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CCNP - ONT - Overview

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CCNP - ONT - Overview

Contents

[edit section] CCNP ONT Study Guide 642-845 Exam

[edit section] Part I Voice over IP

[edit section] Section 1 Cisco VoIP Implementations

  • Introduction to VoIP Networks
  1. Benefits of Packet Telephony Networks
  2. Packet Telephony Components
  3. Analog Interfaces
  4. Digital Interfaces
  5. Stages of a Phone Call
  6. Distributed Versus Centralized Call Control
  • Digitizing and Packetizing Voice
  1. Basic Voice Encoding: Converting Analog to Digital
  2. Basic Voice Encoding: Converting Digital to Analog
  3. The Nyquist Theorem
  4. Quantization
  5. Compression Bandwidth Requirements and Their Comparative Qualities
  6. Digital Signal Processors
  • Encapsulating Voice Packets
  1. End-to-End Delivery of Voice
  2. Protocols Used in Voice Encapsulation
  3. Reducing Header Overhead
  • Bandwidth Calculation
  1. Impact of Voice Samples and Packet Size on Bandwidth
  2. Data Link Overhead
  3. Security and Tunneling Overhead
  4. Calculating the Total Bandwidth for a VoIP Call
  5. Effects of VAD on Bandwidth
  • Implementing VoIP Support in an Enterprise Network
  1. Enterprise Voice Implementations
  2. Voice Gateway Functions on a Cisco Router
  3. Cisco Unified CallManager Functions
  4. Enterprise IP Telephony Deployment Models
    1. Single-Site Model
    2. Multisite with Centralized Call Processing Model
    3. Multisite with Distributed Call Processing Model
    4. Clustering over WAN Model
  5. Identifying Voice Commands in IOS Configurations
  6. Call Admission Control (CAC)
  • Foundation Summary
  • Q&A

[edit section] Part II Quality of Service

[edit section] Section 2 IP Quality of Service

  • Introduction to QoS
  1. Converged Network Issues Related to QoS
  2. Available Bandwidth
    1. End-to-End Delay
    2. Delay Variation
    3. Packet Loss
  3. Definition of QoS and the Three Steps to Implementing It
    1. Implementing QoS
  • Identifying and Comparing QoS Models
  1. Best-Effort Model
  2. Integrated Services Model
  3. Differentiated Services Model
  • QoS Implementation Methods
  1. Legacy Command-Line Interface (CLI)
  2. Modular QoS Command-Line Interface (MQC)
  3. AutoQoS
  4. Router and Security Device Manager (SDM) QoS Wizard
  • Foundation Summary
  • Q&A

[edit section] Section 3 Classification, Marking, and NBAR

  • Classification and Marking
  1. Layer 2 QoS: CoS on 802.1Q/P Ethernet Frame
  2. Layer 2 QoS: DE and CLP on Frame Relay and ATM (Cells)
  3. Layer 2 1/2 QoS: MPLS EXP Field
  • The DiffServ Model, Differentiated Services Code Point (DSCP), and Per-Hop Behavior (PHB)
  1. IP Precedence and DSCP
  • QoS Service Class
  • Trust Boundaries
  • Network Based Application Recognition (NBAR)
  • Cisco IOS Commands to Configure NBAR
  • Foundation Summary

[edit section] Section 4 Congestion Management and Queuing

  • Introduction to Congestion Management and Queuing
  • First-In-First-Out, Priority Queuing, Round-Robin, and Weighted Round-Robin Queuing *
  • Weighted Fair Queuing
  1. WFQ Classification and Scheduling
  2. WFQ Insertion and Drop Policy
  3. Benefits and Drawbacks of WFQ
  4. Configuring and Monitoring WFQ
  • Class-Based Weighted Fair Queuing
  1. Classification, Scheduling, and Bandwidth Guarantee
  2. Benefits and Drawbacks of CBWFQ
  3. Configuring and Monitoring CBWFQ
  • Low-Latency Queuing
  1. Benefits of LLQ
  2. Configuring and Monitoring LLQ
  • Foundation Summary

[edit section] Section 5 Congestion Avoidance, Policing, Shaping, and Link Efficiency Mechanisms

