Welcome
Download and Install Recommended Software
Basic Networking Terms
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What is a network? (7:01)
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Most basic type of network (7:09)
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A bit of networking history (4:53)
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Servers, Clients, Ports and Protocols (8:01)
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Practical Demonstration using Packet Tracer (15:40)
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Networking Devices: Repeaters, Hubs, Switches and Routers (12:48)
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Networking Devices: Firewalls, IDS, IPS and WLC (6:56)
TCP/IP Model
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OSI and TCP-IP Models: Who cares? Rants and arguments (8:58)
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Life is more complicated: Tips and Tricks (7:10)
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Practical TCP-IP Model Part 1: Bits, Frames, Packets, Segments and more (7:14)
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Practical TCP-IP Model Part 2: HTTP captures (7:24)
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Practical TCP-IP Model Part 3: Port Numbers (9:06)
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Practical TCP-IP Model Part 4: E-mail and FTP captures (7:26)
Binary
Hexadecimal
IP Addressing
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IP Addressing Overview (4:28)
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Demonstration (1:58)
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IP Characteristics (5:39)
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IPv4 Address Format (1:37)
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Network versus Host portion (6:56)
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IPv4 Address format (Street Analogy) (2:06)
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Address Classes (3:50)
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Class A and B addresses (5:01)
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Class C addresses (1:35)
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Class D and E addresses (2:18)
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Class A, B and C Addresses (3:45)
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Special IPv4 Addresses (0:32)
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Directed Broadcast Address (5:01)
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Local Broadcast Address (4:27)
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Local Loopback Address (4:59)
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RFC1918 - Private Addresses (4:52)
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RFC1918 - Class A, B, C (2:22)
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IPv4 Link Local Addresses (4:14)
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Subnet Masks (3:36)
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Is a host or remote (4:46)
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Subnet mask demonstrations (3:16)
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Discontiguous Network Masks (1:52)
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CIDR Notation Part 1 (0:47)
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CIDR Notation Part 2 (2:08)
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CIDR Notation Part 3 (5:22)
Initial Device Configuration
Basic Cisco Configuration Lab
IP Subnetting
Subnetting Packet Tracer Lab 1
Subnetting Packet Tracer Lab 2
IPv4 Subnetting Cheat Sheet
Subnetting VLOGs - do you know the answers?
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CCNA VLOG #050 CCNA IP addressing and subnetting Are these hosts on the same subnet (8:50)
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CCNA VLOG #051 CCNA IP addressing and subnetting Can these hosts ping each other (7:32)
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CCNA VLOG #053 CCNA IP addressing and subnetting Can these hosts ping each other (6:51)
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CCNA VLOG #079 IP Addressing and IP Subnetting for the CCNA Exam (Part 1). Practical IP Subnetting. (10:58)
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CCNA VLOG #080 IP Addressing and IP Subnetting for the CCNA Exam (Part 2). Practical IP Subnetting (8:59)
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CCNA VLOG #081 IP Addressing and IP Subnetting for the CCNA Exam (Part 3). Practical IP Subnetting. (11:45)
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CCNA VLOG #083 IP Addressing and IP Subnetting for the CCNA Exam (Part 4). Practical IP Subnetting. (10:34)
Cabling and Packet Flows
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How does data flow in hubs, switches and routers (6:15)
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Ethernet history (5:20)
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10base2, MAC addresses, (5:30)
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MAC Addresses, CSMACD (6:26)
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Issues with 10base2, Collision domains (2:38)
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Broadcast domains, 10BaseT (2:53)
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Unshielded Twisted Pair (UTP), Cross Over Cables (6:06)
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Which cable should you use Cross over or straight Auto MDI MDIX (2:33)
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Cable Categories, Cat 1 to Cat 8 (6:22)
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DAC cable, SFPs (1:01)
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Roll Over Cable (1:57)
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How Devices Operate, Hubs (4:40)
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How does a Hub forward traffic (6:10)
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What is a bridge? (4:37)
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How does a bridge forward traffic (6:22)
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What is a switch (1:16)
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How do switches forward traffic (7:16)
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What is half duplex and full duplex (5:51)
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What is a router (4:03)
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How does a router forward traffic (9:43)
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How is traffic routed between subnets? (2:57)
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Routing between subnets - What are the IP address and MAC address values? (2:59)
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Does a router change the MAC address or IP address (8:35)
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Summary or routing, MAC addresses and IP addresses (9:07)
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CCNA VLOG #070 Using Ostinato to prove how networks work for the CCNA Exam. Don't be bitten! (7:33)
Physical Terminations Cheat Sheet
Life of a Packet: Packet Tracer Labs
Broadcast and collision domains
Duplex and Speed Mismatch Demo
What is a loopback?
