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Network Fund. 1: Why We Network (And Real-World Success Tips)

Network Fund. 2: The OSI Model

Network Fund. 3: The TCP/IP Model (And Real-World Success Tips)

Physical 1: Ethernet Standards

Physical 2: Cable Types

Physical 3: The Fields Of Ethernet

1: Why Hubs Came, Why They Left

2: Bridges, Switches, and Logical Segmentation

3: Building The MAC Table, Part 1

4: Building The MAC Table, Part 2

5: Frame Processing, Hex Conversions, and Breaking Down MAC Addresses

6: Converting Hex Values To Decimal

7: Decimal-To-Hex Conversion Practice Session

Config 1: Configuration Modes and IOS Help Intro

Config 2: Exec Timeout, Logging Synch, and the Console Port

Config 3: VLAN Lab Begins

Config 4: VLAN Lab Concludes

Config 5: More VLANs / Erasing The Switch / The VLAN.DAT File

Config 6: Intro To Trunking

Config 7: The Trunking Port Modes

Config 8: Filtering Trunk Traffic On A Per-VLAN Basis

Memory 1: Memory Contents And Boot Processes

Memory 2: Setup Mode -- One Way In, Two Ways Out

Memory 3: Enable Secret and Enable Password

Memory 4: Console Port Protection With One Password

Memory 5: Console Port Protection With Username / PW Database

Memory 6: Port Security Success Fundamentals

Memory 7: Port Security Options

Memory 8: Port Security Static Lab Begins

Memory 9: Port Security Static Lab Concludes

Memory 10: Port Security Dynamic Learning Lab

Memory 11: Port Security Sticky Addresses / Errdisable Recovery Command

Routing 1: IP Addresses, Subnet Masks, and Binary Conversions

Routing 2: The Public IP Address Classes

Routing 3: The Private IP Address Classes

Routing 4: Connected Routes Walkthrough

Routing 5: Static Route Walkthrough

Sec 7/1: Introduction To SVIs

Sec 7/2: Creating A Non-Default SVI

Sec 7/3: Telnet Labs Begin

Sec 7/4: Telnet Labs End

Sec 7/5: Autonegotiation

Sec 7/6: Slashes and Console Port Options

Sec 7/7: The Description and Interface Range Commands

Sec 8/1: "TCP Good, UDP Bad"?

Sec 8/2: The Comparison Continues

Sec 8/3: Multiplexing and Intro To Port Numbers

Sec. 9/1: DNS And ARP

Sec. 9/2: DHCP Fun(damentals)

Sec 10/1: Lab Topology, Pings, And HAS Networking

Sec 10/2: Lab Continues; Intro To "Debug IP Packet"

Sec 10/3: Lab Continues, Host Static Routing

Sec 10/4: Lab Continues, Default Static Routing

Sec 10/5: Default Routes Are Beautiful (Sometimes)

Sec 11/1: Intro To Distance Vector Protocols

Sec 11/2: Split Horizon and Poison Reverse

Sec 11/3: RIP Lab Begins

Sec 11/4: RIP Lab Continues

Sec 11/5: RIP Lab Concludes

Sec 11/6: The Dangers of Autosummarization

Sec 11/7: The Cure for Autosummarization

Sec 11/8: Passive Interfaces

Sec 11/9: Administrative Distances

Sec 11/10: Fun With RIP Load Balancing

Sec 11/11: More RIP Load Balancing, Intro To Traceroute

Sec 11/12: Version Mismatches and Debugging Tips

Sec 11/13: Floating Static Route Lab Begins

Sec 11/14: Floating Static Route Lab Continues

Sec 11/15: Originating A Default Route With RIP

Subnet 1: The Whys, Ins, and Outs of Subnetting

Subnet 2: Decimal-to-Binary Conversions, Single Value Example

Subnet 3: Decimal-to-Binary Conversions, Dotted Decimal Example

Subnet 4: Binary-to-Decimal Conversions

Subnet 5: Number Of Valid Subnets -- Classic Approach

Subnet 6: Number Of Valid Subnets -- Bulldog Approach

Subnet 7: Number Of Valid Hosts

Subnet 8: Finding The Subnet Of An IP Address

Subnet 9: Determining The Broadcast Address and Valid Address Range

Subnet 10: At Last! Doing The Actual Subnetting Ourselves!

