Course Overview
This course will teach students about building a simple network, establishing internet connectivity, managing network device security, building a medium-sized network, and IPv6.
Course Introduction 2m
Module01 – Building a Simple Network 3h 13m
Networking Functions
Network Connections
Components of a Network
Looking at a Network Diagram
Applications Found on the Network
Design Issues of a Network
Physical Topology Types
Logical Topologies
Summary
Understanding the Host-to-Host Communications Model
Examples of Host-to-Host Communications
OSI Reference Model
The TCP/IP Stack
The Encapsulation Process
Data De-Encapsulation
Communicating Peer-to-Peer
Summary
Introducing LANs
Describing the LAN
Components of the LAN
Understanding the Collision Domain
About the Switch
Summary
Introduction to the IOS
Why the IOS
Basic Functions of the IOS
The User EXEC Mode
Privileged EXEC Mode
Getting CLI Help
Example of Using Context-Sensitive Help
Example Error Messages
Managing IOS Configurations
Viewing the Running-Config
Viewing the Startup-Config
Managing Cisco IOS Configuration
Managing the IOS Configuration
Copy Options
E-MACS
Improving the Use of the CLI
Summary
Starting a Switch
Installing the Switch
Understanding the LED Indicators
Initial Console Connection
Configuration Basics
Viewing the Initial Startup Status
Summary
Understanding Ethernet and Switch Operation
Media for Ethernet
Ethernet Frames
Communication Types
Introducing the MAC Address
How the Switch Works
Understanding Duplex
Configuring Duplex and Speed
Results of Duplex Settings
Results of Duplex/Speed Settings
Summary
Troubleshooting Common Switch Media Issues
Troubleshooting Tools
Problems with Media
Troubleshooting Flow Chart
Understanding Interface Status
Understanding Interface Statistics
Interface Statistics
Port Problems
Troubleshooting Flow Chart 2
Troubleshooting Port Issues
Summary
Demo – Perform Switch Startup
Demo – Troubleshooting Switch Media Issues
Demo – Command Line Help
Module 01 Review
Module 02 – Establishing Internet Connectivity 5h 2m
Understanding the TCP/IP Internet Layer
IP
Breaking Down the IPv4 Address
IP Header
Number Systems
Base X Number System (eNotes)
Conversion to Binary
IPv4 Address Classes
Reserved IPv4 Addresses
What is DNS
Verify a Windows Host IP
Verify Switch IP Configuration
Summary
Understanding IP Addressing and Subnets
Why Subnets
Using a Subnet Mask
Subnet Mask Values
Default Class A Subnet Mask
Default Class B Subnet Mask
Default Class C Subnet Mask
Default Gateways
Host and Subnet Combinations for Class B
Using Subnet Masks
Network Addressing Scheme
VLSM
VLSM Scenario
Summary
Understanding the TCP/IP Transport Layer
Transport Layer Functions
TCP vs. UDP
Comparing TCP and UDP
UDP
The UDP Header
TCP
TCP/IP Application Layer
TCP 3-Way Handshake (eNotes)
Summary
Exploring the Functions of Routing
The Router’s Role
Router Components
Function of the Router
Best Path Determination
The Routing Table
How Routes are Learned
Dynamic Routing Protocols
Comparing the DV to the LS
Summary
Configuring a Cisco Router
Initial Power On
Initial Router Setup
Router Configurations
Exploring Router Neighbors
Answer: CDP
CDP
Show CDP Details
LLDP
LLDP Limitations
LLDP Benefits
Summary
Exploring the Packet Delivery Process
Ethernet Addressing
Layer 3 Addressing
What is ARP
Host-to-Host Packet Delivery
What the Switch Does
Summary
Enabling Static Routing
Routing Operations Static vs Dynamic Routes Should You Use a Static Route?
Configure a Static Route
Default Routes
Verify Static Routes
Summary Managing Traffic Using ACLs What is an ACL?
How an ACL Operates
Wildcard Masking
Types of ACLs
Testing an IP Packet on a Numbered ACL
Basic ACL Configuration
Summary
Enabling Internet Connectivity
The Demarcation Point
What is DHCP
Service Provider Options
Configure a Static Provider Assigned IP Address
Configuring the Router as a DHCP Client What is RFC 1918 Private Addresses What is NAT?
Nomenclature of NAT
Example of NAT
NAT Options
Static NAT
Static NAT Configuration
Verifying Static NAT
Dynamic NAT
Verifying Dynamic NAT What is PAT?
