For example, a /112 prefix length could be used, extending the /48 prefix by 64 bits (4 hex quartets). However, any number of subnet bits could be chosen, as long as the host field retained enough bits to number all hosts in a subnet. NOTE - The subnet numbers in the figure could be abbreviated slightly, removing the three leading 0s from the last shown quartets.įigure 17-6 just shows one option for subnetting the prefix assigned to Company1. Note that the figure shows the subnet fields and prefix lengths (64 in this case) in bold.
Figure 17-6 takes the concept to the final conclusion, assigning the specific four subnets to be used inside Company1.
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