ACL 1: Access List Rules

ACL 2: Wildcard Masks Made Easy

ACL 3: Standard ACL Lab Begins

ACL 4: Standard ACL Lab Concludes

ACL 5: Extended ACL Lab

ACL 6: "Host", "Any", and "The Order Of The Lines"

ACL 7: Named Standard ACL Lab

ACL 8: Named Extended ACL Lab

ACL 9: Telnet and Extended ACLs

ACL 10: Telnet, Extended ACLs, and Time Ranges

ACL 11: Sequence Numbers, Telnet, and Extended ACLs

ACL 12: One More Telnet Test, plus Absolute Time Ranges!

ACL 13: Where To Put It, and Why

NTP 1: What's Going On

NTP 2: Server - Client Lab

NTP 3: Peering Lab

NTP 4: Broadcast Mode

NAT 1: The Fundamentals of NAT and PAT

NAT 2: Static NAT Lab

NAT 3: Dynamic NAT Lab

NAT 4: Port Address Translation Lab

IPV6 1: Curing Address Anxiety With Compression

IPV6 2: The Global Routing Prefix and Subnet ID

IPV6 3: Enabling V6 -- Twice!

IPV6 4: Configuring And Verifying IPV6 Addresses

IPV6 5: Link Local Addresses

IPv6 : Calculating the Interface Identifier

IPV6 7: Using The Interface Identifier as Host Address

IPV6 8: Router Discovery With NDP

IPV6 9: Host Discovery With NDP

IPV6 10: DHCP On Planet IPV6

IP 11: Smart Stuff Our DAD Says

IPV6 12: The IPV6 Routing Table

IPV6 13: Pinging IPV6 Addresses

IPV6 14: Static Routes (Recursive and Directly Connected)

IPV6 15: Static Routes (Fully Specified)

IPV6 16: Using The Link-Local Address With Static Routes

IPV6 17: Default and Host Static Routes

IPV6 18: Nuts, Bolts, and Frame Format Comparison

TNT 1: Timestamps

TNT 2: The Password Encryption Services

TNT 3: Console Logging

TNT 4: Buffer and Syslog Logging

TNT 5: "Where ARE My Log Messages?"

TNT 6: Banners

TNT 7: CDP Fundamentals

TNT 8: More Fun With CDP

TNT 9: The Link Layer Discovery Protocol (LLDP

TNT 10: Cisco Password Recovery Procedures

TNT 11: A Little More Config Register Work

VTP 1: Why Do We Need It?

VTP 2: Lab Continues

VTP 3: The Mysterious Joins

VTP 4: The Modes

VTP 5: The Config Revision Number

VTP 6: CRN Lab / Fully Initializing The Switch

VTP 7: The VTP Password

VTP 8: More On The VTP Password

VTP 9: Pruning and Real-World V3 Tips

STP 1: The Fundamentals

STP 2: Switching Loops and More Fundamentals

STP 3: Root Bridge Election Walkthrough

STP 4: Root Bridge Election Results (Root Bridge)

STP 5: Root Bridge Election Results (Non-Root Bridge)

STP 6: STP Timer Changes

STP 7: Root Path Cost vs. Port Cost

STP 8: Root Port Tiebreakers

STP 9: DP Selection on Non-Root Switches

STP 10: Speed Changes and Port Costs

STP 11: Per-VLAN Load Balancing

STP 12: Choosing Your Roots

STP 13: Choosing Your Secondary Roots

STP 14: Stone Cold Priority and PortFast

STP 15: Root Guard

STP 16: BPDU Guard

EC 1: The Theory

EC 2: The Configuration

EC 3: The Verification

EC 4: The Negotiation

RSTP 1: It Begins

RSTP 2: Edge Ports and Lab Work

RSTP 3: More Lab Work!

OSPF 1: Intro To Link State Protocols

OSPF 2: LSAs and Adjacencies

OSPF 3: Network Mask Match -- Yes Or No?

