Subnetting and addressing

Carve blocks to fit, size each subnet to its host count, and summarize routes without over-advertising.

4 challenges · ~2 h · every step earns its own verified proof

0/4 solved

Carve up a /24 with VLSM, efficientlyeasy~35 min
Start on paper. One /24, four segments of different sizes, addressed and routed end to end.
Carve a /24 to fit four departmentsmedium~35 min
Fit four departments into a /24 by sizing each subnet to its hosts, not splitting evenly.
Five segments, one /23medium~40 min
A tighter /23 with five segments, where careless sizing runs you out of space.
Replace four routes with onemedium~30 min
Collapse four contiguous routes into the single prefix that covers them exactly.