Classful networks: For "Classful" networks, the network and host portions are as follows (" n" represents the network portion, "x" represents the host portion):.However, do note that because IPv4 does not treat them the same way as other addresses they should not be used. Multicast & Experimental addresses are beyond the scope of this article. When the first number is 240 to 255 - The address is "experimental". The address is divided into two portions: the network portion and the host portion. This is known as "Dotted Decimal Notation" or "Dot Notation" for short. 4) addresses are written like this: (four numbers separated by three dots), in all RFC-1166 compliant countries. All devices connected to a network must have a unique IP address. Lines: Use straight lines from one device to another to show what is connected to what in the diagram.Ĭreate an address plan.The computers are connected to the switch or hub, which is connected to the router, or the firewall. Smartphones and tablets can also be included in a diagram. Computers: Computers on a network are typically represented with a basic icon that resembles a computer screen and keyboard.The typical symbol for a switch or hub is a square or rectangle with two lines that cross in the middle that have arrows on both ends. The switch or hub is then connected to the router. X Research source A switch or hub typically has multiple computers connected to it. Whereas a hub evenly divides the total bandwidth between all devices. The difference between a switch and a hub is that a switch can shift the total network bandwidth to the devices that need it the most. Switches and hubs: A router allows different networks to communicate, while a switch and hubs allow devices connected to a network to communicate.The typical network symbol for a server is a box that resembles a computer tower. Any servers you have should be connected to your router. Server: Some networks have a server that contains centralized data and programs for all the computers connected to the network.X Research source On a network diagram, the typical symbol for a VPN is a padlock. A VPN filters all internet traffic through an external proxy server, which makes it almost impossible to trace the IP address of any of the devices connected to the network. This is a must for any private network connected to the internet. VPN: VPN stands for "Virtual Private Network". ![]() If it is a wireless router, add two antennas to the top of the circle. The arrow on top points up, and the arrow on bottom points down. The two arrows on the left and right should be pointing inward. The industry standard symbol for a router is a circle with four arrows arranged in a cross in the middle. X Research source If your router is connected to the internet, draw a line from the cloud symbol to the router symbol on your diagram. This may be between your private network and the internet, your private network and your server, or different networks that are connected to each other. ![]() ![]()
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