Unit 1 Introduction to Scaling Networks
Introduction
Implementing a Network Design
Hierarchical Network Design
The Need to Scale the Network
Enterprise Business Devices
Hierarchical Network Design
Cisco Enterprise Architecture
Failure Domains
Expanding the Network
Design for Scalability
Planning for Redundancy
Increasing Bandwidth
Expanding the Access Layer
Fine-tuning Routing Protocols
Selecting Network Devices
Switch Hardware
Switch Platforms
Port Density
Forwarding Rates
Power over Ethernet
Multilayer Switching
Router Hardware
Router Requirements
Cisco Routers
Router Hardware
Managing Devices
Managing IOS Files and Licensing
In-Band Versus Out-of-Band Management
Basic Router CLI Commands
Basic Router show Commands
Basic Switch CLI Commands
Basic Switch show Commands
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 2 LAN Redundancy
Introduction
Spanning Tree Concepts
Purpose of Spanning Tree
Redundancy at OSI Layers 1 and 2
Issues with Layer 1 Redundancy: MAC Database Instability
Issues with Layer 1 Redundancy: Broadcast Storms
Issues with Layer 1 Redundancy: Duplicate Unicast Frames
STP Operation
Spanning Tree Algorithm: Introduction
Spanning Tree Algorithm: Port Roles
Spanning Tree Algorithm: Root Bridge
Spanning Tree Algorithm: Path Cost
802.1D BPDU Frame Format
BPDU Propagation and Process
Extended System ID
Varieties of Spanning Tree Protocols
Overview
List of Spanning Tree Protocols
Characteristics of the Spanning Tree Protocols
PVST+
Overview of PVST+
Port States and PVST+ Operation
Extended System ID and PVST+ Operation
Rapid PVST+
Overview of Rapid PVST+
RSTP BPDU
Edge Ports
Link Types
Spanning Tree Configuration
PVST+ Configuration
Catalyst 2960 Default Configuration
Configuring and Verifying the Bridge ID
PortFast and BPDU Guard
PVST+ Load Balancing
Rapid PVST+ Configuration
Spanning Tree Mode
STP Configuration Issues
Analyzing the STP Topology
Expected Topology Versus Actual Topology
Overview of Spanning Tree Status
Spanning Tree Failure Consequences
Repairing a Spanning Tree Problem
First Hop Redundancy Protocols
Concept of First Hop Redundancy Protocols
Default Gateway Limitations
Router Redundancy
Steps for Router Failover
Varieties of First Hop Redundancy Protocols
First Hop Redundancy Protocols
FHRP Verification
HSRP Verification
GLBP Verification
Syntax Checker – HSRP and GLBP
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 3 LAN Aggregation
Objectives
Key Terms
Introduction
Link Aggregation Concepts
Link Aggregation
Introduction to Link Aggregation
Advantages of EtherChannel
EtherChannel Operation
Implementation Restrictions
Port Aggregation Protocol
Link Aggregation Control Protocol
Link Aggregation Configuration
Configuring EtherChannel
Configuration Guidelines
Configuring Interfaces
Verifying and Troubleshooting EtherChannel
Verifying EtherChannel
Troubleshooting EtherChannel
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 4 Wireless LANs
Objectives
Key Terms
Introduction
Wireless Concepts
Introduction to Wireless
Supporting Mobility
Benefits of Wireless
Wireless Technologies
Radio Frequencies
802.11 Standards
Wi-Fi Certification
Comparing WLANs to a LAN
Components of WLANs
Wireless NICs
Wireless Home Router
Business Wireless Solutions
Wireless Access Points
Small Wireless Deployment Solutions
Large Wireless Deployment Solutions
Wireless Antennas
802.11 WLAN Topologies
802.11 Wireless Topology Modes
Ad Hoc Mode
Infrastructure Mode
Wireless LAN Operations
802.11 Frame Structure
Wireless 802.11 Frame
Frame Control Field
Wireless Frame Type
Management Frames
Control Frames
Wireless Operation
Carrier Sense Multiple Access with Collision Avoidance
Wireless Clients and Access Point Association
Association Parameters
Discovering APs
Authentication
Channel Management
Frequency Channel Saturation
Selecting Channels
Planning a WLAN Deployment
Wireless LAN Security
WLAN Threats
Securing Wireless
DoS Attack
Management Frame DoS Attacks
Rogue Access Points
Man-in-the-Middle Attack
Securing WLANs
Wireless Security Overview
Shared Key Authentication Methods
Encryption Methods
Authenticating a Home User
Authentication in the Enterprise
Wireless LAN Configuration
Configure a Wireless Router
Configuring a Wireless Router
