Router ↔ firewall link
- Input
- 10.0.0.1/30
- Expected output
- Rede 10.0.0.0, hosts .1 e .2, broadcast .3
Classic short-link case.
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cidr 30
The /30 mask is very common in point-to-point links and network troubleshooting scenarios.
Classic short-link case.
A good mask for studying older links.
Yes. It helps visualize the main subnetting outputs for both IPv4 and IPv6, including split scenarios and more detailed planning workflows.
In common IPv4, 2 usable hosts.
Yes, although /31 also appears in some modern scenarios.
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