Tutorial of CISCO Packet Tracer


Packet Tracer is software used to test whether your network is successful or not without disturbing the actual system itself. It is also successful when an organization or the individual itself does not have enough money or resources to have an actual networking.
The user graphical interface of the Cisco Packet tracer is it follows:
1
Menu Bar
This bar provides the File, Edit, Options, View, Tools, Extensions, and Help menus. You will find basic commands such as Open, Save, Save as Pkz, Print, and Preferences in these menus. You will also be able to access the Activity Wizard from the Extensions menu.
2
Main Tool Bar
This bar provides shortcut icons to the File and Edit menu commands. This bar also provides buttons for Copy, Paste, Undo, Redo, Zoom, the Drawing Palette, and the Custom Devices Dialog. On the right, you will also find the Network Information button, which you can use to enter a description for the current network (or any text you wish to include).
3
Common Tools Bar
This bar provides access to these commonly used workspace tools: Select, Move Layout, Place Note, Delete, Inspect, Resize Shape, Add Simple PDU, and Add Complex PDU. See "Workspace Basics" for more information.
4
Logical/Physical Workspace and Navigation Bar
You can toggle between the Physical Workspace and the Logical Workspace with the tabs on this bar. In Logical Workspace, this bar also allows you to go back to a previous level in a cluster, create a New Cluster, Move Object, Set Tiled Background, and Viewport. In Physical Workspace, this bar allows you to navigate through physical locations, create a New City, create a New Building, create a New Closet, Move Object, apply a Grid to the background, Set Background, and go to the Working Closet.
5
Workspace
This area is where you will create your network, watch simulations, and view many kinds of information and statistics.
6
Realtime/Simulation Bar
You can toggle between Realtime Mode and Simulation Mode with the tabs on this bar. This bar also provides buttons to Power Cycle Devices and Fast Forward Time as well as the Play Control buttons and the Event List toggle button in Simulation Mode. Also, it contains a clock that displays the relative Time in Realtime Mode and Simulation Mode.
7
Network Component Box
This box is where you choose devices and connections to put into the workspace. It contains the Device-Type Selection Box and the Device-Specific Selection Box.
8
Device-Type Selection Box
This box contains the type of devices and connections available in Packet Tracer. The Device-Specific Selection Box will change depending on which type of device you choose.
9
Device-Specific Selection Box
This box is where you choose specifically which devices you want to put in your network and which connections to make.
10
User Created Packet Window*
This window manages the packets you put in the network during simulation scenarios. See the "Simulation Mode" section for more details.
(Source: Cisco Packet Tracer Help)
 
Because you are already know the parts of the cisco packet tracer, now let us try to make a simple activity.
Let us connect 10 computers to one switch and let us assign ip address to each of the computer. And we will ping the computers if the connection is successful.
Step 1: Let us choose the switches from the Device-Type Selection Box and choose the type of switch that you can get from Network Component Box and drag it to the Workspace.






Step 2: Let us choose the end devices from the Device-Type Selection Box and choose the type of device that you can get from Network Component Box and drag it to the Workspace.

Step 3: Let us choose the connection from the Device-Type Selection Box and choose the copper straight-through connection that you can get from Network Component Box and drag it to the Workspace. Connect the wire to the ten computers of the system from the switch to the computer one by one. Just click any of the fast Ethernet selection and put it in the computer.
 
Step 4: Let us now assign their ip addresses. The addresses from 192.168.0.1 – 192.168.0.9. Just click the icon of the computer. Choose desktop then ip configuration. Then put an ip address for the space provided. Click the space for subnet mask to see the subnet mask number and close it. The same operation is done in the next 9 computers.














Step 5: After assigning the ip address of the 10 computers, let us now check if the connection is successful. Just click the icon add simple pdu in the common tools bar and put it in the two computers that you want to test the connection. The result will appear in the User Created Packet Window.
 

It’s a simple exercise of how are we going to use the cisco packet tracer. I hope that you learn a lot.










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Mujhse Fraaandship Karoge Movie Review



     The movie is about the four college students who are like many of the students around the world are also using the most popular social networking site nowadays, The Facebook.Two of the main characters Vishal and Preity are always fighting because of their differences. However, the two needs to work together for their project for the 25th anniversary of their college combining their two ideas of how they will going to present in the anniversary--- Vishal's Romance Idea that will present the 25 love stories that started in the college and Preity's idea of photography.
    Vishal is the friend of Rahul who is the rockstar and the famous guy among the women in their college while Malvika on the other hand is the friend of Preity who is taking up designing. Vishal uses Rahul's account to sent a friend request to Malvika pretending him to be Rahul. Malvika receives the friend request of Vishal but did not like to add him as friend. But Malvika leave her facebook account open and her friend Preity accepted Vishal's request pretending that she is Malvika. They chatted for sometime until they found out that the two of them are just pretending to be somebody else and fall in love with each other.
    If I will going to rate the movie from 1-10, I will give them nine. Nine because I love the movie and so far one of the best bollywood film I've watched. I love the plot of the story. It's the combination of drama, romance, comedy and musical. It tells us the real thing that is happening right now in the social networking area. That some of us are pretending to be someone else in the facebook in order to attract friends.The movie is also about the story of how destiny plays an important role in the characters life that because of this, they learn to be true to themselves. I also like the storyline of how the two people(Vishal and Preity), that despite of their differences, they learn to be friends with each other and fall in love.They proved that love conquers all, and the saying the more you hate, the more you love is indeed true.In this movie I also love to see the friendship that is shown by the characters to each other most especially to Malvika and Preity and Rahul to Vishal.   I also love the ending of the movie that every lies has its ending. That every secret in this world will not be forever and soon will come out in the basket. That sometimes you need to be true to yourself because you might hurt someone because of your disguises. I love the whole movie, the only problem is the language because the subtitle is quite fast and I was not able to read it but t was indeed a great bollywood movie that is worth watching for.

