Chapter 1 - Small Network Implementation

Small Network Implementation
Introducing the Review Lab
Cisco IOS User Interface Functions
Overview of Cisco IOS Configuration Modes
Help Facilities of the Cisco IOS CLI
Commands Review Discussion
Access to the Remote Labs
Summary
Chapter 1 Review

Chapter 2 - Medium-Sized Switched Network Construction

Medium-Sized Switched Network Construction
Implementing VLANs and Trunks
Issues in a Poorly Designed Network
VLAN Overview
Designing VLANs for an Organization
Guidelines for Applying IP Address Space
Network Traffic Types
Advantages of Voice VLANs
VLAN Operation
VLAN Membership Modes
802.1Q Trunking
802.1Q Frame
Understanding Native VLANs
VTP Features
VTP Modes
VTP Operation
VTP Pruning
Configuring VLANs and Trunks
VTP Configuration Guidelines
Creating a VTP Domain
VTP Configuration and Verification Example
802.1Q Trunking Issues
Configuring 802.1Q Trunking
Verifying a Trunk
VLAN Creation Guidelines
Adding a VLAN
Verifying a VLAN
Assigning Switch Ports to a VLAN
Verifying VLAN Membership
Demo - VLAN
Executing Adds, Moves, and Changes for VLANs
Summary
Improving Performance with Spanning Tree
Interconnection Technologies
Determining Equipment and Cabling Needs
Advantages of EtherChannel
Demo - Bridging
Redundant Topology
Broadcast Frames
Broadcast Storms
Multiple Frame Copies
MAC Database Instability
Demo - STP
Loop Resolution with STP
Spanning-Tree Operation
STP Root Bridge Selection
Spanning-Tree Port States
Demo - BPDU
Describing PortFast
Configuring and Verifying PortFast
Spanning-Tree Operation Example
Spanning-Tree Path Cost
Spanning-Tree Recalculation
Per VLAN Spanning Tree Plus
PVST+ Extended Bridge ID
Demo - SwitchConfig
Rapid Spanning Tree Protocol
Default Spanning-Tree Configuration
PVRST+ Configuration Guidelines
PVRST+ Implementation Commands
Verifying PVRST+
Configuring the Root and Secondary Bridges
Configuring the Root and Secondary Bridges: SwitchA
Configuring the Root and Secondary Bridges: SwitchB
Summary
Routing Between VLANs
VLAN-to-VLAN Overview
Dividing a Physical Interface into Subinterfaces
Routing Between VLANs with 802.1Q Trunks
Summary
Securing the Expanded Network
Overview of Switch Security
Recommended Practices: New Switch Equipment
Recommended Practices: Switch Security
Port Security
802.1X Port-Based Authentication
Summary
Troubleshooting Switched Networks
Switches Troubleshooting
Troubleshooting Port Connectivity
Troubleshooting VLANs and Trunks
Troubleshooting VTP
Troubleshooting Spanning Tree
Summary
Chapter 2 Review

Chapter 3 - Medium-Sized Routed Network Construction

Medium-Sized Routed Network Construction
Reviewing Routing Operations
Static vs. Dynamic Routes
Demo - Static Route
What Is a Dynamic Routing Protocol?
Autonomous Systems: Interior and Exterior Routing Protocols
Classes of Routing Protocols
Selecting the Best Route Using Metrics
Administrative Distance: Ranking Routing Sources
Distance Vector Routing Protocols
Sources of Information and Discovering Routes
Maintaining Routing Information
Demo - RIP Review
Inconsistent Routing Entries: Counting to Infinity and Routing Loops
Counting to Infinity
Solution to Counting to Infinity: Defining a Maximum
Routing Loops
Solution to Routing Loops: Split Horizon
Solution to Routing Loops: Route Poisoning and Poison Reverse
Solution to Routing Loops: Hold-Down Timers
Triggered Updates
Eliminating Routing Loops
Link-State Routing Protocols
OSPF Hierarchical Routing
Link-State Routing Protocol Algorithms
Benefits and Drawbacks of Link-State Routing
Summary
Implementing VLSM
Subnetting Review
Possible Subnets and Hosts for a Class C Network
Possible Subnets and Hosts for a Class B Network
Possible Subnets and Hosts for a Class A Network
Subnetting Review Exercise
What Is a Variable-Length Subnet Mask?
A Working VLSM Example
Understanding Route Summarization
Classful Routing Overview
Classless Routing Overview
Summarizing Within an Octet
Summarizing Addresses in a VLSM-Designed Network
Route Summarization Operation in Cisco Routers
Demo - VLSM
Summarizing Routes in a Discontiguous Network
Summary
Chapter 3 Review