OSPF 4: Hello and Dead Timers

OSPF 5: The Adjacency States

OSPF 6: The DR, BDR, and RID

OSPF 7: Why Areas? PLUS: OSPF Not Starting

OSPF 8: Broadcast Network Build

OSPF 9: NBMA Network Build

OSPF 10: RID Fix, Pings, and Shows

OSPF 11: Point-to-Point Network Build

OSPF 12: Broadcast Network Build / Something's Missing...

OSPF 13: Virtual Link Build

OSPF 14: Cutting Down On Overhead w/ Passive Interfaces

OSPF 15: Verifying Your Passive Interfaces

OSPF 16: New Router In Network / Using The "Default" Option

OSPF 17: Stub Areas

OSPF 18: Total Stub Areas

OSPF 19: ABRs, ASBRs, And Other Router Types

OSPF 20: The Default-Information Originate Command

OSPF 21: Changing The Port Cost Calculation

OSPF 22: More Port Cost Calculation, Plus Changing The Cost At The Interface

OSPF 23: Bandwidth Lab

OSPF 24: Multiple Routers, One Broadcast Segment

OSPF 25: Enabling OSPF On A Per-Interface Basis

OSPF Finale

EIGRP 1: Success Fundamentals

EIGRP 2: Successor and Feasible Successor Fundamentals

EIGRP 3: NBMA Network Build

EIGRP 4: The Spoke-To-Spoke Dilemma

EIGRP 5: The Broadcast Network Build

EIGRP 6: From Feasible Successor To Successor

EIGRP 7: Variance Lab 1 (Just Right)

EIGRP 8: Variance Lab 2 (Too Big)

EIGRP 9: (No) Wildcard Mask Lab

EIGRP 10: DUAL Queries and the EIGRP RID

EIGRP 11: Packet Types and Adjacencies

EIGRP 12: Timers and Adjacencies

EIGRP 13: "Show IP EIGRP Neighbor" and FD / DR Intro

EIGRP 14: Applying The Feasibility Condition

EIGRP 15: Feasibility, Variance, and Administrative Distances

EIGRP 16: The Perils Of Autosummarization

EIGRP 17: Passive Interfaces

EIGRP 18: The Metric Weights

EIGRP 19: "You Say Goodbye, And I Say Hello..."

EIGRP 20: Route Summarization With EIGRP

EIGRP 21: The Null0 Interface And The AD5

EIGRP 22: Bandwidth Review / Intro To Delay

OSPFv3 1: Comparison Shopping

OSPFv3 2: Broadcast Segment Build

OSPFv3 3: Point-to-Point Link Build

OSPFv3 4: NBMA Build

OSPFv3 5: More NBMA Building

OSPFv3 6: Stub and Total Stub Areas

OSPFv3 7: Broadcast Segments and V3 Group Joins

OSPFv3 8: EIGRP For IPV6 Lab

OSPFv3 9: RIP For IPV6 Lab

OSPFv3 10: Pop Quiz Answer

FHRP 1: The Need For FHRP, Plus Intro To HSRP

FHRP 2: HSRP Lab Begins

FHRP 3: HSRP Theory vs. Real World

FHRP 4: Changing The HSRP Active Router

FHRP 5: HSRP Oddities and Error Messages

FHRP 6: HSRP Load Balancing

FHRP 7: HSRP Versions

FHRP 8: Three. Three Routers! (Ah Ah Ah)

FHRP 9: VRRP Theory and Lab

PTP 1: Setting Up The Lab / Intro To HDLC

PTP 2: PAP - CHAP Comparison

PTP 3: CHAP Lab (All Is Well)

PTP 4: CHAP Lab (Wrong Password)

PTP 5: CHAP Lab (Wrong / Missing Username)

PTP 6: PAP Labs

PTP 7: Intro To Multilink / Multiple Authentication

PTP 8: Intro to VPNs and GRE

PTP 9: GRE Tunnel Build 1 Begins

PTP 10: GRE Tunnel Build 1 Concludes

PTP 11: GRE Tunnel Build 2 Begins

PTP 12: Recursive Routing / GRE Tunnel Build 2 Conclude

PTP 13: GRE Tunnel Troubleshooting Checklist

PTP 14: Why Lease Lines?

