Advanced Enterprise Wi-Fi 6/6E/7 Engineering,Design, Security & Troubleshooting Masterclass

RF Engineering • 6 GHz • Wi-Fi 7 MLO • Enterprise Security • Ekahau Design • Troubleshooting • AI-Assisted Analysis

หลักสูตรระดับ Professional Masterclass สำหรับผู้ที่ต้องการออกแบบ ติดตั้ง ปรับแต่ง รักษาความปลอดภัย ตรวจวัด และแก้ไขปัญหาระบบ Enterprise Wireless LAN สมัยใหม่ ตั้งแต่ Wi-Fi 6, Wi-Fi 6E ไปจนถึง Wi-Fi 7 โดยมุ่งเน้นกระบวนการทำงานแบบ Wireless Engineer ที่สามารถนำไปใช้จริงในองค์กร ไม่จำกัดอยู่เพียงการตั้งค่า Access Point หรือ Controller เท่านั้น

เครือข่ายไร้สายยุคใหม่ไม่ได้แข่งขันกันเฉพาะเรื่องความเร็ว แต่เกี่ยวข้องกับ Capacity, Latency, Mobility, 6 GHz Spectrum, Multi-Link Operation, Enterprise Identity, Security และความสามารถในการพิสูจน์คุณภาพหลังการติดตั้ง หลักสูตรนี้จึงเชื่อมโยง RF Engineering, Network Design, Security, Site Survey, Performance Validation และ Troubleshooting เข้าเป็นกระบวนการเดียวกัน

วัตถุประสงค์ของหลักสูตร

  • เข้าใจหลักการ RF และพฤติกรรมของ 2.4 GHz, 5 GHz และ 6 GHz อย่างเป็นระบบ
  • ออกแบบ Enterprise Wi-Fi โดยใช้ทั้ง Coverage-Based และ Capacity-Based Design
  • เข้าใจและทดสอบเทคโนโลยีสำคัญของ Wi-Fi 6/6E/7 เช่น OFDMA, MU-MIMO, BSS Coloring, 320 MHz, Multi-RU, 4K-QAM, Preamble Puncturing และ MLO
  • ออกแบบ Wireless Security ด้วย WPA3, PMF, OWE, IEEE 802.1X, RADIUS และ EAP-TLS
  • ออกแบบ Roaming และ Mobility สำหรับ Voice, Video, Handheld และ Mobile Applications
  • ใช้ Ekahau และเครื่องมือวิเคราะห์เพื่อทำ Predictive Design, Survey, Validation และ Capacity Planning
  • ตรวจวัด Throughput, Latency, Jitter, Packet Loss, Retry Rate, RSSI, SNR และ Channel Utilization
  • แก้ไขปัญหา Wi-Fi แบบ Layer-by-Layer และใช้ AI ช่วยวิเคราะห์ Log, RF Metrics และ Root Cause

ผู้ที่เหมาะสมในการอบรม

  • Network Engineers / Network Administrators
  • Wireless Engineers / Wireless Administrators
  • System & Infrastructure Engineers
  • Cybersecurity Engineers ที่ดูแล Wireless Security
  • IT Managers / Technical Leads
  • ผู้รับผิดชอบการออกแบบและติดตั้ง Enterprise WLAN
  • ผู้ที่มีพื้นฐาน Wi-Fi และต้องการยกระดับสู่ระดับ Engineering / Professional

พื้นฐานที่ควรมีในการอบรมหลักสูตรนี้

  • มีพื้นฐาน TCP/IP, VLAN, Switching และ Routing เบื้องต้น
  • เข้าใจการใช้งาน Access Point และ Wireless LAN ขั้นพื้นฐาน
  • สามารถใช้งาน Windows หรือ Linux Command Line เบื้องต้น
  • ไม่จำเป็นต้องมีประสบการณ์ Wi-Fi 7 มาก่อน

รายละเอียดหลักสูตร

Module 1: Modern Enterprise Wireless Networking Architecture

1.1 Evolution of Enterprise Wi-Fi

  • Wi-Fi 4 / 5 / 6 / 6E / 7 Evolution
  • IEEE 802.11 Standards Overview
  • From Coverage-Based Wi-Fi to Capacity-Based Wi-Fi
  • Enterprise WLAN Architecture
  • Autonomous AP vs Controller-Based WLAN
  • Cloud-Managed WLAN
  • Distributed vs Centralized Wireless Architecture