  • Congestion Avoidance
  1. Tail Drop and Its Limitations
  2. Random Early Detection
  3. Weighted Random Early Detection
  4. Class-Based Weighted Random Early Detection
  5. Configuring CBWRED
  • Traffic Shaping and Policing
  1. Measuring Traffic Rates
  2. Cisco IOS Policing and Shaping Mechanisms
  • Link Efficiency Mechanisms
  1. Layer 2 Payload Compression
  2. Header Compression
  3. Link Fragmentation and Interleaving
  4. Applying Link Efficiency Mechanisms
  • Foundation Summary
  • Q&A

[edit section] Section 6 Implementing QoS Pre-Classify and Deploying End-to-End QoS

  • Implementing QoS Pre-Classify
  1. Virtual Private Networks (VPN)
  2. QoS Pre-Classify Applications
  3. QoS Pre-Classification Deployment Options
  • Deploying End-to-End QoS
  1. QoS Service Level Agreements (SLAs)
  2. Enterprise Campus QoS Implementations
  3. WAN Edge QoS Implementations
  4. Control Plane Policing (CoPP)
  • Foundation Summary
  • Q&A

[edit section] Section 7 Implementing AutoQoS

  • Introducing AutoQoS
  • Implementing and Verifying AutoQoS
  1. Two-Step Deployment of AutoQoS Enterprise on Routers
  2. Deploying AutoQoS VoIP on IOS-Based Catalyst Switches
  3. Verifying AutoQoS on Cisco Routers and IOS-Based Catalyst Switches
  • AutoQoS Shortcomings and Remedies
  1. Automation with Cisco AutoQoS
  2. Common AutoQoS Problems
  3. Interpreting and Modifying AutoQoS Configurations
  • Foundation Summary
  • Q&A

[edit section] Part III Wireless LAN

[edit section] Section 8 Wireless LAN QoS Implementation

  • The Need for Wireless LAN QoS
  1. WLAN QoS Description
  2. Split MAC Architecture and Light Weight Access Point
  • Current Wireless LAN QoS Implementation
  • Configuring Wireless LAN QoS
  • Foundation Summary
  • Q&A

[edit section] Section 9 Introducing 802.1x & Configuring Encryption and Authentication on Lightweight Access Points

  • Overview of WLAN Security
  1. WLAN Security Issues
  2. Evolution of WLAN Security Solutions
  • 802.1x and EAP Authentication Protocols
  1. EAP Authentication Protocols
    1. Cisco LEAP
    2. EAP-FAST
    3. EAP-TLS
    4. PEAP
  2. WPA, 802.11i, and WPA2
  • Configuring Encryption and Authentication on Lightweight Access Points
  1. Open Authentication
  2. Static WEP Authentication
  3. WPA Preshared Key
  4. Web Authentication
  5. 802.1x Authentication

Foundation Summary Q&A

[edit section] Section 10 WLAN Management

  • The Need for WLAN Management
  1. Cisco Unified Wireless Networks
  2. Cisco WLAN Implementation
  3. WLAN Components
  • CiscoWorks Wireless LAN Solution Engine
  1. WLSE Software Features
  2. WLSE Key Benefits
  3. CiscoWorks WLSE and WLSE Express
  4. Simplified WLSE Express Setup
  5. WLSE Configuration Templates
  6. WLSE IDS Features
  7. WLSE Summary
  • Cisco Wireless Control System
  1. WCS Location Tracking Options
    1. WCS Base Software Features
    2. WCS Location Software Features
    3. WCS Location + 2700 Series Wireless Location Appliance Features
    4. WCS System Features
      1. Cisco WCS User Interface
      2. Cisco WCS System Requirements
    5. WCS Summary Pages
    6. Wireless Location Appliance
      1. Wireless Location Appliance Architecture
      2. Wireless Location Appliance Applications
    7. WCS Configuration Examples
      1. WCS Login Steps
      2. Changing the Root Password
      3. Adding a Wireless LAN Controller
      4. Configuring Access Points
    8. WCS Map
      1. Adding a Campus Map
      2. Adding a New Building
    9. Rogue Access Point Detection
      1. Rogue Access Point Alarms
      2. Rogue Access Point Location
  • Foundation Summary
  • Q&A
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