2/13/2023 0 Comments Nms navigation data![]() The total of each of these estimates gives us the approximate number of interfaces in the network. Routers and Layer 3 switches tend to have a number virtual interfaces (e.g., VLAN interfaces) that can be estimated. Routers will have some number of physical interfaces that depends on device model, so knowing the rough number of devices allows us to estimate the number of physical interfaces. A rough approximation of the number of interfaces in the network is a multiple of one of these numbers. However, there are some ways to create an estimate.Įnterprise networks tend to built with switches that have 24 or 48 ports per chassis or per blade. While most organizations will know how many devices they have, few will be able to estimate the number of interfaces that should be monitored. The main driver for NMS data collection is the number of interfaces from which data must be collected. The first task is efficiently gathering the data. I’ll look at each of these tasks in the next few blogs. The job is actually a combination of three tasks: They have to collect vast amounts of data from network interfaces and efficiently store it for rapid access. Comprehensive network management systems have a very difficult job.
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