Furthermore, it isn't compatible with every single network device. Older devices may struggle to work with classless routing, meaning businesses may find themselves needing to invest in newer equipment. Frequently asked questions What are IPv4 CIDR blocks? They are blocks of IP addresses that follo...
So far, we have used subnetting to create fixed-size subnets e.g. four (4) /26 subnets from one /24 block. However, the use of subnet masks and prefix lengths provide more flexibility –we can create subnets of varying sizes from the same address block i.e. VLSM. Let us consider th...