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This article is intended for people who are new to Cisco Packet Tracer. If you are already an expert, please continue with the article below. An Introduction to Cisco Packet Tracer Today you get a great new tool that will help get your job done more quickly and effectively: Cisco Packet Tracer. For those of you new to this tool, I'm going to give a brief introduction about how it works and what it can accomplish in your network design projects. Perhaps you have experienced firsthand the frustration of trying to "debug" a network problem. After all, if the problem is in hardware or software, it's just not feasible return to the debugger to tinker. Or perhaps you have been tasked with designing a few features for your network, but have never had sufficient visibility to complete them accurately. You are pressed for time now, so how can you accomplish this now? Whatever your case may be, I can tell you now that there is now an alternative to this painful process. This new tool is called Cisco Packet Tracer (or simply 'Packet Tracer' for short). What is Cisco Packet Tracer? Packet Tracer is a powerful network simulation and analysis tool used to help engineers and IT professionals better understand, design, and troubleshoot complex networks. One of the most frequently asked questions we get from our customers (professionals or students) and students and colleagues is: What exactly does PIC stand for "Packet Image Collector?" Or, "Why do you call it PIC, when it's [not] a packet?.'' To answer these questions we need to start back with some history. In a few years' time, a company called PIC was formed. The company made a hardware device used to capture network packets for later analysis. Cisco acquired the company and the product became known as "Packet Image Collector." A few years later, Cisco continued its efforts in building better network simulators and no longer needed this "packet-image" specific hardware. And so, after spending some time on working out the kinks of all the features that had been added into PIC over the years, Cisco decided to scrap it and start from scratch with a new tool that would be both powerful and easy to use in design projects. So, after work on the new product was completed, they named it "Packet Tracer." Packet Tracer comes with three modules: Network, Device Flow and Architect. The Network module is used for designing and analyzing the network by building 802.1Q trunking, subnetting, VLANs, subnets subnets for each VLAN or subnet within a VLAN, or applying ACLs to interfaces (limited to 25 rules allowed per interface). The Device Flow module is used for capturing packets with various different types of traffic. The Architect module is used to save models in EIGRP, OSPF and BGP formats. cfa1e77820
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