Welcome
Basic Networking Terms
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Terminology-terminology-and-terminology (0:22)
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Network-Interface-Card-NIC (0:46)
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What-is-a-computer-network? (1:14)
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What-is-a-Network-Protocol (1:35)
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Home-Network-and-SOHO-network (3:36)
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Ping-and-Traceroute (4:23)
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What-is-an-IP-address (2:01)
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Network-Categories-and-Components (2:18)
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Domain-Name-System-DNS (2:52)
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IP-Addressing-and-Network-Sharing (1:46)
OSI Model
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OSI Model - Part 1 - OSI Model Introduction (1:59)
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OSI Model - Part 2 - OSI Model Layers (4:07)
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Quiz
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OSI Model - Part 3 - Split of concentration (6:26)
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OSI Model - Part 4 - Layer 7: Application Layer (2:41)
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OSI Model - Part 5 - Layer 6: Presentation Layer (2:06)
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OSI Model - Part 6 - Layer 5: Session Layer (1:23)
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OSI Model - Part 7 - Top layers versus lower layers (0:23)
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OSI Model - Part 8 - Transport Layer (4:53)
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OSI Model - Part 9 - Network Layer (2:59)
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OSI Model - Part 10 - Data Link Layer (3:25)
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OSI Model - Part 11 - Physical Layer (4:30)
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OSI Model - Part 12 - Host Communication (3:37)
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OSI Model - Part 13 - Encapsulation (2:51)
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OSI Model - Part 14 - TCP/IP versus OSI Model (6:12)
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OSI Model - Part 15 - Demo: Wireshark (4:34)
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Quiz
Binary
Hexadecimal
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Hexadecimal - Demo of MAC addresses and ARP cache (3:50)
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Hexadecimal - Demo of MAC addresses and ARP cache (continued) (1:43)
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Hexadecimal conversion theory and demos Part 1 (3:20)
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Hexadecimal conversion theory and demos Part 2 (0:43)
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Hexadecimal conversion theory and demos Part 3 (1:25)
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Hexadecimal conversion theory and demos Part 4 (2:46)
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Hexadecimal conversion theory and demos Part 5 (2:32)
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Hexadecimal conversion theory and demos Part 6 (0:40)
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Hexadecimal conversion theory and demos Part 7 (1:19)
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Quiz
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 (1:48)
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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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IP Addressing Part 17 (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 (4:09)
Cisco IOS Software and Initial Device Configuration
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Overview (2:47)
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Uses of Cisco IOS Software (3:47)
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Physical connection to the Cisco router (3:35)
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How to connect to a routerswitch (4:57)
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Initial Startup (8:10)
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Configuration of the router (1:40)
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Modes - User (4:51)
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Modes - EnablePrivilege (1:40)
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Modes - User EXEC (0:54)
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Modes - Global Config (3:36)
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Modes - Interface (3:44)
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Quiz
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Modes - Line (2:45)
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Modes - Line (continuation) and Router mod (2:02)
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Help (5:28)
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Commands (4:47)
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Commands (continuation) (1:22)
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Managing Cisco IOS Configuration (2:06)
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Copy Running Config Startup Config (3:07)
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Copy Running Config Startup Config (contin (0:41)
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Difference in the configuration (5:16)
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Erase startup config (1:49)
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TFTP Backup (0:42)
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Managing Cisco IOS Configuration (8:38)
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Storing files in Flash (1:27)
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Terminal Length (3:39)
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Initial Device Configuration Part 21 (1:49)
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Quiz
IP Subnetting
IPv4 Subnetting Cheat Sheet
IP 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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Quiz 1
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Quiz 2
GNS3 Switching demos: Unicast, Broadcast, Multicast, MAC address tables
Physical Terminations Cheat Sheet
GNS3 Hub, Switch, Wireshark
Duplex and Speed Mismatch Demo
What is a loopback?
