Cisco DNA Center Overview
This video provides an overview of Cisco DNA Center including its automated device configuration and system telemetry for fast issue resolution and capacity planning. This
Policy Enforcement Example
This short video provides an example of how Policy Enforcement works including SD-Access, SD-WAN, and ACI. This video is a small portion of the Exploring
Using DNA Center to Setup an SD-WAN
This short video explains how DNA Center can be used to setup an SD-WAN including defining the policies for your software defined access network. This
Cisco DNA Center Summary
This brief video summarizes the main points to remember about DNA Center including its automated rollout options (NTP, DNS, DHCP) and its intent-based implementation/policies. This
The Need for Digital Transformation
This video explains the need for Digital Transformation by comparing Traditional Networks that are hardware-centric to Digital-Ready Networks that are software-driven. This video is a
What is SaltStack?
This brief video explains what SaltStack is and how it manages systems in a declarative manner. This video is a small portion of the Introducing
What is REST?
This video explains what REST is and what makes it so easy to use. This video is a small portion of the Introducing Network Programmability
What is Puppet?
This short video explains what Puppet is and some of how it manages systems in a declarative manner. This video is a small portion of
What are NETCONF and RESTCONF?
This short video explains what NETCONF and RESTCONF are and what the protocol stacks look like for each. This video is a small portion of
Evolution of Device Management
This video walks you through the evolution of Device Management including how tools like Puppet, SaltStack, Ansible, and CHEF simply this task. This video is
What are Data Models?
This video explains what Data Models are, why they are used, and introduces YANG (Yet Another Next Generation) which is the main data modeling language
Data Encoding Formats
This video talks about why we need to encode data and talks specifically about two format options, XML and JSON. This video is a small
What is CHEF?
This brief video explains what CHEF is and how it manages systems in a declarative manner. This video is a small portion of the Introducing
Python – Variable Assignment
This video explains how to assign variables in Python including examples of both Local and Global variable assignments. This video is a small portion of
Python – String Method Examples
This brief video provides helpful examples of String methods including Upper method, Starts with method, and Split method. This video is a small portion of
Python Script Writing Guidelines
This video provides some helpful guidelines to follow when writing Python scripts including using good comments and being aware of whitespace. This video is a
Why Use Python?
This video explains what Python is and some of the benefits of using Python such as it is easy to learn and is supported by
Python – List Method Examples
This brief video provides List method examples within the Append, Count, and Pop categories. This video is a small portion of the Understanding the Basics
Python Data Types – Lists
This brief video explains how Lists are used in Python including some common List methods such as .append(obj), .count(obj), .extend(seq), and .remove(obj). This video is
Helper Utilities
This video explains how to use Helper Utilities in Python including help(), dire(), and type(). This video is a small portion of the Understanding the
How to Execute Python Code
This short video explains how to execute Python code using a Script Editor or Python Interpreter. This video is a small portion of the Understanding
Python Data Types – Dictionaries
This short video explains how Dictionaries are used in Python including various Dictionary methods like .clear(), .items(), .keys(), and .values(). This video is a small
Python Data Types – Strings
This video explains how Strings are used in Python including various String methods such as .upper(), .lower(), .split(), and .endswith(). This video is a small
Python Data Types – Numbers
This short video explains the different ways numbers are used in Python and in conjunction with mathematical operations such as addition, subtraction, modulus, and exponential.
Python Data Types – Boolean
This video explains what Boolean conditional operators are and provides common examples. This video is a small portion of the Understanding the Basics of Python
Tips for Analyzing Python Code
This brief video provides four tips for analyzing Python code including: knowing your data types and understanding scoping. This video is a small portion of
SD-WAN Components – vSmart Controllers
This short video provides an overview of vSmart Controllers and how they work in an SD-WAN environment. This video is a small portion of the
SD-WAN Components – vManage
This brief video provides an overview of vManage and how it works in an SD-WAN environment. This video is a small portion of the Understanding
SD-WAN Components – vEdge Routers
This short video provides an overview of vEdge Routers and how they work in an SD-WAN environment. This video is a small portion of the
SD-WAN Components – vAnalytics
This short video provides an overview of vAnalytics and how it works in an SD-WAN environment. This video is a small portion of the Understanding
How a Traditional WAN Works
This video explains what a Traditional WAN is, how it works, and provides an easy-to-understand example. This video is a small portion of the Understanding
SD-WAN Fabric
This short video describes the SD-WAN Fabric as composed of various architectural elements such as the Orchestration and Management Plane as well as various components
SD-WAN Components Overview
This brief video breaks down the various components found in an SD-WAN including Cisco vBond, vManage, vSmart Controllers, vAnalytics, and vEdge Routers. This video is
SD-WAN Architecture Overview
This short video breaks down SD-WAN architecture which is composed of the Orchestration Plane, Management Plane, Control Plane, and Data Plane. This video is a
Multi-Tenant Environments
This brief video talks about Multi-Tenant environments including popular mechanisms such as Tunnels, IPSec, DMVPN, VRFs, IGP/EGP, and OAM/CFM. This video is a small portion
Intelligent WAN (2 of 2)
This final video of a two-part series goes into more depth on Intelligent WANs including how Performance Routing (PfR) works. This video is a small
Intelligent WAN (1 of 2)
This first short video of a two-part series explains what an Intelligent WAN is how it uses WAN connectivity more strategically. This video is a
Defining SD-WAN
This brief video defines SD-WAN and discusses how SD-WAN works in an existing WAN transport infrastructure. This video is a small portion of the Understanding
Steps for Test-Driven Development
This short video walks you through the necessary steps for Test-Driven Development from writing a test case and running the test, to writing/revising the code
Python Resource – Stack Overflow
This brief video introduces the Stack Overflow resource which is a Python community where you can ask questions and get feedback on your Python code.
