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FIGURE 3.4 A VLSM network, example one
FIGURE 3.5 VLSM network, example two
First, create your VLSM table and use your block size chart to fill in the table with the subnets you need. Figure 3.7 shows a possible solution. Notice that we filled in this entire chart and only have room for one more block size of 4! Only with a VLSM network can you provide this type of address space savings.