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Sams Teach Yourself Network Troubleshooting in 24 Hours, Second Edition by Jonathan Feldman

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Application Discovery

Discovering applications on your network is just as essential as discovering the wires and the basic network infrastructure. After all, if you figure out that DNS at your organization is completely hosed up, it might be nice to know exactly which servers on your network offer DNS.

SNMP: Application and Network Tool

SNMP has a sort of dual existence. On one hand, it’s a very important part of your network infrastructure. On the other hand, it is a TCP/IP application—it’s just embedded on your hardware platforms.

No matter what device you’re attempting to find—routers, switches, servers—the wonderful thing about SNMP, if you’re arriving at a new job where your predecessor hasn’t documented anything, is that its community ...

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