TCP UDP
Wireshark Introduction
Wireshark Basics
VLANs v1
VLANS Cheat Sheet
VLANs and 802.1Q Demos
VLAN: Basic Campus Network: Packet Tracer Lab
Dynamic Trunk Protocol - DTP
Wireshark Practical Test: How well do you know DTP?
Spanning Tree
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Spanning Tree Overview (2:05)
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Versions of Spanning Tree (4:07)
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Why is Spanning Tree Required (7:27)
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BPDUs and Bridge IDs_Edited (2:38)
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Demo STP Root (7:36)
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Root Ports and Designated Ports (8:24)
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Extended Bridge ID (4:17)
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PortFast (2:35)
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Path Cost Part 1 (1:42)
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Path Cost Part 2 (5:30)
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Path Cost Part 3 (4:21)
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PVST versus RPVST Port States (8:23)
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RPVST and PVST Interoperability (2:36)
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802.1w and 802.1s Overview (3:03)
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802.1w (7:09)
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Demo 802.1w (7:19)
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802.1w Link Types (3:06)
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802.1w Proposals (6:18)
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802.1s MSTP (6:22)
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Spanning Tree Comparison Summary (3:35)
Disable Spanning Tree - are you crazy?
Spanning Tree PortFast: Packet Tracer Lab
Spanning Tree Cheat Sheet
CDP Overview
CCNA Campus VLOGs
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CCNA VLOG #065 Routed ports, Switchports and SVIs - what and how (12:25)
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CCNA VLOG #066 How to configure Layer 3 switching and interVLAN routing for the CCNA Exam (7:44)
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CCNA VLOG #067 How to configure Layer 3 switching and interVLAN routing for the CCNA Exam (Part2) (9:13)
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CCNA VLOG #068 How to configure Layer 3 switching and interVLAN routing for the CCNA Exam (Part3) (7:32)
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CCNA VLOG #071 Using Ostinato to prove how broadcasts work for the CCNA Exam (Part 1) (6:30)
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CCNA VLOG #072 Using Ostinato to prove how broadcasts work for the CCNA Exam (Part 2) (5:05)
Campus Network Troubleshooting
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CCNA VLOG #042 Campus troubleshooting scenario 1: Can you find the issue? (13:20)
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CCNA VLOG #043 Campus troubleshooting scenario 2: Can you find the issue? (9:18)
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CCNA VLOG #045 Users cannot ping? Which layer of the OSI model broke? (6:12)
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CCNA VLOG #052 Campus troubleshooting scenario 3: Can you find the issue? (7:10)
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CCNA VLOG #060: LAN and WAN troubleshooting Scenario: Can you find the issue? (13:00)
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CCNA VLOG #069: MAC Address troubleshooting scenario 1: Can you find the issue? (9:27)
Packet Tracer Campus Network: Part 1
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Packet Tracer Campus Network Overview- Can you complete the lab? (8:01)
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Packet Tracer Campus Network- Answers Part 1- Power on and hostname configuration (7:48)
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Packet Tracer Campus Network- Answers Part 2- Port configuration (7:29)
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Packet Tracer Campus Network- Answers Part 3- Passwords (5:02)
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Packet Tracer Campus Network- Answers Part 4- VTP and VLANS (4:28)
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Packet Tracer Campus Network- Answers Part 5- Access ports and trunk ports (10:47)
Packet Tracer Campus Network: Part 2
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Packet Tracer Campus Network Part 2 Overview- Can you complete the lab? (4:44)
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Packet Tracer Campus Network Part 2- Answers Part 1- CDP & LLDP (6:16)
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Packet Tracer Campus Network Part 2- Answers Part 2- CDP and LLDP (5:02)
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Packet Tracer Campus Network Part 2- Answers Part 3- Spanning Tree (9:43)
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Packet Tracer Campus Network Part 2- Answers Part 4- EtherChannel (12:42)
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Packet Tracer Campus Network Part 2- Answers Part 5- EtherChannel (11:00)
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Packet Tracer Campus Network Part 2- Answers Part 6- SVIs, IP addresses, routing (8:22)
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Packet Tracer Campus Network Part 2- Answers Part 7- Access Switch IP addresses (3:31)
CDP and LLDP Wireshark Quiz
Routing Introduction
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Introduction to IP Routing (0:39)
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Overview (0:35)
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Routed vs. Routing Protocols (5:55)
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Routed protocols (2:20)
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Demonstrations (3:33)
