Subnetting- Subnetting
is a way of splitting a TCP/IP network into smaller networks. When you subnet
your network, you are splitting the network into separate but interconnected
network. With this, network traffic will decrease but user can create
connection with other subnet.
Advantages of subnetting
are:-
·
Reduce network
traffic
·
Better network
performance
·
Simplified
management
There are two types of
Subnetting :-
1.
VLSM(Variable
Length Subnet Mask)- It allows an organization to use more than one subnet mask
within the same network address. It can be used to maximize addressing
efficiency.
2.
FLSM(Fixed Length
Subnet Mask)- Under FLSM scheme, all subnets on a network must have the same
subnet mask. If subnetmask 255.255.255.224 is applied, the first three octets
of the address and the first three bits of last octet indicate the subnet
address while last five bits of the octet indicates host address.
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