CCNA
Course Overview
Welcome
- Introduction
- How to Make the Most of This Course
- Course Material Download
- The Study Plan
- The Udemy Interface
- Why Passing the CCNA is Going to Turbo Charge Your Career
How to Use the Lab Exercises and Anki Flashcards
- How to Use the Lab Exercises and Anki Flashcards Introduction
- Cisco Packet Tracer Installation
- How to Use the Course Lab Exercises
- Packet Tracer Installation Notes and FAQ
- How to Use the Anki Flashcards
Host to Host Communications
- Introduction
- A (Very) Basic Introduction to Networking
- The OSI Reference Model Overview
- The TCP/IP Stack
- The Upper OSI Layers
- The Lower OSI Layers
The Cisco IOS Operating System
- Introduction
- Cisco Operating Systems
- Connecting to a Cisco Device over the network
- Making the Initial Connection to a Cisco Device
- Navigating the Cisco IOS Operating System Part 1
- Navigating the Cisco IOS Operating System Part 2
- Cisco IOS Configuration Management
- The IOS Operating System – Lab Exercises
OSI Layer 4 – The Transport Layer
- Introduction
- The Transport Layer Header, TCP and UDP
OSI Layer 3 – The Network Layer
- Introduction
- The IP Header
- Unicast, Broadcast and Multicast Traffic
- How to Count in Binary
- IPv4 Addresses
- Calculating an IPv4 Address in Binary
- The Subnet Mask
- Slash Notation
IP Address Classes
- Introduction
- Class A IP Addresses
- IP Address Classes B and C
- IP Address Classes D and E
Subnetting
- Introduction
- CIDR Classless Inter-Domain Routing
- Subnetting Overview
- Subnetting Class C Networks and VLSM
- Subnetting Practice Questions
- Variable Length Subnet Masking Example Part 1
- Variable Length Subnet Masking Example Part 2
- Subnetting Large Networks Part 1
- Subnetting Large Networks Part 2
- Subnetting on the 4th Octet – Written Example
- Subnetting on the 3rd Octet – Written Example
- Private IP Addresses Part 1
- Private IP Addresses Part 2
- Subnetting Table and Subnet Calculator
- Where to Get More Subnetting Practice
- Additional Subnetting Practice
OSI Layer 2 – The Data-Link Layer
- Introduction
- Local Area Network Layer 2 – Ethernet
OSI Layer 1 – The Physical Layer
- Introduction
- Ethernet Connection Media
Cisco Device Functions
- Introduction
- Switches vs Hubs
- Switch Operation
- Routers
- Other Cisco Devices
- Cisco Device Functions – Lab Exercises
The Life of a Packet
- Introduction
- DNS The Domain Name System
- DNS on Cisco Routers
- ARP Address Resolution Protocol
- ARP for Routed Traffic
- Life of a Packet Example Part 1 – DNS
- Life of a Packet Example Part 2 – HTTP
- The Life of a Packet – Lab Exercises
The Cisco Troubleshooting Methodology
- Introduction
- The Cisco Troubleshooting Methodology
- Cisco Troubleshooting Methodology – Lab Example
- The Cisco Troubleshooting Methodology – Lab Exercises
Cisco Router and Switch Basics
- Introduction
- Basic Router and Switch Configuration
- The Setup Wizard
- Speed and Duplex Settings
- CDP and LLDP
- Basic Layer 1 and 2 Troubleshooting
- Basic Layer 1 and 2 Troubleshooting – Lab Demo
- Cisco Router and Switch Basics – Lab Exercises
Cisco Device Management
- Introduction
- The Boot Up Process
- The Boot Up Process Lab Demo
- Factory Reset and Password Recovery
- Password Recovery Lab Demo
- Backing up the System Image and Configuration
- Upgrading IOS
- Cisco Device Management – Lab Exercises
Routing Fundamentals
- Introduction
- Connected and Local Routes
- Connected and Local Routes Lab Demo
- Static Routes
- Static Routes Lab Demo
- Summarisation, Longest Prefix Match, and Default Routes
- Summary Routes and Longest Prefix Match Lab Demo