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Static Routes and Dynamic Routes (6:14)
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Static vs. Dynamic Routing (4:10)
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Static vs. Dynamic Routing (1:08)
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How do routers determine the best route (3:32)
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Terms AS, IGPs, EGPs (4:20)
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Types of Routing Protocols -Distance Vector, Link State (8:23)
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EIGRP - advanced distance vector routing protocol (2:09)
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Administrative Distance Introduction (0:46)
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Administrative Distance values (3:10)
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Additional AD values (0:33)
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How does a router route when told conflicting information (2:29)
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Classful routing protocols (2:51)
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Auto Summarization (2:58)
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Classless routing protocols (1:54)
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Administrative Distance versus mask length (2:30)
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Administrative Distance and multiple routes with the same mask (1:20)
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Link State Routing Protocols (3:32)
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OSPF Hierarchy - Multiple areas (3:33)
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Benefits of link state routing (2:47)
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Drawbacks of link state routing (1:39)
Static Routing
Static Routes: Packet Tracer Lab
IP Default-gateway? (CCNA VLOG)
Static routing VLOGs
Router on a stick
Router on a stick: Packet Tracer lab
Using Cisco IOS Network Devices as a DHCP Server and Client (GNS3)
DHCP Server Configuration Lab 1
DHCP Server Configuration Lab 2
DHCP Troubleshooting
Administrative Distance and Route lengths
Packet Tracer Campus Network: Part 3
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Packet Tracer Campus Network Part 3- Can you complete the lab? (1:38)
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Packet Tracer Campus Network Part 3- Answers Part 1- HSRP Part 1 (8:48)
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Packet Tracer Campus Network Part 3- Answers Part 2- HSRP Part 2 (8:41)
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Packet Tracer Campus Network Part 3- Answers Part 3- HSRP & testing (10:23)
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Packet Tracer Campus Network Part 3- Answers Part 4- EIGRP (5:09)
First Hop Redundancy Cheat Sheet
Network Time Protocol (NTP)
NTP and Syslog: Packet Tracer Lab
Port SPAN (Mirroring)
Real world network management (Optional)
Create a GNS3 network and integrate NPM (Optional)
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How to Guide, Topology Overview, Windows 7 VM for NPM and Windows 2012 VHD (4:43)
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NPM Download, Access NPM software and Install and Inititial Login to NPM (6:10)
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Integration of NPM and GNS3, GNS3 VM and Build GNS3 Topology (6:31)
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Configure Routers, Configure Management network and Test IP connectivity (7:25)
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Import GNS3 network into NPM (6:58)
Network Management Fundamentals
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Applications covered in course (1:13)
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You need to know SNMP, OID and Per (0:16)
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Two main types of Network Protocol (1:13)
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Query Based Network Based Manageme (1:33)
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Event Based Network Management Pro (3:38)
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What are the best practices (2:44)
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Network Management Planning (4:34)
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Reporting (1:13)
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Network Overhead (3:02)
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Impact of Network Topology (1:48)
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ACLs and Firewall rules (3:11)
Network Management Protocols
SNMP: Packet Tracer lab
MIBs OIDs and Performance Counters
Syslog
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Overview (0:39)
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Logging levels, monitor, buffer, syslog (0:16)
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Demo Syslog levels and RFC (4:55)
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Logging levels and lower levels (0:27)
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Demo Logging levels (7:26)
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Demo Telnet (monitor) and logging (4:50)
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Demo Logging levels and monitor (1:12)
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Demo Stop logging to console (1:56)
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Demo Logging Buffer (3:47)
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Demo Kwi Syslog Server (5:42)
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Demo Syslog levels and facilities (1:23)
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Demo GNS3 setup with Syslog server (1:47)
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Demo GNS3 and Syslog (4:22)
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Demo Timestamps, dates and other options (2:56)