1.2 Modern WLAN Infrastructure Components

  • Access Points and Wireless Controllers
  • Cloud Controllers
  • PoE / Multi-Gigabit Switching
  • RADIUS / AAA
  • DHCP / DNS
  • VLAN Infrastructure
  • Firewall and NAC Integration

1.3 Wireless Engineering Workflow

  • Requirements Analysis
  • RF Planning
  • Capacity Planning
  • AP Placement
  • Channel Planning
  • Security Architecture
  • Deployment, Validation and Optimization

Module 2: RF Engineering for Wi-Fi Professionals

2.1 RF Fundamentals

  • Frequency, Wavelength, Amplitude and Phase
  • RF Power, dB and dBm
  • RSSI, SNR and Noise Floor

2.2 RF Propagation

  • Free Space Path Loss
  • Reflection, Refraction and Diffraction
  • Absorption, Attenuation and Multipath

2.3 Antenna Engineering

  • Omnidirectional vs Directional Antennas
  • Antenna Gain and Beamwidth
  • Polarization and Radiation Pattern
  • MIMO Antenna Systems

2.4 Wi-Fi Coverage Engineering

  • Cell Size and Coverage Overlap
  • Minimum RSSI and SNR Requirements
  • Coverage vs Capacity
  • Sticky Client and Cell-Edge Performance

Hands-on Labs

  • Lab 1: RF Signal Measurement: RSSI, SNR, Noise Floor, Data Rate and Channel Utilization

Module 3: Wi-Fi Spectrum and Channel Engineering

3.1 2.4 GHz Engineering

  • Channel Structure
  • Co-Channel and Adjacent Channel Interference
  • Channel Reuse

3.2 5 GHz Engineering

  • Channel Planning and DFS
  • 20 / 40 / 80 / 160 MHz
  • Channel Reuse Strategy

3.3 6 GHz Engineering

  • 6 GHz Channel Structure
  • 20 / 40 / 80 / 160 / 320 MHz
  • Preferred Scanning Channels
  • 6 GHz Discovery and Client Compatibility
  • 6 GHz Coverage Considerations

3.4 Regulatory Concepts

  • Indoor Low-Power Operation
  • Standard Power Concepts
  • Automated Frequency Coordination (AFC) Concepts
  • Regulatory Domain Considerations

Hands-on Labs

  • Lab 2: 2.4 GHz vs 5 GHz vs 6 GHz RF Comparison
  • Lab 3: Channel Width vs Throughput (20/40/80/160/320 MHz)
  • Lab 4: Channel Interference Analysis

Module 4: Wi-Fi 6 Engineering

4.1 Wi-Fi 6 / IEEE 802.11ax Architecture

  • High-Efficiency WLAN and High-Density Design

4.2 OFDMA

  • OFDM vs OFDMA
  • Resource Units
  • Downlink and Uplink OFDMA
  • Multi-Client Efficiency

4.3 MIMO and Spatial Reuse

  • SU-MIMO and MU-MIMO
  • Spatial Streams and Beamforming
  • BSS Coloring and OBSS

4.4 Power and MAC/PHY Enhancements

  • Target Wake Time
  • HE Frames and Trigger Frames
  • Dual Carrier Modulation
  • Resource Scheduling

Hands-on Labs

  • Lab 5: Wi-Fi 6 OFDMA Multi-Client Test
  • Lab 6: MIMO / Spatial Stream Verification
  • Lab 7: BSS Coloring and Channel Utilization Analysis
  • Lab 8: Wi-Fi 6 Latency Under Load

Module 5: Wi-Fi 6E and 6 GHz Network Engineering

5.1 Wi-Fi 6E Architecture

  • Wi-Fi 6 vs Wi-Fi 6E
  • Advantages of 6 GHz and Clean Spectrum
  • Capacity Benefits