- Default Routes and Load Balancing Lab Demo
- Routing Fundamentals – Lab Exercises
Dynamic Routing Protocols
- Introduction
- Dynamic Routing Protocols vs Static Routes
- Dynamic Routing Protocols Lab Demo
- Routing Protocol Types
- Routing Protocol Types Lab Demo
- Routing Protocol Metrics
- Routing Protocol Metrics Lab Demo
- Equal Cost Multi Path
- Equal Cost Multi Path Lab Demo
- Administrative Distance
- Administrative Distance Lab Demo
- Loopback Interfaces
- Adjacencies and Passive Interfaces
- Adjacencies and Passive Interfaces Lab Demo
- Dynamic Routing Protocols – Lab Exercises
Connectivity Troubleshooting
- Introduction
- Basic Connectivity Troubleshooting
- Connectivity Troubleshooting – Lab Exercises
IGP Interior Gateway Protocol Fundamentals
- Introduction
- RIP the Routing Information Protocol
- RIP Lab Demo
- EIGRP – the Enhanced Interior Gateway Routing Protocol
- EIGRP Lab Demo
- IGP Fundamentals Configuration – Lab Exercises
OSPF – Open Shortest Path First
- Introduction
- OSPF Characteristics
- OSPF Basic Configuration
- OSPF Basic Configuration Lab Demo
- OSPF Advanced Topics
- OSPF Advanced Topics Lab Demo
- OSPF Areas
- OSPF Areas Lab Demo
- Bandwidth vs Clock Rate and Speed
- OSPF Cost Metric
- OSPF Cost Metric Lab Demo
- OSPF Adjacencies
- OSPF Adjacencies Lab Demo
- OSPF DR and BDR Designated Routers
- OSPF DR and BDR Lab Demo
- OSPF Configuration – Lab Exercises
VLANs Virtual Local Area Networks
- Introduction
- Campus LAN Design – Core, Distribution and Access Layers
- Spine-Leaf Network Design
- Why we have VLANs
- VLAN Access Ports
- VLAN Access Ports Lab Demo
- VLAN Trunk Ports
- VLAN Trunk Ports Lab Demo
- DTP Dynamic Trunking Protocol
- VTP VLAN Trunking Protocol
- VTP Lab Demo
- VLAN Configuration Lab Exercises
Inter-VLAN Routing
- Introduction
- Router with Separate Interfaces
- Router on a Stick
- Layer 3 Switch
- Layer 3 Switch Lab Demo
- VLAN and Inter-VLAN Routing Configuration – Lab Exercises
DHCP – Dynamic Host Configuration Protocol
- Introduction
- DHCP Dynamic Host Configuration Protocol
- Cisco DHCP Server
- External DHCP Server
- Windows, Mac and Linux client IP settings
- Cisco DHCP Client
- DHCP Configuration – Lab Exercises
HSRP – Hot Standby Router Protocol
- Introduction
- Network Redundancy
- FHRP First Hop Redundancy Protocols
- HSRP Hot Standby Router Protocol
- HSRP Advanced Topics
- HSRP Configuration – Lab Exercises
STP – Spanning Tree Protocol
- Introduction
- Layer 3 Path Selection and Loop Prevention Review
- Why we have the Spanning Tree Protocol
- Spanning Tree Terminology – The Bridge
- How Spanning Tree Works
- Spanning Tree Versions
- Verification – show spanning-tree
- Verification – show mac address-table
- Manipulating the Root Bridge Election
- Spanning Tree and HSRP Alignment
- Portfast, BPDU Guard and Root Guard
- STP Troubleshooting – Lab Exercises
- STP Configuration – Lab Exercises
EtherChannel
- Introduction
- Why we have EtherChannel
- EtherChannel Load Balancing
- EtherChannel Protocols and Configuration
- EtherChannel Lab Demo
- StackWise, VSS and vPC
- Layer 3 EtherChannel
- EtherChannel Configuration – Lab Exercises
Switch Security
- Introduction
- DHCP Snooping
- DAI Dynamic ARP Inspection
- 1X Identity Based Networking
- Preventing Unauthorised Devices with Port Security
- Preventing Unauthorised Devices with Port Security Lab Demo
- Locking Ports to Hosts with Port Security
- Locking Ports to Hosts with Port Security Lab Demo
- Port Security Configuration – Lab Exercises
ACLs – Access Control Lists
- Introduction
- Access Control Lists Overview