Managing Cisco Devices
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Cisco Router Components (4:36)
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Router Components (continued) (4:03)
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Modules (1:47)
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Demo Router components (8:52)
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Demo Router Components (4:13)
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Configuration Register Part 1 (4:33)
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Configuration Register Part 2 (4:03)
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Boot Field and software (1:31)
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Router Boot Process - POST and load of IOS (3:26)
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Boot process (2:35)
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Demo Bootup without startup config (3:57)
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Image Boot Theory (1:30)
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Boot System Command (2:12)
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Boot Process Theory - Startup Config (0:52)
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IOS Images (4:06)
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Demo IOS Systems (3:16)
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IOS Naming Conventions (3:55)
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Backup IOS to TFTP Server (4:47)
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Upgrade IOS Theory (1:00)
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Download IOS from Cisco (2:09)
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Flash Space (0:31)
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Demo Upgrade IOS (4:21)
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Password Recovery (3:28)
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Demo Password Recovery (10:29)
Configuration Register Troubleshooting: Packet tracer
Password Recovery: Packet Tracer Lab
Restore Cisco IOS images: Packet Tracer Lab
Backup and restore configurations and operating systems: Packet Tracer Lab
Infrastructure Security
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Enable and Secret Passwords 1 (2:13)
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Enable and Secret Passwords 2 (5:15)
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Enable and Secret Passwords 3 (4:31)
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Enable and Secret Passwords 4 (3:19)
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Disable Services (10:55)
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Disable CDP (4:44)
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Line console security (9:53)
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Telnet security (9:09)
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Sessions and lines (6:41)
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SSH (10:03)
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Banners - Introduction (2:25)
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Banners - MOTD (4:52)
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Login and Exec Banners (5:43)
Troubleshoot Telnet Issues
Hacking Networks with Kali Linux
DHCP Snooping and Dynamic ARP Inspection
DHCP Snooping: Packet Tracer Lab
Hacking Networks with Wireshark
Hacking VoIP
Port Security
Port Security: Packet Tracer Lab
802.1X, RADIUS, TACACS and ACS
AAA, TACACS and RADIUS: packet Tracer Lab
Switch Stacking
ACLs
Access Lists (ACLs): Packet Tracer Lab 1
Access Lists (ACLs): Packet Tracer Lab 2
Access List Cheat Sheet
Network Address Translation (NAT)
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NAT Part 1 Overview (0:48)
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NAT Part Real World NAT (3:11)
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NAT Part 3 RFC1918 (4:26)
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NAT Part 4 NAT Terms (2:55)
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NAT Part 5 Private Addresses (1:30)
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NAT Part 6 NAT Types (2:41)
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NAT Part 7 Demo Static NAT (7:52)
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NAT Part 8 Wireshark Captures (5:14)
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NAT Part 9 Show commands (1:33)
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NAT Part 10 Static NAT summary (1:02)
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NAT Part 11 GNS3 Server NAT (1:09)
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NAT Part 12 Static NAT versus Dynamic NAT (0:57)
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NAT Part 13 Dynamic NAT Overview (0:39)
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NAT Part 14 GNS3 Static NAT Demo (3:18)
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NAT Part 15 GNS3 Dynamic NAT Demo (0:49)
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NAT Part 16 Dynamic NAT Configuration (7:22)
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NAT Part 17 Show Commands (0:56)
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NAT Part 18 NAT Overloading PAT (7:59)
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NAT Part 19 PAT demo (4:39)
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NAT Part 20 Show commands (1:11)
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NAT Part 21 Source Address Theory (5:29)
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NAT Part 22 NAT Theory (7:41)
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NAT Part 23 PAT Theory (0:54)
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NAT Part 24 PAT Demo (6:44)
NAT: Packet Tracer Lab 1
NAT: Packet Tracer Lab 2
NAT: Packet Tracer Lab 3
Packet Tracer Campus Network Part 4
NAT Troubleshooting and VLOGs