5.2 6 GHz WLAN Discovery

  • Reduced Neighbor Reports
  • Preferred Scanning Channels
  • Out-of-Band Discovery

5.3 6 GHz Coverage and Migration

  • Propagation Differences and AP Density
  • Tri-Band Network Design
  • SSID Strategy
  • Legacy and 6 GHz Client Coexistence

Hands-on Labs

  • Lab 9: Enable and Validate 6 GHz WLAN
  • Lab 10: 5 GHz vs 6 GHz RSSI/SNR Survey
  • Lab 11: 5 GHz vs 6 GHz Throughput Comparison

Module 6: Wi-Fi 7 Engineering

6.1 IEEE 802.11be / EHT Architecture

  • Wi-Fi 7 Design Goals
  • Wi-Fi 6E vs Wi-Fi 7

6.2 320 MHz Channels

  • Channel Architecture
  • Throughput Potential
  • Spectrum Consumption
  • When NOT to Use 320 MHz

6.3 4096-QAM and Multi-RU

  • MCS and Signal Quality Requirements
  • Flexible Resource Unit Allocation
  • Real-World Limitations

6.4 Preamble Puncturing and Enhanced MU-MIMO

  • Interference Avoidance
  • Partial Channel Utilization
  • Multi-User Capacity

Hands-on Labs

  • Lab 12: Wi-Fi 7 320 MHz Performance Test
  • Lab 13: Wi-Fi 6 vs Wi-Fi 7 Benchmark
  • Lab 14: Wi-Fi 7 Retry Rate and Link Stability Analysis

Module 7: Multi-Link Operation (MLO) Engineering

7.1 Understanding MLO

  • Multi-Link Device, Multi-Link AP and Multi-Link Client
  • Link Setup and Link Management

7.2 MLO Operating Concepts

  • Multi-Radio Operation
  • STR Concepts
  • EMLSR Concepts
  • Link Selection and Switching

7.3 MLO Engineering Benefits

  • Throughput Aggregation
  • Latency Reduction
  • Link Resilience
  • Load Distribution

7.4 Design Considerations

  • Client Support
  • Band Combination
  • Security Requirements
  • Roaming and Spectrum Usage

Hands-on Labs

  • Lab 15: Enable and Validate MLO
  • Lab 16: MLO vs Single-Link Throughput
  • Lab 17: MLO Latency and Jitter Test
  • Lab 18: Concurrent MLO Client Performance

Module 8: Enterprise Wi-Fi Security Architecture

8.1 Wireless Threat Landscape

  • Rogue AP and Evil Twin
  • Deauthentication Attacks
  • Credential Attacks
  • Unauthorized Clients and Misconfiguration Risks

8.2 WPA2 / WPA3 Architecture

  • WPA3-Personal and SAE
  • WPA3-Enterprise
  • Encryption and Key Management

8.3 PMF and Enhanced Open

  • IEEE 802.11w Protected Management Frames
  • OWE for Encrypted Guest Access

8.4 6 GHz / Wi-Fi 7 Security

  • WPA3 and PMF Requirements
  • MLO Security
  • Modern Cipher Considerations
  • Legacy Client Compatibility

Hands-on Labs

  • Lab 19: WPA3-Personal Configuration
  • Lab 20: Enhanced Open / OWE Guest WLAN
  • Lab 21: PMF Validation and Deauthentication Protection
  • Lab 22: WPA3-Enterprise with RADIUS

Module 9: Enterprise Identity, AAA and Zero Trust Wireless

9.1 IEEE 802.1X and RADIUS

  • Supplicant, Authenticator and Authentication Server
  • Authentication, Authorization and Accounting

9.2 Enterprise Authentication

  • PEAP
  • EAP-TLS
  • Certificate Authentication

9.3 Identity-Based WLAN

  • Employee, Contractor, Guest, BYOD and IoT

9.4 Segmentation and Zero Trust

  • SSID-to-VLAN Mapping
  • Dynamic VLAN
  • Role-Based Access
  • Least Privilege
  • NAC Integration and Continuous Visibility

Hands-on Labs

  • Lab 23: SSID-to-VLAN Enterprise Segmentation
  • Lab 24: RADIUS / EAP-TLS Authentication
  • Lab 25: Employee / Guest / IoT Wireless Segmentation

