Location Design
AP Placement Considerations
Minimum Device Tracking Requirements
Relationship Between RSSI and Distance
Location-Aware AP Deployment
Expected Accuracy Examples
AP Deployment Considerations
Location, Voice, Video, and Data Coexistence
Best Practices
Cisco CMX Guest Access
Location-Specific Guest Access
Cisco CMX Visitor Connect
Cisco CMX Facebook Wi-Fi
Web Pass-Through WLAN Required
Cisco CMX Guest Onboarding Capacity Guidelines
Uplink and Bandwidth Capacity
Flexible Cisco MSE Deployment Options
Cisco MSE and Cisco CMX Licensing
Common Challenges and Solutions
Recommended Best Practices for Scaling with a Large Number of Mobile Clients
Cisco Wi-Fi-Based Location Process

Part 24: FastLocate and HyperLocation
Describe location and hyperlocation in a wireless network design
Location Using Mobile Device Probing Is Delivering Diminishing Returns
Advantage of Packet RSSI Location
Cisco CMX FastLocate in Operation
Cisco Hyperlocation Solution

Part 25: Bridges and Mesh in a Wireless Network Design
Describe bridging and mesh in a wireless network design
Outdoor Environments
Outdoor Wireless for Campuses, Municipalities and Transportation
Outdoor Wireless Bridges
Outdoor Mesh Networks
Mesh Components
Outdoor Network Design
Multipath Environment
External Interference Sources
Line-of-Sight Transmissions
Fresnel Zone Clearance
Mesh Design & Wireless Mesh Networking
Mesh Backhaul Security
AWPP Scanning with 802.11h
Indoor Mesh Environment
Outdoor Mesh Environment
Bandwidth and Number of Hops
Practical Mesh Coverage Models
Mesh AP Placement
Lightning Damage
Antenna Mounting Issues
Antenna Colocation: Performance Implications
Examples of Good Implementations
Part 26: Redundancy and High Availability in a Wireless Network
Describe redundancy and high availability in a wireless network
LAG Configuration
Cisco WLC Redundancy with Catalyst VSS
Port-Based Redundancy
Controller Redundancy Designs
AP Failover Process
AP Fallback
Controller High Availability
Wi-Fi High Availability with AP and Client SSO
Failover Process and Topology

Module 8: Describing and Implementing the Site Survey Processes

Part 26: Describe and implement site survey processes
Describe the different types of site surveys
Foundational Site Survey Types
Site Survey Types
Select Appropriate Adapters
Spectrum Analysis
Describe the Purpose of Predictive RF Planning and Its Tools
Use Predictive Site Surveys
Building Material Attenuation
Predictive WLAN Design Tools
Cisco RF Planning Tool in Cisco Prime Infrastructure
Third-Party Tools
Site Survey Tools
WLAN Site Survey Process Overview
Initial Walkthrough
Predeployment Site Survey: Passive Site Survey
Predeployment Site Survey: Active Site Survey
Survey with Correct Equipment
Site Survey Today vs. Five Years Ago
Use Reports to Build a Customer Deliverable

Part 27: Special Arrangements Needed for Site Surveys
Describe how to make the special arrangements that are needed for site surveys
Survey Preparation
Building Access
Restricted Areas
Building Construction Consideration
Resource Planning
Finalize Logistical Considerations
Projected Time for a Survey
Travel Considerations
Security Clearance
Badge Access

Part 28: Safety Aspects to be Considered During Site Surveys
Describe the safety aspects to consider during site surveys
Safety Considerations, Access, and Environmental Factors
Warehousing and Distribution
Rail Yards
Outdoor RF Awareness
RF Hazard Awareness
FCC Safety Rules
Hazardous Areas Are Posted
Personal RF Monitors

Part 29: Site Survey Tools in Cisco Prime Infrastructure
Describe the site survey tools that are available in Cisco Prime Infrastructure
Cisco RF Planning Tool in Cisco Prime Infrastructure
Cisco Prime Infrastructure RF Planning
Use Cisco Prime Infrastructure for Survey Data
Spectrum Analysis Tools
RF Spectrum Analysis: Cisco Spectrum Expert
Cisco Prime Infrastructure Planner Reporting

Part 30: Third-Party Site Survey Software and Hardware Tools
Describe third-party site survey software and hardware tools
Ekahau Pro
MetaGeek Chanalyzer

Module 9: Implementing Wireless Network Validation Processes

Part 31: Describe and implement wireless network validation processes
Postinstallation Wireless Network Validation
Describe postinstallation wireless network validation
Postdeployment Survey
Active Survey: ICMP vs. iPerf
Validating Project Requirements
Ekahau Pro Survey Inspector

Part 32: Making Postinstallation Changes to a Wireless Network
Describe how to make postinstallation changes to a wireless network
Prepare Recommendations and Adjustments
Recommended Management Tools for Ongoing RF Analysis
Describe the wireless network handoff process to the customer

Part 33: Document the Final Design
Installation Report Contents
Cisco Prime Infrastructure Inventory Report
Describe the information that is given to the customer in an installation report

Labs Outline
Lab 1: Review Cisco Enhanced Wireless Features
Select appropriate Cisco enhanced wireless features for different installations

Lab 2: Design a Wireless Network
Simulate a wireless design using the wireless design process

Lab 3: Design a Wireless Network for a Specific Vertical
Design wireless networks based on customer requirements

Lab 4: Design a Wireless Network That Extends Beyond the Campus (ILT output)
Design a wireless network for a customer with multiple branch site requirements

Lab 5: Use Cisco Prime Infrastructure as a Design Tool
Use Cisco Prime Infrastructure to create a predictive design

Lab 6: Create a Predictive Site Survey with Ekahau Pro
Use the Ekahau Site Survey tool to create predictive surveys for various designs

Lab 7: Review a Live Site Survey Using AP on a Stick
Use the Ekahau Site Survey tool to simulate a site survey using an AP-on-a-stick design

Lab 8: Simulate a Postinstallation Network Validation Survey
Validate the network installation to ensure that it matches the project goals