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CCNA VLOG #032 Static NAT Part 1 (10:47)
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CCNA VLOG #033 Static NAT Part 2 (4:55)
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CCNA VLOG #034 NAT Single IP Multiple Servers (8:22)
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CCNA VLOG #035 NAT Troubleshooting 1 - Can you find the issue CCNA Exam 200-125 troubleshooting (8:38)
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CCNA VLOG #036 NAT Troubleshooting 2 - Can you find the issue CCNA Exam 200-125 troubleshooting? (5:01)
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CCNA VLOG #038 NAT Troubleshooting 3 - Can you find the issue CCNA Exam 200-125 troubleshooting (10:00)
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CCNA VLOG #040 NAT Troubleshooting 4 - Can you find the issue CCNA Exam 200-125 troubleshooting? (6:46)
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CCNA VLOG #046 NAT Troubleshooting Scenario 5 - Can you find the issue CCNA Exam 200-125 trouble? (6:40)
NAT Cheat Sheet
QOS
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QOS Introduction (2:33)
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Traffic Types and Requirements (3:48)
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SRND Guide (4:27)
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QOS mechanisms and Exam details (5:23)
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Classfication and Marking (3:39)
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COS (2:26)
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IP Precedence and DSCP (2:52)
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DSCP AF Classes (2:24)
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DSCP CS, AF and EF Classes (5:51)
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Router demo Part 1 (2:04)
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Router demo Part 2 (2:15)
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Final SRND Guide Recommendations (2:16)
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Final SRND Switch Examples (2:45)
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Wireshark showing COS and DSCP (8:17)
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Trust boundary (2:56)
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Traffic classes (3:46)
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Policiers and shapers Part 1 (3:26)
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Policiers and shapers Part 2 (2:54)
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Queuing (3:35)
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Queuing - FIFO, PQ, CQ, WFQ (5:41)
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Queuing - WFQ and CBWFQ (2:38)
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CBWFQ and LLQ (1:58)
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Congestion Avoidance with WRED (7:32)
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QOS Demo Part 1 (6:48)
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QOS Demo Part 2 (5:02)
Quality of Service Cheat Sheet
IP Phone Startup Process
VoIP: CUCME and Cisco IP Phones: Packet Tracer Lab
OSPF
OSPF Single Area: Packet Tracer Lab
OSPF Wireshark Quiz
OSPF Troubleshooting
OSPF Troubleshooting: Packet Tracer Lab 1
OSPF Troubleshooting: Packet Tracer Lab 2
OSPF Troubleshooting: Packet Tracer Lab 3
OSPF Multi-Area configuration and testing
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CCNA VLOG #073: OSPF Multi-area configuration and testing for the CCNA Exam (Part 1) (11:08)
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CCNA VLOG #074: OSPF Multi-area configuration and testing for the CCNA Exam (Part 2) (9:15)
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CCNA VLOG #075: OSPF Multi-area configuration and testing for the CCNA Exam (Part 3) (8:06)
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CCNA VLOG #082: OSPF Multi-area configuration and troubleshooting for the CCNA Exam (Virtual Links) (13:36)
OSPF Multiple Area: Packet Tracer Lab
OSPF Wireshark Troubleshooting Quiz
OSPF Cheat Sheet
Cisco IGP Cheat Sheet
IPv6
IPv6 Configuration: Packet Tracer Lab
IPv6 Addressing, routing and troubleshooting
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CCNA VLOG #048 IPv6 static routing using next hop IPv6 address (IPv6 routing Part 1) (10:17)
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CCNA VLOG #049 IPv6 static routing using next hop IPv6 address (IPv6 routing Par (5:55)
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CCNA VLOG #062 Troubleshooting IPv6 networks for the CCNA exam (Part 1) Can you (6:04)
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CCNA VLOG #063 Troubleshooting IPv6 networks for the CCNA exam (Part 2) (7:07)
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CCNA VLOG #064 Troubleshooting IPv6 networks for the CCNA exam (Part 3) (4:25)
IPv6 Troubleshooting: Packet Tracer Lab
IPv6 Cheat Sheet
Implementing IPv6 addressing on Hosts and Routers
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IPv6 addressing and SLAAC Part 1 (2:07)
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IPv6 addressing and SLAAC Part 2 (2:45)
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IPv6 addressing and SLAAC Part 3 (1:44)
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IPv6 addressing and SLAAC Demo 1 (6:29)
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IPv6 addressing and SLAAC Demo 2 (5:12)
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IPv6 Address and SLAAC Demo 3 (1:47)
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IPv6 Address and SLAAC Demo 4 (2:00)
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IPv6 DHCP Server, Relay Agent and Client Part 1 (2:42)
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IPv6 DHCP Server, Relay Agent and Client Part 2 (5:39)
Wide Area Networks (Point-to-point)
IPv6 Routing - OSPF
IPv6 Access Lists
GRE Tunnels
