Welcome to the first of five courses in the Cisco Networking Basics Specialization. This course is developed by the Cisco Networking Academy. Cisco Networking Academy is an IT skills and career building program that connects millions of students, educators, and employers worldwide. Cisco partners with learning institutions worldwide to deliver technical training and problem-solving experiences to individuals studying networking, security, and IoT technologies. We've helped more than 6 million people prepare for IT careers since 1997. Have you ever wondered how you are able to open a web page from a server that is located in another country or how you are able to send documents and videos to the intended recipient without it going to the wrong device? In this course, you will be introduced to the fundamentals concepts of computer networking. More importantly, by the end of this course, you will understand how data travels in your home network. At the end of this course, you will be able to: 1. Explain how data networks work. 2. Define basic data networking terms. 3. Explain what is needed for devices to have network connectivity or Internet access. 4. Use the Cisco Packet Tracer simulation and modeling tool to build and test a small data network. 5. Identify the devices and component on your home network. 6. Build a simple peer-to-peer network.
Packet Tracer - User Interface Navigation
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From the course by Cisco
Internet Connection: How to Get Online?
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From the lesson
Exploring Networks with Packet Tracer
In this module, you will learn how to use Cisco Packet Tracer network simulation and visualization program. By the end of the module, you will be able to build a simple network in Packet Tracer and observe how data flows in the network.
Meet the Instructors
Telethia WillisCisco Networking Learning & Development
in this brief overview packet tracer we will view
the two different views logical and physical and two different modes real-time simulation
as well as examine the main menu bars, toolbars
and other controls parts that would make the Packet Tracer so powerful
at the top we have it traditional menu bar
the file edit options and so on probably the only file option
that need specific explanation is PKZ
because we can add custom backgrounds and custom
icons to the Packet Tracer workspaces if you want to save those graphics you need
to save as a PKZ
common cartridge is something that relates to instructors only and this is
an instructor version
so there's a few options students won't see notice it uses standard keyboard shortcuts
options probably the most important options for student
is a user profile where you can put in your name
your email address and additional information
instructor may require you that you to complete those
in submitting assignments in a special note in the self-created packet tracer activities
changing the name or the user profile at all
may reset the entire activity couples of other options that useful
is under preferences, device name labels
such as show device model so I can see this is a 2960 this is a 2911
or font which is also very useful
I set my command line interface font to 12 was
instead of the standard "8" just so will capture you
zooming in and out the three main tool bars which are the main
the right the bottom some
a drawing power in a custom device dialogue
the drawing palette is how we create these rectangles
devices you can customize modular device and save it for later use
a variety of extensions now this is an instructor version so student will not see
as many
but you probably will have multi-user
and these additional agent users
down here, help is very useful it will find out what version Packet Tracer you're running
the tutorials are short online slide shows
how to do common task in the content is an online manual
the main toolbar lies immediately below the menu bar
you reduce the most common commands File Save and so on
copy and paste, undo/redo, the zoom commands
in the drawing palette and the customize device dialog
we're on the right hand side there are 2 other things help that'll take you straight to
the online manual
in information which is about that particular network you're working with
you can type any text in here you would I've chosen to put in an addressing
plan for this particular topology underneath
the main toolbar is the logical physical
in navigation bar it looks somewhat like a framing element but it is active
with many controls let's take a brief look at physical
physical allows us to create buildings and closets
we can navigate down let's zoom in a little bit that here's our city
than a city I may have buildings building I may have a wire closet
you can see now this is a navigation I'm in the main wiring closet
I can go back, this bar indicate where I am
backed it home city and so on back to the logical view
if the I accident go into physical, how do you get back click on the logical icon
my main workspace right over here
are right into a bar is where there's a lot of action
our select tool works like we can drag to select
I can hover to find out some information about
the device is a rather you can see the IP the IPv6 and MAC address as the
interfaces and their states rather up or down
if I click on a device, I can get an inside view of the device I can look at it physically