Chapter 4 - Single-Area OSPF Implementation

Single-Area OSPF Implementation
Implementing OSPF
OSPF Overview
OSPF Hierarchy Example
Neighbor Adjacencies: The Hello Packet
SPF Algorithm
Configuring Single - Area OSPF
Configuring Loopback Interfaces
Verifying the OSPF Configuration
OSPF debug Commands
Demo - OSPF
Load Balancing with OSPF
OSPF Authentication
Configuring OSPF Plaintext Password Authentication
Plaintext Password Authentication Configuration Example
Verifying Plaintext Password Authentication
Summary
Troubleshooting OSPF
Components of Troubleshooting OSPF
Troubleshooting OSPF Neighbor Adjacencies
Troubleshooting OSPF Routing Tables
Troubleshooting Plaintext Password Authentication Problems
Summary
Chapter 4 Review

Chapter 5 - EIGRP Implementation

EIGRP Implementation
Implementing EIGRP
EIGRP Features
EIGRP Tables
EIGRP Path Calculation (Router C)
EIGRP Configuration
EIGRP and Discontiguous Networks Default Scenario Configuration
EIGRP and Discontiguous Networks with no auto-summary
Verifying the EIGRP Configuration
debug ip eigrp Command
EIGRP Metric
EIGRP Load Balancing
EIGRP Unequal - Cost Load Balancing
Variance Example
Demo - EIGRP
EIGRP MD5 Authentication
EIGRP MD5 Authentication Configuration Steps
Configuring EIGRP MD5 Authentication
Example EIGRP MD5 Authentication Configuration
Verifying MD5 Authentication
Summary
Troubleshooting EIGRP
Components of Troubleshooting EIGRP
Troubleshooting EIGRP Neighbor Issues
Troubleshooting EIGRP Routing Tables
Troubleshooting EIGRP Authentication
Troubleshooting EIGRP Authentication Problem
Summary
Chapter 5 Review

Chapter 6 - Access Control Lists

Access Control Lists
Introducing ACL Operation
Why Use ACLs?
ACL Applications: Filtering
ACL Applications: Classification
Outbound ACL Operation
A List of Tests: Deny or Permit
Types of ACLs
How to Identify ACLs
IP Access List Entry Sequence Numbering
ACL Configuration Guidelines
Dynamic ACLs
Reflexive ACLs
Time-Based ACLs
Wildcard Bits: How to Check the Corresponding Address Bits
Wildcard Bits to Match IP Subnets
Wildcard Bit Mask Abbreviations
Summary
Configuring and Troubleshooting ACLs
Testing Packets with Numbered Standard IPv4 ACLs
Numbered Standard IPv4 ACL Configuration
Numbered Standard IPv4 ACL Example 1
Numbered Standard IPv4 ACL Example 2
Numbered Standard IPv4 ACL Example 3
Demo - Standard ACL
Standard ACLs to Control vty Access
Demo - Access Class
Testing Packets with Numbered Extended IPv4 ACLs
Numbered Extended IPv4 ACL Configuration
Numbered Extended IPv4 ACL Example 1
Numbered Extended IPv4 ACL Example 2
Demo - Extended ACL
Named IP ACL Configuration
Named Standard IPv4 ACL Example
Named Extended IPv4 ACL Example
Commenting ACL Statements
Demo - Named ACL
Monitoring ACL Statements
Verifying ACLs
Troubleshooting Common ACL Errors
Summary
Chapter 6 Review

