More on SNMP
Remote Monitoring (RMON)
- Enables remote monitoring of SNMP devices
- Provide network wide monitoring info to the manager (rather than device wide info)
- No need to look at individual devices
- Reduces network management traffic
- Collects info on various layers (data link, network, application layer)
- Provides a clear picture of types of traffic
- Also collects statistics based on IP addresses
- Enables manager to observe any host-host traffic
Problems with SNMP
- Limited functionality; security; vendor extensions