Setting Up and Installing Initial Linksys EA6500
Configuring the Linksys Smart Wi-Fi Home Page
Smart Wi-Fi Settings
Smart Wi-Fi Tools
Backing Up a Configuration
Configuring Wireless Clients
Connecting Wireless Clients
Troubleshoot WLAN Issues
Troubleshooting Approaches
Wireless Client Not Connecting
Troubleshooting When the Network Is Slow
Updating Firmware
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 5 Adjust and Troubleshoot Single-Area OSPF
Introduction
Advanced Single-Area OSPF Configurations
Routing in the Distribution and Core Layers
Routing Versus Switching
Static Routing
Dynamic Routing Protocols
Open Shortest Path First
Configuring Single-Area OSPF
Verifying Single-Area OSPF
Configuring Single-Area OSPFv3
Verifying Single-Area OSPFv3
OSPF in Multiaccess Networks
OSPF Network Types
Challenges in Multiaccess Networks
OSPF Designated Router
Verifying DR/BDR Roles
Verifying DR/BDR Adjacencies
Default DR/BDR Election Process
DR/BDR Election Process
The OSPF Priority
Changing the OSPF Priority
Default Route Propagation
Propagating a Default Static Route in OSPFv2
Verifying the Propagated Default Route
Propagating a Default Static Route in OSPFv3
Verifying the Propagated IPv6 Default Route
Fine-Tuning OSPF Interfaces
OSPF Hello and Dead Intervals
Modifying OSPFv2 Intervals
Modifying OSPFv3 Intervals
Secure OSPF
Routers Are Targets
Secure Routing Updates
MD5 Authentication
Configuring OSPF MD5 Authentication
OSPF MD5 Authentication Example
Verifying OSPF MD5 Authentication
Troubleshooting Single-Area OSPF Implementations
Components of Troubleshooting Single-Area OSPF
Overview
OSPF States
OSPF Troubleshooting Commands
Components of Troubleshooting OSPF
Troubleshoot Single-Area OSPFv2 Routing Issues
Troubleshooting Neighbor Issues
Troubleshooting OSPF Routing Table Issues
Troubleshoot Single-Area OSPFv3 Routing Issues
OSPFv3 Troubleshooting Commands
Troubleshooting OSPFv3
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 6 Multiarea OSPF
Introduction
Multiarea OSPF Operation
Why Multiarea OSPF?
Single-Area OSPF
Multiarea OSPF
OSPF Two-Layer Area Hierarchy
Types of OSPF Routers
Multiarea OSPF LSA Operation
OSPF LSA Types
OSPF LSA Type 1
OSPF LSA Type 2
OSPF LSA Type 3
OSPF LSA Type 4
OSPF LSA Type 5
OSPF Routing Table and Types of Routes
OSPF Routing Table Entries
OSPF Route Calculation
Configuring Multiarea OSPF
Configuring Multiarea OSPFv2 and OSPFv3
Implementing Multiarea OSPF
Configuring Multiarea OSPF
Configuring Multiarea OSPFv3
OSPF Route Summarization
OSPF Route Summarization
Interarea and External Route Summarization
Interarea Route Summarization
Calculating the Summary Route
Configuring Interarea Route Summarization
Verifying Multiarea OSPF
Verifying Multiarea OSPF
Verify General Multiarea OSPF Settings
Verify the OSPF Routes
Verify the Multiarea OSPF LSDB
Verify Multiarea OSPFv3
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 7 EIGRP
Introduction
Characteristics of EIGRP
Basic Features of EIGRP
Features of EIGRP
Protocol-Dependent Modules
Reliable Transport Protocol
Authentication
Types of EIGRP Packets
EIGRP Packet Types
EIGRP Hello Packets
EIGRP Update and Acknowledgment Packets
EIGRP Query and Reply Packets
EIGRP Messages
Encapsulating EIGRP Messages
EIGRP Packet Header and TLV
Configuring EIGRP for IPv4
Configuring EIGRP with IPv4
EIGRP Network Topology
Autonomous System Numbers
The Router EIGRP Command
EIGRP Router ID
Configuring the EIGRP Router ID
The network Command
The network Command and Wildcard Mask
Passive Interface
Verifying EIGRP with IPv4
Verifying EIGRP: Examining Neighbors
Verifying EIGRP: show ip protocols Command
Verifying EIGRP: Examine the IPv4 Routing Table
Operation of EIGRP
EIGRP Initial Route Discovery
EIGRP Neighbor Adjacency
EIGRP Topology Table
EIGRP Convergence
Metrics
EIGRP Composite Metric
Examining Interface Values
Bandwidth Metric
Delay Metric
How to Calculate the EIGRP Metric
Calculating the EIGRP Metric
DUAL and the Topology Table
DUAL Concepts
Introduction to DUAL
Successor and Feasible Distance
Feasible Successors, Feasibility Condition, and Reported
Distance
Topology Table: show ip eigrp topology Command
Topology Table: show ip eigrp topology Command (Cont.)
