Top - Fbsubnet L

If you are deploying a network today, the FBSubnet L Top is an investment that will remain relevant for the next 5–7 years.

✅ Integrate fbsubnet with your change management system. Knowing who took a /31 at 2 AM is invaluable. fbsubnet l top

FB subnetting in fat-tree topologies often ignores the “layer” aspect—aggregation, edge, and core subnets are treated equally. The l top heuristic lists subnets by topological importance, enabling smarter routing and reallocation. If you are deploying a network today, the

fb-diag --device-mac=aa:bb:cc:dd:ee:ff --simulate-promotion fbsubnet l top