Network Diagrams
Before you can effectively administer your network, it is important to have the documentation to understand it. Whether you are just starting a new job, are have been working at the same place for years, the documentation will be a vital tool in maintenance, trouble-shooting and planning of the network. One part of the documentation will be your network diagrams. There is plenty of software available to help you to create your diagrams, and many companies willing to compete for the business. Once you decide whether you want to do it yourself, or have another corporation create it for you, you will want to include both the physical diagram and the logical diagram in your documentation. Before you can begin laying cable and connecting computer, it is important to plan and draw out the connections. This drawing
This diagram is a helpful troubleshooting tool for the IT employee when there is a problem with seeing a device on the network, adding items to the network, understanding what IP addresses are available and sharing devices across the network. The logical diagram will include all of the information about the network's switches, IP addresses, etc. The physical network diagram is created by the administrator to represent the physical layout of the network. The diagrams are the most vital documentation needed to capture a wide variety of information in your network. Each computer is connected to the hub and a cable line represents how it is connected. will help you to visualize how much equipment you will need and show contractors or consultants what your idea for the network is. The logical network diagram will be used to represent how you network connections are using the upper layer of the OSI, and will help to understand your IP addressing. For example, if a workstation is no longer able to access the network, the administrator will be able to check their line, check the hub and verify the connection easily and rule out these possible errors more efficiently. It is the first step to be taken before setting up your network, and needed to understand and maintain the different devices. After you have created your physical network diagram, the next step would be to create a logical network diagram. It is not a diagram that will be understood easily by management but is still a vital document for any company that has a network. The best way to help others follow your networks' connections will be the physical network diagram. and its connectivity, areas that are not covered in the physical diagram. With this diagram, the IT person will have a valuable reference guide for troubleshooting, training new employees and aid outside vendors that may need to understand your network. This diagram will illustrate each node on the network, and represents physically how the network fits together.
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