VLSM Subnetting Explained with Examples

This tutorial explains VLSM Subnetting in detail with practical examples. Learn what VLSM (Variable Length Subnet Masks) Subnetting is and how it is done step by step including the advantages of VLSM Subnetting and the differences between FLSM Subnetting and VLSM Subnetting.

Subnetting is the process of dividing a single large network in multiple small networks known as subnets. There are two types of Subnetting; FLSM Subnetting and VLSM Subnetting.

Differences between FLSM Subnetting and VLSM Subnetting

FLSM (Fixed Length Subnet Masks) Subnetting	VLSM (Variable Length Subnet Masks) Subnetting
All subnets are equal in size.	Subnets are variable in size.
All subnets have equal number of hosts.	Subnets have variable number of hosts.
All subnets use same subnet mask.	Subnets use different subnet masks.
It is easy in configuration and administration.	It is complex in configuration and administration.
It wastes a lot of IP addresses.	It wastes minimum IP addresses.
It is also known as classfull Subnetting.	It is also known as classless Subnetting.
It supports both classfull and classless routing protocols.	It supports only classless routing protocols.

Source: google.com

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How to make VLSM a given IP address

VLSM Subnetting Explained with Examples

Differences between FLSM Subnetting and VLSM Subnetting

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