ChatterBank1 min ago
Classless IP addressing
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What is meant by classless IP addresses. How does this work?
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It's the same as VLSM (Virtual Length Subnet Mask(ing)).
In the old days (!) IP addresses were put into classes by using a fixed subnet mask or netmask which masked on an 8 bit boundary eg. 255.0.0.0 - Class A, 255.255.0.0 - Class B etc.
With VLSM or classless addressing, more efficient use of IP addressing is available by using netmasking at the bit boundary. This gives a less rigid division of network and host addresses.
It is basically, a more efficient use of IP addresses until IP version 6, which uses a 128 bit addressing scheme, comes into widespread use.
It's not an easy question to answer in a few short sentences. Depending on your Networking knowledge, my answer may mean nothing so I could go into more detail if required.
In the old days (!) IP addresses were put into classes by using a fixed subnet mask or netmask which masked on an 8 bit boundary eg. 255.0.0.0 - Class A, 255.255.0.0 - Class B etc.
With VLSM or classless addressing, more efficient use of IP addressing is available by using netmasking at the bit boundary. This gives a less rigid division of network and host addresses.
It is basically, a more efficient use of IP addresses until IP version 6, which uses a 128 bit addressing scheme, comes into widespread use.
It's not an easy question to answer in a few short sentences. Depending on your Networking knowledge, my answer may mean nothing so I could go into more detail if required.
Only 1 answer
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