Computer Networking › Section E · The network layer: control plane › Topic E.6
Network management, SNMP, and NETCONF
A large network has thousands of routers, switches and servers, each with counters to watch and settings to get right. Network management is how operators see what is happening and change it safely, and SNMP and NETCONF are the protocols that make it possible at scale.
In this topic
- What network management covers
- The management framework
- SNMP and the MIB
- SNMP messages
- Worked example: link utilisation from counters
- Beyond polling: flows and telemetry
- NETCONF and YANG
- Worked example: a safe change on three routers
- Why it matters: configuration and outages
- Common mistakes to avoid
- Key takeaways
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