PTP 15: The CSU/DSU and DTE/DCE Cables

PTP 16: PPPoE (PPP Over Ethernet) Lab

PTP 17: PPPoE Review

PTP 18: Your Introduction To DMVPN

PTP 19: Bonus! Configuring A Frame Relay Switch (Part 1)

PTP 20: Configuring A Frame Relay Switch (Part 2)

L3 Switching 1: Router-On-A-Stick Theory

L3 Switching 2: ROAS Verification / Troubleshooting

L3 Switching 3: Switched Virtual Interfaces

L3 Switching 4: Routed Ports Lab Begins

L3 Switching 5: Routed Ports, Routing Protocols, and T-Shooting

L3 Switching 6: Layer 3 Etherchannel Build Begins

L3 Switching 7: Layer 3 EC Verification and Troubleshooting

QoS 1: FIFO and WFQ

QoS 2: Tail Drop and TCP Global Synchronization

QoS 3: LLQ and Round Robins

QoS 4: IntServ and DiffServ

QoS 5: Who Do You Trust (Boundary)?

Monitor 1: SNMP Basics

Monitor 2: SNMP Demo

Monitor 3: Intro To SLA

Monitor 4: SLA Lab

Monitor 5: SPAN Begins

Monitor 6: Local SPAN Lab

Monitor 7: Deleting SPAN Sessions / Remote SPAN Theory

Monitor 8: Remote SPAN Lab / Port Restrictions

Cloud 1: Intro to Cloud Computing

Cloud 2: Intro To APIC And APIC-EM

Cloud 3: APIC-EM Lab Begins (Discovery)

Cloud 4: APIC-EM Lab Continues (Path Trace, ACL Trace)

IPv6 ACL 1: The Rules

IPv6 ACL 2: Standard ACL Build Lab

IPv6 ACL 3: Good Pings, Baaaad Pinnnnngs

IPv6 ACL 4: T-Shooting (Expected And Otherwise)

IPv6 ACL 5: Using Extended IPv6 Pings

IPv6 ACL 6: Extended ACLs / Telnet Lab

IPv6 ACL 7: Telnet Lab Continues

IPv6 ACL 8: Implicit Permits and ACLs

Metro Ethernet

MPLS, Part 1

MPLS, Part 2

MPLS VPN

Switch Stacking

Cisco's Switching Model (And Chassis Aggregation)

Chassis Aggregation

AAA Fundamentals

TACACS+ Server Config (New Commands!)

RADIUS Server Config

"AAA Authentication Login" Logic

AAA Lab

AAA Authorization And Accounting

Dot1x Port-Based Authentication Theory

Dot1x Port-Based Authentication Labs

SSH: The Theory

Telnet Review / "Transport Input All"

SSH Versions and Key Creation Lab

SSH Server Configuration Labs

SSH Version Mismatches And Wrapup (Almost)

Before You Start The BGP Section....

BGP 1: Introduction

BGP 2: External BGP Peerings

BGP 3: iBGP Peering and Loopback Interfaces

BGP 4: eBGP Peering with Loopback Interfaces

BGP 5: Advertising Routes with "Network"

BGP 6: Origin and Next-Hop Attributes

BGP 7: The Best-Path Selection Process

BGP 8: Next-Hop Addresses

BGP 9: The Next-Hop Address Rule

BGP 10: The Multi-Exit Discriminator (MED)

BGP 11: Local Pref -- All, Or Nothing At All

BGP 12: Local Preferences -- Changing One, But Not All

BGP 13: The Weight Attribute

BGP 14: More Weight Work!

BGP 15: Route Summarization

BGP 16: Synch Rules and the Full Mesh

BGP 17: Route Reflectors

BGP 18: Prefix Lists Begin

BGP 19: Prefix Lists End

BGP 20: Some Final Words

Intro 1: Citizen C.I.A.

Intro 2: Intro To SIEM

Intro 3:Ask Yourself This Question...

