Should We Really Use This Affectation That Provides Alone Two Hosts?
Written on 15:45 by Ahmet Emir
You are the arrangement ambassador for Acme Corporation in San Francisco, with dozens of
WAN links abutting to your accumulated office. Right now your arrangement is a classful network,
which agency that the aforementioned subnet affectation is on anniversary host and router interface. You’ve read
about classless acquisition breadth you can accept altered admeasurement masks but don’t apperceive what to use
on your point-to-point WAN links. Is the 255.255.255.252 (/30) a accessible affectation in this situation?
Yes, this is a actual accessible affectation in advanced breadth networks.
If you use the 255.255.255.0 mask, again anniversary arrangement would accept 254 hosts, but you alone use 2
addresses with a WAN link! That is a decay of 252 hosts per subnet. If you use the 255.255.255.252
mask, again anniversary subnet has alone 2 hosts and you don’t decay adored addresses. This is a really
important subject, one that we’ll abode in a lot added detail in the area on VLSM network
design after in this blog.
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