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GRE Tunnel Theory (1:54)
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GNS3 GRE Tunnel Demo Overview (4:27)
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RFCs and Protocol Types (1:52)
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GNS3 GRE Lab Part 1 IP addressing (3:36)
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GNS3 GRE Lab Part 2 GRE Tunnel Configuration (7:05)
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GNS3 GRE Lab Part 3 EIGRP (4:21)
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GNS3 GRE Lab Part 4 Wireshark captures and show commands (5:56)
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GNS3 GRE Lab Part 5 GRE and OSPF (2:56)
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VPN Config Generator (3:09)
GRE: Packet Tracer Lab
VPN Config Generator Software
IPSec Cheat Sheet
Cloud Computing
Wireless Networks (Wi-Fi)
Wi-Fi 6 Technical Discussion
Network Automation and Programmability
JSON
REST APIs
Optional: Real World Examples of Network Automation
Optional PYTHON: Quick Start Guide to Network Automation
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Quick Start 1 GNS3 Lab Setup and IDEs (10:22)
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Quick Start 2 Telnet Script creation (11:20)
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Quick Start 3 Telnet Script Test (6:04)
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Quick Start 4 Telnet to a switch and create VLANs (8:15)
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Quick Start 5 Loops (7:29)
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Quick Start 6 PEP8 Python Style Guide (2:41)
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Quick Start 7 Configure switch VLANs using loops (8:55)
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Quick start 8 Create a multiple switch network (8:16)
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Quick Start 9 Open a file of switch IP addresess (8:22)
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Quick Start 10 Configure multiple switch with a loop (3:00)
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Quick Start 11 Loops within loops (6:51)
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Quick Start 12 Backup Network Device Configurations (7:09)
Optional: Network Overlays: Paul and Peter
Capturing Passwords with Python and Wireshark
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Overview and tshark install and packet capture (5:49)
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tshark and Pyshark installation (5:10)
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Basic Pyshark testing (9:26)
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Termshark (5:55)
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Pyshark script (6:34)
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Lab overview and setup (6:39)
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iPython and interactive OSPF script (6:10)
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OSPF Password Python script (6:33)
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FTP Password Capture Python script (5:03)
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Telnet Password Capture Python Script (5:18)
Introduction to SDN and OpenFlow
What is SDN?
Optional: Is this actually real?
GNS3 Campus Network
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GNS3 Topology Overview (7:02)
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IOSvL2 Appliance Import (8:06)
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Switch Hostnames, VTP and VLANs Part 1 (5:57)
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Hostnames, VTP, VLANs Part 2 (9:13)
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IP addressing and ping testing (8:05)
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Static trunk encapsulation and mode (5:27)
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Disable DTP and configure access ports (9:06)
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Ping within a VLAN (2:35)
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Which ports are trunking and which VLANs are permitted (3:23)
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CDP Demo Basic discovery (7:28)
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CDP Demo Disable globally and per interface (6:49)
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CDP Demo Command Options (4:20)
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LLDP Demo Discover Linux Servers (6:41)
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Which ports are blocking (3:58)
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Spanning Tree blocks core switch ports (7:11)
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CDP & LLDP and STP - what happens (2:40)
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STP - optimize Core switches (10:03)
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Optimize campus network using Etherchannel (14:25)
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STP failover testing (13:53)
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HSRP Overview (6:44)
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Demo HSRP Configuration Switch 1 (6:15)
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Demo HSRP Configuration Switch 2 (8:22)
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Demo Test connectivity to HSRP router (2:49)
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Demo HSRP failover test (6:54)
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EIGRP configuration (6:16)
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EIGRP Configuration (continued) (7:43)
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Redistribute Static Route (5:14)
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Troubleshoot GNS3 cloud issue (1:41)
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Configure NAT and test (7:54)