Python – 6 Steps to Writing a Test Case
This short video outlines the steps to writing a Test Case in Python as part of a Test Driven Development effort. This video is a
How to Validate Your Python 3 Code – Demo
This live demo walks you through the steps necessary to validate your Python 3 code. This video is a small portion of the How to
What is a Converged Network?
This brief video explains what a Converged Network is and how it encompasses voice, video, and data traffic. This video is a small portion of
Trusting Incoming QoS Settings
This short video explains why QoS settings from phones, switches, and routers should be trusted and why QoS settings from end-user hosts should not be
The Need for QoS
This brief video explains what QoS is including the idea of “Managed Unfairness” and explains why we need it. This video is a small portion
Summary of Quality Issues in Converged Networks
This brief video outlines some of the main takeaways from this topic including how voice quality is affected by network issues and how to reduce
Causes of Quality Issues in a Converged Network
This video gives outlines some of the main culprits that can cause quality issues in Converged Networks including lack of bandwidth, end-to-end delay, and jitter.
Quality Issues – Packet Loss
This video explains how packets are dropped, how to identify dropped packets, and how to reduce dropped voice packets. This video is a small portion
Marking Network Traffic for QoS
This brief video explains how and where to mark packets for QoS in a network including how to use various commands such as auto qos.
Quality Issues – Jitter
This video talks about how Jitter affects voice and video networks, how to measure it, and how it can be reduced. This video is a
Identifying Network Traffic
This short video lists the different types of data on a network including voice packets, video packets, critical data, and best effort data, and explains
Converting QoS Markings
This brief video explains how QoS Markings are converted from CoS to DSCP and vice versa. This video is a small portion of the Analyzing
Classifying Network Traffic
This video briefly reviews the OSI Model and goes into greater depth on Layer 2 and Layer 3 discussing CoS, QoS, and DSCP Priority Levels.
Characteristics of Voice and Data Traffic
This short video discusses the characteristics of both voice and data traffic including as they pertain to bandwidth usage, data rate, and sensitivity to dropped
Directory Handlers Summary
This video provides a brief summary of the main points of Cisco Unity Connection Call Handlers including Directory Handlers, Interview Handlers, and how to route
Directory Handler – How to Search for a User
This brief video shows you how you can use different search criteria to search for a user in the Directory including using the telephone keypad
Recording Greeting with the Media Player Toolbar
This brief video shows you how to record a greeting using the Media Player Toolbar pointing out all of the different features on the interface.
Overview of Directory Handlers
This video explains what a Directory Handler is and also discusses Default Directory Handlers and voicemail users assigned to Directory Handlers. This video is a
Overview of Interview Handlers
This video explains what an Interview Handler is, how to add one, and walks through a configuration example. This video is a small portion of
Creating a Help Desk Distribution List
This video shows how to create a Help Desk Distribution List and how to add users to it. This video is a small portion of
Directory Handler Caller Input Page
This short video goes through some of the Caller Input options found on the Edit Caller Input page including things like timeouts and options if
Creating a System Distribution List
This brief video shows you how to create a System Distribution List and how to add users to that list. This video is a small
Directory Handler Configuration Example
This short video provides a configuration example for a Directory Handler showing how to add Directory Search Options to an existing Call Handler and how
Call Routing to Directory and Interview Handlers
This video shows you how to route calls to both Directory and Interview Handlers including how to edit an Interview Handler and how to configure
Adding a New Directory Handler
This brief video shows you how to add a new Directory Handler and walks you through all of the associated options. This video is a
Adding a Template to a System Distribution List
This brief video shows you how to add a User Template to a System Distribution List. This video is a small portion of the Configuring
How Do Call Handlers Work?
