Finding dynamic IP addresses

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Mobile

Smartphone users can turn to a commercial tool known by the name of either Look@Lan or Fing [15] for help. This tool comes as a DEB package for Android and Debian and combines Ping and Nmap. The software has versions for the command-line and a graphical interface (Figure 2).

Figure 2: An overview of the network according to Fing.

Conclusion

As long as everything runs smoothly on a DHCP network, you do not need to waste time looking at address assignments for hosts. However, if the system experiences problems, you will find that the collection of tools presented here offers reliable help for analyzing the entire LAN infrastructure.

Acknowledgments

The author thanks Axel Beckert, Sebastian Andres, Wolfram Eifler, Dirk Deimeke, and Werner Heuser for the encouragement and helpful criticism they provided during the preparation of this article.

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