Now to answer your question in short, classful addressing divides IP addresses into 5 different classes, each with its own predefined address range and subnet mask. On the contrary, …

Classful means: class A,B, and C then the mask /8, /16 and /24 respectively. there is no subnet. Then on classless you can barrow bits from host to become a subnet. Expand Post

This is an additional explanation to the table on Classful addressing in exam certification guide, Pg 110, ICND1, by Wendell Odom

I am trying to understand the difference between classful and classless IP addressing. I understand the rules for classful addressing, but I am less sure about classless addressing. If I …

then it will be classful like rip v1. However if you include the no auto-summary then it is classless. this is very easy to test with a packet tracer examples. here is a listing from my pkt tracer …

Hi All, Im a bit confused as to the difference between classless and classful addressing, I understand that classful has 3 parts network, subnet and host, which means a class A B or C …

Classful routing protocols having simpler routing updates because the subnet mask is not sent in the update. It can instead be determined using the first octet to determine the class of the …

Classful vs classless routing--ip classless (default) vs no ip classless . This has to do with how the default route is used. With "ip classless", packets destined to an address are strictly matched …

IP Range starts 1-126 & default mask -> Call it class A, or a classful address. IP Range starts 128-191 & default mask -> Call it class B, or a classful address. IP Range starts 192 - 223 & …

You have no "classful" network to be redistributed. The 172.16.100.0/24 is not "classful", therefore no route is redistributed. Even if you add the static route. With the static route you will need to …