- Standard, Extended and Named ACLs
- ACL Syntax
- ACL Operations
- Numbered ACLs Lab Demo
- Named ACLs Lab Demo
- Access Control Lists Configuration – Lab Exercise
NAT – Network Address Translation
- Introduction
- IPv4 Address Exhaustion and NAT
- Static NAT
- NAT Translations – Inside Local, Inside Global, Outside Local, Outside Global
- Static NAT Lab Demo
- Dynamic NAT
- Dynamic NAT Lab Demo
- PAT Port Address Translation
- PAT Port Address Translation Lab Demo
- Network Address Translation Configuration – Lab Exercise
IPv6 Addressing and Routing
- Introduction
- Why We Need IPv6
- The IPv6 Address Format
- IPv6 Global Unicast Addresses
- IPv6 Global Unicast Addresses Lab Demo
- EUI-64 Addresses
- Unique Local and Link Local Addresses
- Link Local Addresses Lab Demo
- SLAAC Stateless Address AutoConfiguration
- IPv6 Static Routes
- IPv6 Static Routes Lab Demo
- IPv6 Addressing and Routing – Lab Exercise
WAN – Wide Area Networks
- Introduction
- WAN Overview
- VPN – Virtual Private Networks
- WAN Connectivity Options
- Leased Lines
- MPLS Multi Protocol Label Switching
- PPPoE Point to Point Protocol over Ethernet
- WAN Topology Options
The Security Threat Landscape
- Introduction
- The Security Threat Landscape
- Common Attacks
- Firewalls and IDS/IPS
- Firewalls vs Packet Filters
- Cryptography
- TLS Transport Layer Security
- Site-to-Site VPN Virtual Private Networks
- Remote Access VPN Virtual Private Networks
- Threat Defense Solutions
Cisco Device Security
- Introduction
- Line Level Security
- Privileged Exec and Password Encryption
- Line Level Security Lab Demo
- Usernames and Privilege Levels
- SSH Secure Shell
- SSH Secure Shell Lab Demo
- AAA Authentication, Authorization and Accounting
- AAA Configuration
- Global Security Best Practices
- Global Security Best Practices Lab Demo
- Cisco Device Security Configuration – Lab Exercises
Network Device Management
- Introduction
- Syslog
- Terminal Monitor and Logging Synchronous
- Syslog Lab Demo
- SNMP Simple Network Management Protocol
- SNMP Lab Demo
- SNMPv3 Configuration
- SNMPv3 Lab Demo
- Syslog vs SNMP
- Network Device Management – Lab Exercises
QoS Quality of Service
- Introduction
- QoS Overview
- Classification and Marking
- Congestion Management
- Policing and Shaping
Cloud Computing
- Introduction
- Traditional IT Deployment Models
- Defining Cloud Computing
- Cloud Computing Case Study
- Server Virtualization
- Virtualizing Network Devices
- Cloud Service Models
- Cloud Deployment Models
- Cloud Computing Advantages
Wireless Networking Fundamentals
- Introduction
- Wireless Network Types
- Infrastructure Mode and Wireless Access Points
- Wireless LAN Controllers and CAPWAP
- Switch Configuration for Wireless Networks
- Wireless Channels and Radio Frequencies
- Wireless Security
- Switch Configuration for Wireless – Lab Demo
- Wireless Network Configuration – Lab Demo
- Wireless Fundamentals – Lab Exercises
Network Automation and Programmability
- Introduction
- The Benefits of Network Automation and Programmability
- Python, Git, GitHub and CI-CD
- Data Serialization Formats: XML, JSON and YAML
- APIs – CRUD, REST and SOAP
- Model Driven Programmability – YANG, NETCONF, RESTCONF and gRPC
- Lab Demo – Testing APIs with Postman
- Configuration Management Tools – Ansible, Puppet and Chef
- Ansible Lab Demo
- SDN Software Defined Networking
- Software Defined Architecture – DNA Center
- Software Defined Architecture – SD-Access
- Software Defined Architecture – SD-WAN
- Further Learning Resources
BONUS! Recommended Practice Tests
- BONUS! Recommended Practice Tests
