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Introduction​

  • What Are Cisco Challenges?
    • What You're Actually Tested On: Concepts, Configuration, Troubleshooting
    • How It Differs from Windows/Linux Images or Network Security Problems
  • Getting Started
    • Creating a NetAcad Account
    • Joining the Cisco Course
    • Installing and Setting Up Cisco Packet Tracer

How to Approach Cisco Challenges​

  • Reading the README Efficiently
  • Scripting in Cisco, Explained
  • Top Troubleshooting Techniques
    • ping, tracert, and Basic Connectivity Testing
    • Spotting VLAN Misconfigurations
    • .... more stuff soon

Cisco Packet Tracer Essentials​

  • Navigating Packet Tracer
    • Logical vs. Physical View
    • Adding/Connecting Devices, Powering Them On
    • Accessing Switch/Router CLIs
  • Cisco CLI Basics
    • Setting Hostname
    • Assigning IP Addresses
    • Setting and Encrypting Passwords
    • Enabling/Disabling Interfaces
    • Saving Configs (RAM vs. NVRAM, write, copy run start)

Core Networking Concepts​

  • What Is a Network?
    • End Devices: PCs, Servers
    • Intermediary Devices: Switches, Routers, Firewalls
  • OSI
    • Key Layers: 1, 2, 3, 4, and 7
  • IP Addressing (Without Crying)
    • Binary Basics for Subnetting
    • IP Classes, Network/Host/Broadcast IDs
    • Subnetting:
      • FLSM
      • VLSM
  • Extra Stuff
    • How Switches Forward Frames

Routing​

  • What Is Routing, Really?
  • Understanding the Routing Table
    • How to Read It
    • How the Router Decides Where to Send Stuff
  • Static Routing
    • Configuration
    • Verification show ip route and ping
  • Dynamic Routing (Later Module)
    • Quick Preview: OSPF
  • EtherChannel (Thank me Later)
    • PAgP
    • LACP

VLANs​

  • What Are VLANs
    • Types: Access, Trunk, Native, Voice
    • How VLAN Tagging Works
  • Configuring VLANs in CLI
    • Creating VLANs
    • Assigning Ports to VLANs
    • Trunk Ports vs. Access Ports
    • Removing VLANs
  • DTP
  • Inter-VLAN Routing
    • Router-on-a-Stick
    • Multi-Layer Switching

Secure Shell​

  • Console Port Security
  • Configuring SSH

NTP​

Syslog​

DHCPv4​

  • Concepts (How it works?)
  • Configuration
    • DHCPv4 Server
    • DHCPv4 Client

OSPF​

  • Foundation (Link-state DB, Areas, Costs, Neighbors & Adjacencies, LSA Types)
  • Configuration
    • Router-ID
    • Activating OSPF on interfaces
    • Passive Interface
    • Advertising default route

ACL​

  • Concepts (How it works?)
  • Configuration
    • Router-ID
    • Activating OSPF on interfaces
    • Passive Interface
    • Advertising default route

NAT​

  • Concepts (How it works?)
  • Configuration
    • Static NAT
    • Dynamic NAT
    • Dynamic PAT