I can look at Config mode which is
GUI interface for configuring so for example if I wanna
turn Gigabit 0/0 on
I can just click here and underneath here
we're actually show me in the bottom portion of the window
the command line commands or I can go to the command line
so in give the typical committed
so IP interface group for example, so that doesn't have all
the full operating system commands but it has many many useful
commands for usual learning tool one more thing to show in the physical
is we can power cycle the device we can turn it off
in the slot we can install
additional cards so I select it
in a trick which will give me two WAN interfaces
notice
because I should power it back on, yes I power it back on but
right now it's rebooted, all right we have to move on not appropriate for this small lab
place notes which is how we place things like text directly on the page that's
not part of any components
the delete, it will delete whatever selected
or I can do it something else
I'm gonna undo undo because it only has one level undo
I showed we hover that we can find out information
if I hover over a cable it would show me the cable I attached to
but if I want more information, I need to click the inspect tool
where i can look at for example
the routing table of router the the inspection choices are appropriate for the devices
on switch I can see the Mac table for example the polygon tool which is how we draw these things
resize polygon which let me change existing shapes
add simple PDU this is very usefull
I'm gonna click on headquarters to
what is the simple PDU? it is an ICMP echo request PDU and
when I click on it that uses my source when I click on another object
that choice my destination and I see in my user created packet window
that it was successful
and if it wasn't successful as many one-shot first time pings are not
I can simply double-click on it to fire it to force it to travel again
of course we didn't see it because it's very fast the custom PDU gives me a
lot more variety
for example if I wanted to ping from the
headquartered router I can choose the outgoing interface which is very useful
for checking successful routing and now I can n under
can I think I can use
other protocols to same destination IP address
one shot or periodic if I want to send a string pattern repeatedly
it will very useful for troubleshooting when there is a problem
I mention that this was real time and the successful ping was very quick
if we go to simulation mode
we can see that there is a packet sitting there waiting to be trapped
travel forward in by clicking one step at a time
I can watch the Packer travel through my network
at any particular point I can double click on a package
and view an overview of, in this case it will be a incoming
and outgoing PDU, because this is
echo request followed by and ICMP a echo reply
or you can look at the PDU in detail and see
the Ethernet frame the ip header and the ICMP payload within
the IP packet or I can look at the outbound PDU as well, very useful
I also can auto capture instead of clicking each step I couldn't just let
travel as it wishes and then stop it at any particular point
and i cant fired again
I mean it's in progress
auto capture play here we go,then it goes automatic
and I can adjust speed over here but there you go
I can go back to real time mode let's take a look at the bottom toolbar
in the bottom toolbar we can choose what device required to build our networks,
I need a switch
so I'm going to choose a switch there may be more devices and more
models as we move into the future
I'm gonna place at 2960 switch here
now I need to connect that 2960
so I have by various connections
I would choose it very nice I can simply
choose the auto-choose tool, say I want to connect from
East to switch 0 you know make its best guess which is usually pretty good
and choose the correct cable and connect in some packet tracer activities
your instructor may lock that and you won't be able to use the automatic tool
you have to know which type a cable to use
that bottom tells me the type of the cable, I can click here
I'm choosing a straight through to connect from switch port 2 to
PC E1, you want accuse me complete control
now if I plug into the wrong port or in this case auto-complete shows the first
available port which was a
0 I can click in my status light click over here
and move it Ethernet 0/1 I'm gonna redo that i'm gonna move this to a different interface
because known as I have the orange light that's because spanning tree protocol
is resolving whether it's safe to come up I could wait fifty seconds
or in my real time simulation control panel I can say fast forward time
and I can fast-forward real time to even speeded up further
so I could speed up the due process or STP or anything I'm waiting on
I can also power cycle all my devices simultaneously in going to physical view
but like the real equipment if I haven't saved my config
it will of course lose the config
wrap it up, I can have multiple scenarios for
my pings and my custom packets
I can talk toggle the PDU window to
make it very large to expand it more detail or I can just keep it down where it was
if I click Delete here does not delete the scenario it just deletes the
package within that scenario
in that concluded our brief overview
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