Configuring PAT
Verifying PAT
Troubleshooting NAT
Troubleshooting Scenario
Summary
Demo – Performing Initial Router Setup Media Issues
Demo – Connecting to the Internet
Demo – Life of a Packet
Module 02 Review
Module 03 – Managing Network Device Security 3h 53m
Securing Administrative Access
Overview of Network Device Security
Securing Remote Access
Service Password Encryption
Securing Physical Access
Securing VTY Lines
Using SSH
SSH Clients
Remote Access Reply
SSH
Encryption Process (eNotes)
Configuration Steps
Using ACL for Remote Access Security
Other Authentication Options
Using the Login Banner
Summary
Implementing Device Hardening
Reducing Attack Vectors
How to Disable a Port
Introducing Port Security
How to Configure Port Security
Verify Port-Security
Disabling Services
Turning Off Unused Services
NTP
How to Configure NTP
Verify NTP
AAA
Authentication
Authentication (eNotes)
AAA Configuration
Authentication Servers
AAA Configuration (Cont.)
Summary
Implementing Traffic Filtering with ACLs
Filtering Traffic with ACLs
How an Outbound ACL Functions
How to Apply ACL to an Interface
Introducing the Extended ACL
Creating a Numbered Extended ACL
Using a Named ACL
Best Practices
Monitoring ACLs
Troubleshooting ACL – Take 1
Troubleshooting ACL – Take 2
Troubleshooting ACL – Take 3
Troubleshooting ACL – Take 4
Troubleshooting ACL – Take 5
Troubleshooting ACL – Take 6
Troubleshooting ACL – Take 7
Summary
Demo – Enhancing the Security of the Initial Configuration
Demo – Device Hardening
Demo – Filtering Traffic with ACLs
Demo – Configuring SSH
Demo – Configuring NTP
Demo – AAA
Demo – DHCP Snooping
Module 03 Review
Module 04 – Building a Medium-Sized Network 3h 49m
Implementing VLANs and Trunks
Problems with a Poorly Designed Network
Introducing VLANs
Trunks and 802.1Q
Using Trunks
How to Create a VLAN
Verify the VLAN
Assign VLAN to an Access Port
Creating a Trunk
VTP
VTP Modes
VTP Configuration
VLAN Design Practices
Designing Redundancy
Summary
Routing Between VLANs
Introducing Inter-VLAN Routing
Ways to do Inter-VLAN Routing
Summary
Using a Cisco Network Device as a DHCP Server
Why DHCP
How DHCP Works
Configuring DHCP on a Router
DHCP Monitoring
DHCP Relay Agent
Summary
Introducing WAN Technologies
Introducing WANs
Comparing WANs and LANs
Routers and the WAN
Types of WAN Links
Using Point-to-Point Connections
Summary
Introducing Dynamic Routing Protocols
Why Use a Dynamic Routing Protocol
Classifying Routing Protocols
IGP: Distance Vector and Link-State Routing Protocols
Understanding the Link-State Protocol
RIPv2
RIPv2 Limitations
Metric
RIP Configuration
RIPng
Summary
Implementing OSPF
Describing OSPF
Adjacencies
The SPF Algorithm
Router ID
Configuring Single Area OSPF
Verify OSPF
Summary
Demo – Configuring Expanded Switch Networks
Demo – Configuring DHCP Server
Demo – Implementing OSPF
Demo – Troubleshooting OSPF
Demo – Implementing RIPv2
Module 04 Review
Module 05 – Introducing IPv6 1h 50m
Introducing Basic IPv6
Problems With IPv4
New Problems With the IPv4 Solutions
Features of IPv6
IPv6 Address Description
IPv6 Transmission Types
The IPv6 Unicast Address
EUI-64 Automatic Host ID
IPv6 Address Allocation
Basic IPv6 Commands
Example IPv6 Static Configuration
Verify IPv6 Address
Basic Connectivity Tests
Summary
Understanding IPv6
Review of the IPv4 Header
The IPv6 Header
ICMPv6
Discovery Messages
SLAAC
SLAAC for Routers
Summary
Configuring IPv6 Routing
IPv6 Routing
Supported Routing Protocols
IPv6 Static Route
Dynamic Routing Protocols
Summary
Demo – IPv6 Addresses
Demo – Configure and Verify IPv6 Routing
Demo – IPv6 ACL
Demo – IPv6 RIP
Module 05 Review
Course Closure
Total Duration: 17h 49m