This short video walks you through, step-by-step, how a Call Handler works and some of the different options available. This video is a small portion
How to Setup a Sub Call Handler
This short video walks you through how to setup a sub Call Handler which must be done prior to setting up a Call Handler. This
Restriction Tables
This brief video explains what Restriction Tables are and how to configure them. This video is a small portion of the Configuring Cisco Unity Connection
Tools to Record Call Handler Greetings
This short video shows you how you can use the Media Player Toolbar or the Greetings Administrator to record Call Handler Greetings. This video is
Overview of Caller Input Options
This brief video provides an overview of available Caller Input options including Call Action, Call Handler, Interview Handler, Directory Handler, Conversation, and User with mailbox.
Routing a Call to the Greetings Administrator
This short videos shows you three ways to route a call to the Greetings Administrator including creating a Call Handler, creating a Routing Table, and
How to Reach a Call Handler
This brief video walks you through the process of reaching a Call Handler. This video is a small portion of the Configuring Cisco Unity Connection
Help Desk Call Handler
This video walks you through how to setup a Help Desk Call Handler including how to set and verify caller input options. This video is
Greetings Administrator
This short video explains what a Greetings Administrator is, how it works, as well as its requirements. This video is a small portion of the
Enabling Greetings
This short video demonstrates how to enable greetings and also goes through the related options. This video is a small portion of the Configuring Cisco
Dialing an Extension During a Greeting
This video shows you how to setup a Call Handler to allow or disallow a user to dial an extension during a greeting. This video
Call Handler Configuration Example
This video provides an example of a Call Handler Configuration including designing the Call Handler Call Flow and looking at specific requirements for the Call
How to Create a Call Handler Template
This short video walks you through the steps needed to create a Call Handler Template including setting up Default Caller Inputs and Default Standard Greetings.
Caller Input Options – Call Actions
This video goes through the different Call Actions available to the admin and shows how to setup Transfer to Alternate Contact Number. This video is
Assigning the Greetings Administrator Role
This brief video shows how to assign the Greetings Administrator role to a user. This video is a small portion of the Configuring Cisco Unity
How to Write a Simple Python Program
This live demo walks you through creating a simple Python program. This video is a small portion of the Python Overview Tech Session. Be sure to
Who is Using Python?
This brief video lists some of the largest companies in the world that use Python including Google, YouTube, and NASA. This video is a small
Python – Using VS Code
This short video walks you through how to setup and use VS Code for Python programming. This video is a small portion of the Python
Python Operators
This brief video introduces a variety of different operators used in Python broken into categories such as Arithmetic, Comparison, Logical, etc. This video is a
Python Demo
This video includes a live demo of Python and a review of helpful Python documentation. This video is a small portion of the Python Overview Tech
What is Python?
This video explains what Python is and why it is so popular. This video is a small portion of the Python Overview Tech Session. Be sure
Installing Python
This video walks you through the steps to install Python on your Windows or Mac machine. This video is a small portion of the Python
Python – Integrated Development Environment (IDE)
This brief video explains what an Integrated Development Environment (IDE) is and provides some common examples including VS Code, Notepad++, Atom, and Sublime Text. This
How to Use Python
This video demonstrates how to use Python within a terminal shell as well as within a dedicated Python shell. This video is a small portion
Python – Examples of Data Types
This video provides examples of the different mutable and immutable data types used in Python including numbers, strings, tuples, lists, dictionaries, and sets. This video
Python – Data Types
This video introduces the different mutable and immutable data types used in Python including numbers, strings, tuples, lists, dictionaries, and sets. This video is a
Docker – Accessing Applications
This short video explains how to access applications with Docker. This video is a small portion of the Docker Overview Tech Session. Be sure to view
Docker Commands
This video introduces some of the common Help, Image, and Container commands. This video is a small portion of the Docker Overview Tech Session. Be sure
Default Networks
This short video outlines the differences between the three types of default networks, Bridge, None, and Host. This video is a small portion of the
Docker Demo
This video includes a live demo of Docker. This video is a small portion of the Docker Overview Tech Session. Be sure to view that video
Docker Editions
This short video explains the differences between the free Community Edition and the paid Enterprise Edition of Docker. This video is a small portion of
Docker Hub
This short video explains what the Docker Hub is and how to utilize it. This video is a small portion of the Docker Overview Tech Session.
Creating a Docker Image Demo
This live demo walks you through the steps to create a Docker Image. This video is a small portion of the Docker Overview Tech Session. Be
Docker Terminology
This video introduces terminology specific to Docker including Docker Engine, Docker File, and Docker Image. This video is a small portion of the Docker Overview Tech