Cover by Wolfgang Barth

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Chapter 11. Collecting Information Relevant for Monitoring with SNMP

SNMP stands for Simple Network Management Protocol, a protocol defined above all to monitor and manage network devices. This means being able to have not only read access, but also write access to network devices, so that you can turn a specific port on a switch on or off, or intervene in other ways.

Nearly all network-capable devices that can also be addressed via TCP/IP can handle SNMP, and not just switches and routers. For Unix systems there are SNMP daemons; even Windows servers contain an SNMP implementation in their standard distribution, although this must be explicitly installed. But even uninterruptible power supplies (UPSs) or network-capable sensors are SNMP-capable. ...

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