Chapter 7 - Address Space Management

Address Space Management
Scaling the Network with NAT and PAT
Network Address Translation
Port Address Translation
Translating Inside Source Addresses
Configuring and Verifying Static Translation
Enabling Static NAT Address Mapping Example
Configuring and Verifying Dynamic Translation
Dynamic Address Translation Example
Overloading an Inside Global Address
Configuring Overloading
Overloading an Inside Global Address Example
Clearing the NAT Translation Table
Demo - NAT
Translation Not Occurring: Translation Not Installed in the Table
Displaying Information with show and debug Commands
Translation Occurring: Installed Translation Entry Not Being Used
Sample Problem: Cannot Ping Remote Host
Solution: Corrected Configuration
Summary
Transitioning to IPv6
IPv4 and IPv6
Why Do We Need a Larger Address Space?
IPv6 Advanced Features
IPv6 Address Representation
IPv6 Address Types
IPv6 Unicast Addressing
IPv6 Global Unicast (and Anycast) Addresses
Link-Local Addresses
Larger Address Space Enables Address Aggregation
Assigning IPv6 Global Unicast Addresses
IPv6 EUI-64 Interface Identifier
Stateless Autoconfiguration
DHCPv6 (Stateful)
DHCPv6 Operation
IPv6 Routing Protocols
RIPng (RFC 2080)
IPv4-to-IPv6 Transition
Cisco IOS Dual Stack
IPv6 Tunneling
Manually Configured IPv6 Tunnel
Enabling IPv6 on Cisco Routers
IPv6 Address Configuration Example
Cisco IOS IPv6 Name Resolution
Configuring and Verifying RIPng for IPv6
RIPng for IPv6 Configuration Example
Summary
Chapter 7 Review

Chapter 8 - LAN Extension into a WAN

LAN Extension into a WAN
Introducing VPN Solutions
What Is a VPN?
Benefits of VPN
Site-to-Site VPNs
Remote-Access VPNs
Cisco Easy VPN
Cisco IOS IPsec SSL VPN (WebVPN)
VPN-Enabled Cisco IOS Routers
Cisco ASA Adaptive Security Appliances
VPN Clients
What Is IPsec?
IPsec Security Services
Confidentiality (Encryption)
Encryption Algorithms
DH Key Exchange
Data Integrity
Authentication
IPsec Security Protocols
IPsec Framework
Summary
Establishing a Point-to-Point WAN Connection with PPP
Typical WAN Encapsulation Protocols
An Overview of PPP
PPP Session Establishment
PPP Authentication Protocols: PAP
PPP Authentication Protocols: CHAP
Configuring PPP and Authentication Overview
Configuring PPP and Authentication
PPP and CHAP Configuration Example
Demo - CHAP
Verifying the PPP Encapsulation Configuration
Verifying PPP Authentication
Verifying PPP Negotiation
Summary
Establishing a WAN Connection with Frame Relay
Frame Relay Overview
Frame Relay Terminology
Selecting a Frame Relay Topology
Resolving NBMA Reachability Issues
Frame Relay Address Mapping
Frame Relay Signaling
Stages of Inverse ARP and LMI Operation
Configuring Basic Frame Relay
Configuring a Static Frame Relay Map
Configuring Frame Relay Subinterfaces
Configuring Frame Relay Point-to-Point Subinterfaces
Configuring Frame Relay Multipoint Subinterfaces
Verifying Frame Relay Operation
Demo - Frame Relay
Summary
Troubleshooting Frame Relay WANs
Components of Troubleshooting Frame Relay
Troubleshooting a Frame Relay Link That Is Down
Troubleshooting Frame Relay Remote Router Connectivity
Troubleshooting Frame Relay End-to-End Connectivity
Summary
Chapter 8 Review
Course Closure