Subnetting Class C Addresses
Written on 15:09 by Ahmet Emir
There are abounding altered agency to subnet a network. The appropriate way is the way that works best
for you. In a Class C address, alone 8 $.25 are accessible for defining the hosts. Remember that
subnet $.25 alpha at the larboard and go to the right, after absence bits. This agency that the only
Class C subnet masks can be the following:
Binary Decimal CIDR
---------------------------------------------------------
00000000 = 0 /24
10000000 = 128 /25
11000000 = 192 /26
11100000 = 224 /27
11110000 = 240 /28
11111000 = 248 /29
11111100 = 252 /30
We can’t use a /31 or /32 because we accept to accept at atomic 2 host $.25 for allotment IP addresses
to hosts. In the past, I never discussed the /25 in a Class C network. Cisco consistently had been concerned
with accepting at atomic 2 subnet bits, but now, because of Cisco acquainted the
ip subnetzero
command in its class and assay objectives, we can use aloof 1 subnet bit.
In the afterward sections, I’m activity to advise you an alternating adjustment of subnetting that makes
it easier to subnet beyond numbers in no time. Trust me, you charge to be able to subnet fast!
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