Ip addressing and subnetting pdf notes
IP addressing and subnetting: Calculate a subnet mask from hosts and subnetsAn IP address internet protocol address is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are bits long. This allows for a maximum of 4,,, 2 32 unique addresses. Addresses in IPv6 are bits, which allows for 3. The total usable address pool of both versions is reduced by various reserved addresses and other considerations. IP addresses are binary numbers but are typically expressed in decimal form IPv4 or hexadecimal form IPv6 to make reading and using them easier for humans.
TCP/IP and Subnet Masking
We went over the IP Network Classes and how to distinguish between them. If you're new to this field, I would suggest adding both Part 1 and Part 2: IP Routing Process to your reading list, since it provides some additional information that can be useful in getting a firm grasp of the subnetting concept. In today's article we are going to learn about the concept of IP address subnets and how we can use it to divide our classful network into smaller networks that can operate in separate working zones. We'll also take a look at how we can conserve address space and save resources on process management with the use of subnetting. I'll use a few examples to clearly present the steps of subnetting and help you master this topic. And although at first this may seem difficult, don't give up! All it takes is some time and practice!
In a series of articles, we explore IP addressing and subnetting, and learn how to apply this valuable information to real-world scenarios. Before we move on, let's review some information in related articles, including what network administrators need to know about IP addressing and subnetting and some fundamentals around the technology :. Now, let's learn more about IP addressing and subnetting and how they apply to your real-world network. A common, real-world question when laying out your network is: "What subnet mask do I need for my network? The host's formula will tell you how many hosts will be allowed on a network that has a certain subnet mask. The h represents the number of zeros in the subnet mask, if the subnet mask were converted to binary.
IP address is an address having information about how to reach a specific host, especially outside the LAN. An IP address is a 32 bit unique address having an address space of 2 Generally, there are two notations in which IP address is written, dotted decimal notation and hexadecimal notation. Dotted Decimal Notation:. Hexadecimal Notation:. Classful Addressing The 32 bit IP address is divided into five sub-classes.
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