January 2023
Intermediate to advanced
594 pages
12h 26m
English
Content preview from Mastering Python Networking - Fourth Edition
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Network Monitoring with Python – Part 2
In Chapter 7, Network Monitoring with Python – Part 1, we used SNMP to query information from network devices. We did this using an SNMP manager to query the SNMP agent residing on the network device. The SNMP information is structured in a hierarchy format with a specific object ID as a way to represent the value of the object. Most of the time, the value we care about is a number, such as CPU load, memory usage, or interface traffic. We can graph this data against time to give us a sense of how the value has changed over time.
We can typically classify the SNMP approach as a pull method as we constantly ask the device for a particular answer. This method adds a burden to the device because it needs ...
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