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Computer Networking

Computer Networking or simply called as Network comprises of computer hardware interconnected with one another by the use communication channels such as coaxial wires, fiber optic cables, and twisted pairs among others. Networking is using a protocol in order to connect. PROTOCOL is a set of rules that a network is using in order to communicate. 
Networking is widely used in schools, offices and other business establishments. It is used in order that a company or a school can share their resources, to ease the communications between them and to be able to share their files through the network. Though, it is very helpful, it is also hard to implement and computers which are connected in the network are prone to viruses. 
Topologies are layouts of how are you going to connect the devices in a network. There are different topologies used in networking such as mesh, bus, ring, star, tree and hybrid.

1. Mesh Topology

Mesh topologies involve the concept of routes. Each node of the mesh topology can disseminate its own information in the other nodes in the network. The picture below is an example of mesh topology.


(Source:http://www.desktopclass.com/education/computer-it/tree-topology-and-mesh-topology-with-explain-devices.html)

2. Bus Topology

In Bus Topology, each node is connected to a single cable.  A signal from the source travels in both directions to all machines connected on the bus cable until it finds the intended recipient. If the address does not match to the one that is looking for in the system, the network or that computer will ignore it and proceeded to the next computer. For example, if there are three computers connected in a bus topology, and the system is looking for an address 3 (which is the 3rd computer for example), the network will find the address 3. If the signal reaches the first computer with the address of 1 for example, it will ask the address 1 if it is address 2, if not, he will continue again in the next computer and so on until it reaches the address 3. It is not expensive compared to other topology. The problem in this type of topology is that, if the cable is broken, the whole system will be broken too. The picture below is an example of bus topology.




 3. Ring Topology

Ring Topology is a type of topology in which each computers are connected in both ends forming a continuous path for the network. The picture below is an example of ring topology.




4. Star Topology

Star Topology is one of the most common topoly used. It consists of one central hub and the other computers are connected in it. The picture below is an example of star topology.




 5. Tree Topology

Tree Topology has one or more hubs with the computers connected in it in succession order. The picture below is an example of tree topology.

(Source:http://www.google.com.ph/imgres?q=tree+topology&um=1&hl=tl&sa=N&biw=1360&bih=767&tbm=isch&tbnid=xUc6hQ1Tdc-GXM:&imgrefurl=http://www.ustudy.in/node/5163&docid=QYV-Zg7oBt021M&imgurl=http://www.ustudy.in/imagebrowser/view/image/5164/_original&w=439&h=244&ei=Y3XlTqz4HYTorQfXvKjQDw&zoom=1)
5. Hybrid Topology
 
It is a combination of two or more topology.The picture below is an example of hybrid topology.


(Source: http://voisinrilymike.files.wordpress.com/2010/12/hybrid-topology.jpg)

 Aside from topologies, there are also different types of networking used such as LAN, MAN and WAN, etc. but these three are the most popular ones. See for the next post for the description of the types of networking.

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My Prince!!!

This poem is dedicated to someone who is very special to me who serves as an inspiration for the past ten years of my life. Eventhough I hope that someday he will be mine, still destiny already decided that we are not destined to be with each other.It hurts me a lot when he already decided to be married to someone whom he got a relationship for nearly ten years. But I know that he's happy being with her and hoping that they will live happily ever after.  I hope that he truly loves her and not beacause he was arrange to be married into her and hoping that someday, I can still meet him in person. I hope that he can read this blog.


MY PRINCE

You came into my life unexpectedly,
like a lightning that strike my life so hurriedly.
At times that my life is in sorrow.
At times that fairy tales is in my mid. 

I don't know why God gave you to me,
nor I don't know why I became interested in you.
but I think that's what you called love,
no reasons at all, you just fall.

My childhood heart just fall
for someone who doesn't know me at all.
He conquered me like a barbarian,
conquering my life as a warrior.

Never knowing who really you are,
I'm dreaming that someday you will be mine.
Even wishing that you will be the father of my children,
and will live happily ever after.

But maybe I'm dreaming too much,
knowing that you're really a prince in real life.
Not just a prince, but a crown prince,
that someday will rule your kingdom.

You're my real life Prince Charming,
who thought me that fairy tales really do come true.
I feel Like I'm Cinderella,
who step in to a real life fairy tale. 

Eventhough I know, you are far from me,
knowing that it's impossible as it may seem,
impossible to knew you in person,
still I continue to dream of you or wanting of you.

I still continue to love you even more
through each day that passes by,
still dreaming that you will still be mine,
that one day I can say that you're mine.

It hurts to know that you are in love with someone else,
each time seeing you with her,bring tears in my eyes.
It looks like my heart strucks by a knife,
and I can't control it's bleeding.

I'm asking God why he gave you to me,
wondering what will be my life without you in it,
but still I couldn't find an answer
nor I can't help myself from thinking of you.

On a bright sunny day,
the day that I'm afraid of comes - his engagement.
I'm like a candle melting,
like a paper that is torn into pieces.

My whole life crumbles down,
and I didn't know how to make it into whole again.
My fairy tale dream comes to an end.
I don't know my life will be back to its normal pace.

I tried to forget you, I try to move on with my life,
Trying to be stressed every now and then,
but still I can't control my emotions,
still I'm still in love with you still.

I don't know until when I'm going to be like this,
don't know how can I forget you totally.
I tried everything possible but still,
The more I tried to forget you, The more my heart says I love you!!!






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What is love?

The word love have different meanings. It will depend in the person defining what love really is. It's either it came from their own point of view or to the definition from the different sources. You, how did you view love? 

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