What is subnet Linux?

What is subnet Linux?

A subnet is a logical grouping of devices on a LAN (local area network) that shares a common IP address prefix. For example, all devices that have 157.21. 0.… This partition is achieved through the use of subnet masks. Devices on the same subnet share the same subnet mask.

What exactly is a subnet?

A subnet or subnet is a smaller network within a large network. Subnetting makes network routing much more efficient.

What is my Linux subnet mask?

To find the subnet mask for your host, use the “ifconfig” command with the interface name and pipe it with the “grep” command to isolate the “mask” string. In this case, you are presented with subnet masks for each network interface (loopback interface included).

What is the subnet in the IP address?

A subnet or subnet is a logical subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. Computers that belong to a subnet are addressed with an identical most significant set of bits in their IP addresses.

How do I know my subnet?

Total number of subnets: using subnet mask 255,255. 255,248, the numeric value 248 (11111000) indicates that 5 bits are used to identify the subnet. To find the total number of available subnets, simply raise 2 to the power of 5 (2 ^ 5) and you will find that the result is 32 subnets.

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How many subnets are in 24?

Class B

Network bits Subnet mask Number of subnets
/ 24 256 (254)
/ 25 512 (510)
/ 26 255,255,255,192 1024 (1022)
/ 27 2048 (2046)

What are simple subnet words?

A subnet mask is a number that defines a range of available IP addresses within a network. A single subnet mask limits the number of valid IP addresses for a specific network. Multiple subnet masks can organize a single network into smaller networks (called subnets or subnets).

How do I find my Linux subnet?

Ubuntu Linux

  1. Launch the Terminal application.
  2. Type “ifconfig” at the terminal prompt, then press the “Enter” key. The IP address is labeled “inet addr”. The subnet is labeled “Mask”.
  3. Type “netstat -r” at the command prompt, then press the “Enter” key to see the gateway address.

What is the difference between subnet and subnet mask?

Subnet: part of a network that shares a particular subnet address. Subnet mask: 32-bit combination used to describe which part of an address refers to the subnet and which part refers to the host.

How do I find the IP address in Linux?

The following commands will give you the private IP address of your interfaces:

  1. ifconfig -a.
  2. ip address (ip a)
  3. hostname -I | awk ‘{print $ 1}’
  4. ip route get 1.2. …
  5. (Fedora) Wifi Settings → click the settings icon next to the name of the Wifi you are connected to → Ipv4 and Ipv6 can be seen.
  6. demo of the nmcli -p device.

February 7, 2020

How does a subnet work?

A subnet mask is used to divide an IP address into two parts. One party identifies the host (computer), the other party identifies the network to which it belongs. To better understand how IP addresses and subnet masks work, look at an IP address and see how it is organized.

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Why do we subnet?

Subnetting ensures that traffic destined for a device within a subnet remains on that subnet, reducing congestion. By strategically subnetting, you can help reduce the load on your network and route traffic more efficiently.

Is IP a subnet?

A subnet is the division of an IP network (set of Internet protocols), where an IP network is a set of communication protocols used on the Internet and other similar networks. … All hosts on a subnet have the same network prefix, as opposed to the host identifier, which is a unique local identification.

What is an example subnet?

Example: a class C network would have a subnet mask of 255.255. 255.0 which means 24 bits are used for the network. In CIDR notation, this is designated by a / 24 after the IP address.

How do you create a subnet?


  1. Click on the Network tab.
  2. On the Subnets tab, click Create.
  3. In the Create Subnet dialog box, specify the details of the subnet, such as name, subnet IP address or subnet mask, IP address range, gateway address, and broadcast domain. …
  4. Click Create.


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