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Nessus Network Monitor Hardware Requirements

The following chart outlines the minimum hardware requirements for operating Tenable Core for Nessus Network Monitor.

Scenario Hardware Recommendations
NNM managing up to 50,000 hosts * (**)

CPU: 1 dual-core 2GHz CPU (2 dual-core recommended)

Memory: 2 GB RAM (4 GB RAM recommended)

Hard Drive: 20 GB HDD minimum

NNM managing more than 50,000 hosts **

CPU: 2 dual-core 2GHz CPU (4 dual-core recommended)

Memory: 4 GB RAM (8 GB RAM recommended)

Hard Drive: 20 GB HDD minimum

NNM running in High Performance mode

CPU: 10 CPUs with hyperthreading enabled

Memory: 6 GB RAM (HugePages memory: 2 GB)

Hard Drive: 20 GB HDD minimum

*The ability to monitor a given number of hosts depends on the bandwidth, memory, and processing power available to the system running NNM.

**For optimal data collection, NNM must be connected to the network segment via a hub, spanned port, or network tap to have a full, continuous view of the network traffic.

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