Intro 4: Recon Attacks and Phishing

Intro 5: Social Engineering, QPQ, And Spear Phishing

Intro 6: Privilege Escalation and Telnet Review

Intro 7: Privilege Escalation, Part II

Intro 8: DoS and DDoS Attacks

Intro 9: Advanced Persistent Threats

Attack 1: Man-In-The-Middle

Attack 2: ARP Poisoning and DAI

Attack 3: DAI Commands

Attack 4: MAC Spoofing and CAM Table Overflows

Attack 5: Port Security Fundamentals

Attack 6: Port Security Dynamic Learning (?)

Attack 7: Port Security Shutdown And Recovery

Attack 8: Port Security And Automatic Port Reenabling

Attack 9: Port Security Static Address Aging

Attack 10: Port Security Dynamic Address Aging

Attack 11: Refresh Your VLAN Knowledge here!

Attack 12: Private VLAN Theory

Attack 13: Private VLAN Lab

Attack 14: OSPF Authentication Fundamentals

Attack 15: OSPF Clear-Text Authentication Labs

Attack 16: OSPF MD5 Authentication Labs

Attack 17: Root Guard

Attack 18: BPDU Guard And Loop Guard

Attack 19: VLAN ACLs, Part 1

Attack 20: VLAN ACLs, Part 2

Attack 21: Stoppin' VLAN Hoppin'

Attack 22: DHCP Snooping Intro

Attack 23: DHCP Snooping Address Renewal

Attack 24: DHCP Snooping First Time Address Acquisition

Attack 24A: IPSG Theory & Lab 1

Attack 25: IPSG Lab, Part 2

Attack 26: IPSG Lab, Static Mapping, No DHCP

Attack 27: Segue To The Next Section

Levels 1: The First Default

Levels 2: The Other Two Defaults

Levels 3: Intro To Custom Levels

Levels 4: Adding Interface And Commands To A Custom Level

Levels 5: The Autocommand and One-Time Password Options

Levels 6: Privilege Levels and "Show Run"

Levels 7: Role-Based CLI Begins

Levels 8: More Role-Based CLI

Levels 9: Superviews

Levels 10: Applying The Views, Part 1

Levels 11: Applying The Views, Part 2

Levels 12: Intro To Lawful Intercept

Levels 13: The Resilient Config Labs Begin

Levels 14: More Work With Resilient Configs

Levels 15: Resilient Config Test

Levels 16: Resilient Image Test

Control Plane 1: Intro To CoPP

Control Plane 2: Class Maps and CoPP

Control Plane 3: Policy Maps and CoPP

Control Plane 4: Verifying CoPP / Intro To CPPp

Intro To New VPN Section

VPN 1: Site-to-Site VPN Intro

VPN 2: The Two Phases Of ISAKMP

VPN 3: Writing The ISAKMP Policy, Part 1

VPN 4: Writing The ISAKMP Policy, Part 2

VPN 5: Finishing The ISAKMP Policy, Adding The Keys

VPN 6: Writing The Transform Sets

VPN 6A: Defining Interesting Traffic

VPN 7: Writing The Crypto Map

VPN 8: Testing and Troubleshooting

VPN 9: Crypto Map This n' That

VPN 10: Debugging A Tunnel Build

VPN 11: Diffie-Hellman Details

VPN 12: Using ASDM To Build A VPN, Part 1

VPN 13: ADSM and VPNs, Part 2

VPN 14: ADSM and VPNs, Part 3

Firewalls 1: What's A Firewall?

Firewall 2: Stateless and Stateful Filtering

Firewall 3: Proxy Firewalls

Firewall 4: Personal Firewalls

Firewall 5: Zone Pairs

Firewall 6: The DMZ

Firewall 7: IP Addressing For Firewall Labs

Firewall 8: Basic Firewall Lab With CCP

Firewall 9: Basic Firewall Lab Concludes

Firewall 10: Advanced Firewall Lab Begins

Firewall 11: Advanced Firewall Lab Ends

Firewall 12: Intro To ASA Firewalling

Firewall 13: Configuring A New ASA

Firewall 14: ADSM Lab Begins -- Outside Interface

Firewall 15: ADSM Lab Continues

Firewall 16: ADSM Lab Continues (Access Rule Application)

Firewall 17: ASDM Lab Continues (Global Permit Any Any)

Firewall 18: ASDM Lab Concludes

Firewall 19: Same Security Levels

IPS 1: Intro To The IPS And IDS

IPS 2: Where They Go (Usually...)