Module 10: Roaming Engineering

10.1 Wi-Fi Roaming Fundamentals

  • Client-Driven Roaming
  • Coverage Overlap
  • Roaming Threshold

10.2 Fast Roaming Technologies

  • IEEE 802.11k
  • IEEE 802.11v
  • IEEE 802.11r

10.3 Roaming Design

  • Voice over Wi-Fi
  • Video Conferencing
  • Warehouse Scanners
  • Healthcare and Mobile Devices

10.4 Roaming Troubleshooting

  • Sticky Clients
  • Slow Roaming
  • Authentication Delay
  • Packet Loss During Roaming

Hands-on Labs

  • Lab 26: Fast Roaming 802.11r/k/v
  • Lab 27: Roaming Latency and Packet Loss Measurement

Module 11: Capacity and High-Density Wi-Fi Design

11.1 Coverage vs Capacity

  • Client Density Planning
  • Users per AP
  • Devices per User
  • Application Requirements

11.2 Airtime and Application Capacity

  • Airtime Utilization
  • Slow Client Impact
  • Channel Utilization
  • Voice, Video, Teams/Zoom, Cloud Applications, CCTV and IoT

11.3 High-Density Environments

  • Meeting Rooms
  • Classrooms
  • Conference Areas
  • Auditoriums and Stadium Concepts

Hands-on Labs

  • Lab 28: Capacity Planning for 50 Concurrent Users

Module 12: Enterprise Wi-Fi Infrastructure Design

12.1 Wired Backhaul for Wi-Fi 6/7

  • 1 GbE Limitations
  • 2.5 / 5 / 10 GbE Multi-Gigabit Ethernet

12.2 Power Engineering

  • PoE, PoE+ and PoE++
  • AP Power Budget

12.3 Network Services Integration

  • VLAN and Switching Architecture
  • DHCP and DNS Architecture
  • Firewall Integration
  • High Availability
  • Internet and WAN Considerations

Module 13: Wireless Site Survey and Ekahau Engineering

13.1 Site Survey Methodology

  • Predictive Survey
  • Passive Survey
  • Active Survey
  • AP-on-a-Stick Survey
  • Validation Survey
  • Spectrum Survey

13.2 Requirements Gathering

  • Floor Plans
  • Wall Materials
  • User Density
  • Application Requirements
  • Coverage Requirements

13.3 Predictive Design

  • Floor Plan Import
  • Wall Attenuation
  • AP Selection and Placement
  • Channel and Power Planning

Hands-on Labs

  • Lab 29: Ekahau Predictive Design
  • Lab 30: AP-on-a-Stick Survey
  • Lab 31: Predictive vs Actual Coverage Validation
  • Lab 32: Capacity Analysis with Ekahau

Module 14: Wireless Spectrum Analysis

14.1 Wi-Fi and Non-Wi-Fi Interference

  • Bluetooth
  • Wireless Cameras
  • Microwave Devices
  • IoT
  • Neighboring WLANs

14.2 Spectrum Analysis Methodology

  • Channel Utilization
  • Noise Floor
  • Interference Patterns
  • Corrective Actions

Hands-on Labs

  • Lab 33: Wireless Interference Investigation

Module 15: Performance Engineering and Benchmarking

15.1 Throughput and Transport Testing

  • TCP vs UDP
  • Single Stream vs Multi-Stream

15.2 Quality Metrics

  • Latency
  • Jitter
  • Packet Loss
  • Retry Rate
  • Airtime Utilization

15.3 Performance Baseline

  • Baseline Methodology
  • Before/After Validation
  • Evidence-Based Acceptance Criteria

Hands-on Labs

  • Lab 34: Enterprise Wi-Fi Performance Baseline with iperf3
  • Lab 35: TCP vs UDP Performance Analysis
  • Lab 36: Latency/Jitter Under Network Load

Module 16 :Wi-Fi Troubleshooting Engineering

16.1 Layer-by-Layer Troubleshooting

  • RF Layer
  • 802.11 Layer
  • Authentication
  • DHCP
  • DNS
  • VLAN
  • Routing
  • Firewall

