What is Packet Tracer

Packet Tracer is a powerful network simulator that can be utilized in training for CCNA and CCNP certification exam by allowing students to create networks with an almost unlimited number of devices and to experience troubleshooting without having to buy real Cisco routers or switches. The tool is created by Cisco Systems. The purpose of Packet Tracer is to offer students a tool to learn the principles of networking as well as develop Cisco technology specific skills. However, it is not be used as a replacement for Routers or Switches. 

Here how it looks like after we start it.



We are different modules and panels available in the packet tracer. Some important modules, which are important to understand for the working in Packet Tracer, are mentioned in the following diagram.



Now, in order to create a topology, we will have to select some of the devices and put them in our main window i.e. the white portion of packet tracer. and here how it looks after we add the devices.



Now, we will have to connect these devices and for that we use cables. To understand the cables, please refer to my following article.



And after you successfully create the topology, you can check either the traffic is flowing or not by selecting the packet from right panel and putting it on both PCs as follows.



For detailed article on making the topology and successfully enabling the communication, read this article


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