![]() ![]() ![]() For example, a firewall with 1 GB of RAM will default to 100,000 states which when full would use about 100 MB of RAM. The default state table size is calculated based on 10% of the available RAM in the firewall. Large State Tables - State table entries require about 1 KB of RAM each. AES-NI acceleration of IPsec significantly reduces CPU requirements on platforms that support it.Ĭaptive Portal - While the primary concern is typically throughput, environments with hundreds of simultaneous captive portal users (of which there are many) will require slightly more CPU power than recommended above. ![]() The number of connections is much less of a concern than the throughput required. Encrypting and decrypting traffic is CPU intensive. VPN - Heavy use of any of the VPN services included in the pfSense software will increase CPU requirements. Most features do not factor into hardware sizing, although a few will have a significant impact on hardware utilization: The following outlines the best practices for choosing the appliance best suitable for your environment. 2.5 Gigabit, and 10 Gigabit SpeedsĤx Intel 2.5 GbE i226 Discrete (unswitched) ![]()
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