16.2 Client Connectivity Problems

  • Cannot See SSID
  • Authentication Failure
  • DHCP Failure
  • Limited Connectivity
  • Frequent Disconnect

16.3 Performance Problems

  • Low Throughput
  • High Latency
  • High Retry Rate
  • Poor RSSI / SNR
  • Channel Congestion

16.4 Advanced Troubleshooting

  • Roaming Problems
  • 6 GHz Problems
  • MLO Problems

Hands-on Labs

  • Lab 37: Client Cannot Connect
  • Lab 38: Incorrect VLAN / DHCP Troubleshooting
  • Lab 39: High Latency and Packet Loss
  • Lab 40: Channel Congestion Scenario
  • Lab 41: Poor Roaming Scenario
  • Lab 42: Wi-Fi 7 MLO Troubleshooting

Module 17: AI-Assisted Wireless Network Analysis

17.1 AI as a Wireless Engineering Copilot

  • RF Measurement Analysis
  • Wi-Fi Log Analysis
  • Client Failure Analysis
  • Configuration Review
  • Design Review

17.2 AI-Assisted Root Cause Analysis

  • RSSI / SNR / Noise Floor
  • Channel Utilization
  • Retry Rate
  • Client Count
  • Authentication and DHCP Logs

17.3 AI-Assisted Troubleshooting Workflow

  • Telemetry → Analysis → Possible Causes → Root Cause → Recommended Action → Validation

Hands-on Labs

  • Lab 43: AI-Assisted Wi-Fi Health Analysis
  • Lab 44: AI Root Cause Analysis from Wireless Logs
  • Lab 45: AI Review of Wireless Design

Module 18: Real-World Enterprise Wireless Design Workshop

18.1 Design Scenarios

  • Corporate Office
  • Educational Campus
  • Warehouse
  • Hospital
  • Hotel
  • Retail / Shopping Mall
  • Industrial / Factory Environment

18.2 Required Engineering Decisions

  • Wireless Requirements
  • AP Type and Quantity
  • AP Placement
  • Frequency Bands and Channel Width
  • VLAN and Security Model
  • Roaming Requirements
  • Capacity
  • Wired Backhaul and PoE Requirements

Module 19: Final Enterprise Wireless Engineering Challenge

19.1 Integrated Troubleshooting Scenario

  • Incorrect AP Placement
  • Coverage Holes
  • Channel Overlap
  • Excessive Channel Width
  • Poor Roaming
  • VLAN / DHCP Problems
  • WPA3 / PMF Compatibility Issues
  • 6 GHz Client Problems
  • MLO Configuration Problems
  • High Retry Rate / High Latency

19.2 Required Professional Workflow

  • Discover → Measure → Analyze → Diagnose → Correct → Validate → Document

Hands-on Labs

  • Lab 46: Final Real-World Enterprise Wi-Fi Troubleshooting Challenge

19.3 Professional Engineering Templates Provided

  • Wireless Requirements Assessment Form
  • Wi-Fi Design Checklist
  • RF Design Worksheet
  • AP Placement Worksheet
  • Channel Planning Worksheet
  • Capacity Planning Worksheet
  • SSID / VLAN Matrix
  • Wireless Security Matrix
  • Wi-Fi Site Survey Checklist
  • Wireless Commissioning Checklist
  • Wi-Fi Performance Baseline Form
  • Troubleshooting Workflow
  • Root Cause Analysis Template
  • Bill of Materials (BOM) Template
  • Final Wireless Design Report Template
  • Wi-Fi Health Check Report Template

19.4 Technologies and Tools Used in Class

  • TP-Link Omada Wi-Fi 6 Access Points
  • TP-Link Omada Wi-Fi 7 Access Points
  • Omada OC300 Hardware Controller
  • Managed PoE / Multi-Gigabit Switches
  • Windows / Linux Clients
  • Wi-Fi 6/6E/7 Client Devices
  • FreeRADIUS / Windows NPS or equivalent RADIUS platform
  • iperf3
  • Wireshark
  • Ekahau
  • Wireless Analysis / Spectrum Analysis Tools
  • AI-Assisted Analysis Tools