TCP-UDP
DHCP DNS
Using a Cisco IOS Network Device as a DHCP Server (GNS3)
DHCP Troubleshooting
VLANs v1
VLANS Cheat Sheet
VLANs and 802.1Q Demos
GNS3 Campus 1: Overview
GNS3 Campus 1: Basic Configuration
GNS3 Campus 1: CDP and LLDP
Dynamic Trunk Protocol - DTP
GNS3 Campus 1: VLANS, trunks, access ports
Spanning Tree v2
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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 (2:37)
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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)
Spanning Tree Cheat Sheet
CDP Overview
GNS3 Campus 1: Link Aggregation / Etherchannel
GNS3 Cisco Etherswitch Service module (Layer 2 switching)
GNS3 Campus 1: Spanning Tree testing
GNS3 Campus 1: Spanning Tree optimization
Static routing VLOG
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)
CCNA Campus VLOGs
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CCNA #065 Routed ports, Switchports and SVIs - what and how (12:25)
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CCNA #067 How to configure Layer 3 switching and interVLAN routing for the CCNA Exam (Part2) (9:13)
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CCNA #066 How to configure Layer 3 switching and interVLAN routing for the CCNA Exam (7:44)
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CCNA #068 How to configure Layer 3 switching and interVLAN routing for the CCNA Exam (Part3) (7:32)
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CCNA #071 Using Ostinato to prove how broadcasts work for the CCNA Exam (Part 1) (6:30)
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CCNA #072 Using Ostinato to prove how broadcasts work for the CCNA Exam (Part 2) (5:05)
RIP
Campus Network Troubleshooting
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CCNA #042 Youtube Part 7 - FINAL Capture 2 and 3 and 4 and 5 - Switching TS - VLOG 42 (13:20)
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CCNA #043 Youtube Part 7 - Capture 6 - Switching TS FINAL VLOG 43 (9:18)
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OSPF link encapsulation issues - VLOG 45 (6:12)
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CCNA #052 Campus troubleshooting scenario 3 Can you find the issue (7:10)
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CCNA #060 LAN and WAN troubleshooting Scenario Can you find the issue (13:00)
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CCNA #069 MAC Address troubleshooting scenario 1 Can you find the issue (9:27)
Static Routing
RIP Troubleshooting
IP Default-gateway? (CCNA VLOG)
RIP Cheat Sheet
Administrative Distance and Route lengths
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CCNA #014 Routing decisions OSPF or EIGRP CCNA 200-125 exam questions (7:12)
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CCNA #016 OSPF, EIGRP, RIP or Static Routes Routing decisions CCNA 200-125 exam (9:04)
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CCNA #017 What is a RIB Failure EBGP versus IBGP CCNA 200-125 exam questions (6:15)
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CCNA #018 Routing exam questions Who wins OSPF, EIGRP or RIP Sure CCNA 200-125 exam (5:32)
GNS3 Campus 1: HSRP
Router on a stick
First Hop Redundancy Cheat Sheet
Network Time Protocol (NTP)
Port SPAN (Mirroring)
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)
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)
Troubleshoot Telnet Issues
DHCP Snooping
Port Security
802.1X, RADIUS, TACACS and ACS
Switch Stacking
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)
ACLS
Access List Cheat Sheet
Quality of Service (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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Classification 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
IP Telephony Setup
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 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 troubleshooting (6:40)
NAT Cheat Sheet
GNS3 Campus 1: EIGRP and redistribution
GNS3 Campus 1: NAT and Internet access
OSPF
OSPF Cheat Sheet
Cisco IGP Cheat Sheet
IPv6
IPv6 Cheat Sheet
Wide Area Networks (Point-to-point)
DCE DTE - physical routers
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)
VPN Config Generator Software (Optional)
IPSec Cheat Sheet
Old Cisco 200-125 CCNA Exam Content. Ignore if you are studying for new CCNA.
EIGRP
EIGRP Troubleshooting
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EIGRP Neighbor Troubleshooting Part 1 (CCNA VLOG #021) (8:17)
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EIGRP Neighbor Troubleshooting Part 2 (CCNA VLOG #022) (5:47)
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EIGRP Neighbor Troubleshooting Part 3 - DUAL Algorithm (CCNA VLOG #023) (6:14)
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EIGRP Neighbor Troubleshooting Part 4 Retransmission retry limit exceeded (CCNA VLOG #024) (7:03)
EIGRP GNS3 Labs
EIGRP Cheat Sheet
IPv6 Routing - EIGRP
IOS Licensing
VTP
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VTP Overview (5:27)
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VTP Overview Part 2 (5:16)
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VTP Modes (6:12)
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VTP Versions (1:22)
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VTP on real 3750 switch (6:05)
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VTP - Demo- Erase switch config (0:31)
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VTP Pruning (4:28)
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VTP Defaults (0:46)
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VTP Warnings! (2:00)
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VTP Demo- Overview & Switch 1 config (6:43)
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VTP Demo- Autonegotiation S2 (4:44)
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VTP Demo- VTP Client (6:50)
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VTP Demo- Client overrides server (8:42)
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VTP Network Meltdown! VLANs removed from database! (8:29)
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VTP Demo- Network Back Again and Transparent Mode (2:40)
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VTP- Physical swtiches auto learn VTP domain (4:45)
CCNA VLOGs: VTP Troubleshooting
BGP
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BGP and the CCNA (1:28)
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BGP Overview (2:56)
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BGP Looking Glass (5:47)
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GNS3 BGP Part 1 (3:05)
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GNS3 BGP Part 2 (8:28)
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GNS3 BGP Part 3 (9:35)
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GNS3 BGP Part 4 (7:54)
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GNS3 BGP Part 5 (3:43)
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GNS3 BGP Part 6 (11:03)
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GNS3 BGP Part 7 (8:19)
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GNS3 BGP Part 8 (4:28)
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GNS3 BGP Part 9 (7:11)
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GNS3 BGP Part 10 (3:48)
BGP Cheat Sheet
Basic Networking Terms