Topology Table: No Feasible Successor
DUAL and Convergence
DUAL Finite State Machine (FSM)
DUAL: Feasible Successor
DUAL: No Feasible Successor
Configuring EIGRP for IPv6
EIGRP for IPv4 Versus IPv6
EIGRP for IPv6
Comparing EIGRP for IPv4 and IPv6
IPv6 Link-Local Addresses
Configuring EIGRP for IPv6
EIGRP for IPv6 Network Topology
Configuring IPv6 Link-Local Addresses
Configuring the EIGRP for IPv6 Routing Process
The ipv6 eigrp Interface Command
Verifying EIGRP for IPv6
Verifying EIGRP for IPv6: Examining Neighbors
Verifying EIGRP for IPv6: show ipv6 protocols Command
Verifying EIGRP for IPv6: Examine the IPv6 Routing Table
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 8 EIGRP Advanced Configurations and Troubleshooting
Objectives
Key Terms
Introduction
Advanced EIGRP Configurations
Automatic Summarization
Network Topology
EIGRP Automatic Summarization
Configuring EIGRP Automatic Summarization
Verifying Auto-Summary: show ip protocols
Verifying Auto-Summary: Topology Table
Verifying Auto-Summary: Routing Table
Summary Route
Summary Route (Cont.)
Manual Summarization
Manual Summary Routes
Configuring EIGRP Manual Summary Routes
Verifying Manual Summary Routes
EIGRP for IPv6: Manual Summary Routes
Default Route Propagation
Propagating a Default Static Route
Verifying the Propagated Default Route
EIGRP for IPv6: Default Route
Fine-Tuning EIGRP Interfaces
EIGRP Bandwidth Utilization
Hello and Hold Timers
Load-Balancing IPv4
Load-Balancing IPv6
Secure EIGRP
Routing Protocol Authentication Overview
Configuring EIGRP with MD5 Authentication
EIGRP Authentication Example
Verify Authentication
Troubleshoot EIGRP
Components of Troubleshooting EIGRP
Basic EIGRP Troubleshooting Commands
Components
Troubleshoot EIGRP Neighbor Issues
Layer 3 Connectivity
EIGRP Parameters
EIGRP Interfaces
Troubleshoot EIGRP Routing Table Issues
Passive Interface
Missing Network Statement
Automatic Summarization
Summary
Practice
Class Activities
Labs
Packet Tracer Activities
Check Your Understanding Questions
Unit 9 IOS Images and Licensing
Introduction
Managing IOS System Files
Naming Conventions
Cisco IOS Software Release Families and Trains
Cisco IOS Release 12.4 Mainline and T Trains
Cisco IOS Release 12.4 Mainline and T Numbering
Cisco IOS Release 12.4 System Image Packaging
Cisco IOS Release 15.0 M and T Trains
Cisco IOS Release 15 Train Numbering
IOS Release 15 System Image Packaging
IOS Image Filenames
Managing Cisco IOS Images
TFTP Servers as a Backup Location
Creating a Cisco IOS Image Backup
Copying a Cisco IOS Image
Boot System
IOS Licensing
Software Licensing
Licensing Overview
Licensing Process
Step 1. Purchase the Software Package or Feature to Install
Step 2. Obtain a License
Step 3. Install the License
License Verification and Management
License Verification
Activate an Evaluation Right-To-Use License
Back Up the License
Uninstall the License
Summary
Practice
Class Activities
Packet Tracer Activities
Check Your Understanding Questions