IPS 3: Sensor Types

IPS 4: CCDP Lab -- Installing SDEE, IPS Wizard, And More!

IPS 5: CCDP Lab Continues

IPS 6: The Monitor Window

IPS 7: Second Verse, Not Same As The First

IPS 8: HIPS, NIPS, and WIPS

NAT 1: NAT and PAT Basics

NAT 2: Static NAT

NAT 3: Dynamic NAT

NAT 4: In-Depth PAT

NTP 1: The Beginning!

NTP 2: Client-Server Lab

NTP 3: Peering Lab

NTP 4: Broadcast Mode

NTP 5: Authentication Lab Begins

NTP 6: Authentication Lab Continues

NTP 7: Adding Another Time Server

NTP 8: Troubleshooting Tips

AAA 1: Just The Facts, Man

AAA 2: Command Walkthrough

AAA 3: Configuring Multiple Groups

AAA 4: The Labs Continue

AAA 5: More Lab Work

AAA 6: Dot1x Refresher

AAA 7: Dot1x Lab Work

AAA 8: Intro To EAPs

AAA 9: The TCP Finite Machine

Intro To The IPv6 Section

1: Curing Address Anxiety

2: The Global Routing Prefix and Subnet ID

3: Enabling IPv6 -- Twice!

4: Configuring and Verifying IPv6

5: Link-Local Addresses

6: Calculating the Interface Identifier

7: Using The Interface Identifier

8: Router Discovery with NDP

9: Host Discovery with NDP

10: DHCP on Planet IPv6

11: Smart Stuff Our DAD Says

12: The IPv6 Routing Table

13: Pinging IPv6 Addresses

14: Static Routes (Recursive and Direct)

15: Static Routes (Fully Specified)

16: Using The Link-Local Address As Static Route Next-Hop

17: Default and Host Static Routes

18: Nuts, Bolts, and Frame Formats

TNT 1: Unicast Reverse Path Forwarding

TNT 2: Whitelisting, Blacklisting, and URL Filtering

TNT 3: Filtering "Debug IP Packet" Output

TNT 4: Memory Issues?

5: Core Dumps

The CCNA 2016 Exam Changes: What You Need To Know!

Your Path To The CCNA: One Exam Or Two?

CCNA Study Guide Vol. 1 and 2 Info

How To Download Videos (And 1 Tech Support Note!)

Networking Fundamentals And The OSI Model

Networking Layer Interaction And More!

Fundamentals of Network Troubleshooting and Models

The Fight Of The Century: TCP vs UDP

More TCP, UDP, and Port Numbers

Duplexes, Suplexes, and Autonegotiation

Cabling Types and Standards

Formats and Rollover Cables

Bonus Video! "Show Interface Ethernet"

Hubs And Repeaters: Why Are We Still Talking About These?

The Dawn Of Switching

Building A MAC Address Table (The Smart Way)

Let The Switch Do The Work: Dynamic MAC Address Table Entries

How They Get There: Frame Forwarding Methods

The Joy Of VLANs

The Cisco Switching Model and Intro To Port Security

Port Security Secure MAC Addresses

Port Security Sticky MAC Addresses

Combining Secure and Sticky MAC Addresses

Spanning Tree Protocol Fundamentals

What DO Those Lights Mean?

Trunking Fundamentals

Trunking Labs and Modes

Drawing The Line: Allowing and Disallowing VLANs

VTP Fundamentals

Resetting The Revision Number: What's The Big Deal?

Like I Said, A Quick WAN Introduction

ROAS Theory And Setup

ROAS Lab

ROAS Troubleshooting

L3 Switching And SVI Lab

Final Notes On Multilayer Switching

A Little Licensing

Metro Ethernet

TNT 5: Filtering "Debug IP Packet" Output