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bandwidth limiting

SonicWall does not deliver 200MB bandwidth, during business hours it delivers 80MB and out of hours 110MB

Category: Mid Range Firewalls

Best Answer

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    MustafaAMustafaA SonicWall Employee
    Answer ✓

    Hi @alesson

    This is a complex topic, but I would like to cover the basics. The throughput of a firewall depends on several factors, including:

    • Firewall model, which defines the CPU power, memory etc.
    • How the firewall is configured and the services running on the firewall

    Additionally, it is important to note that any misconfiguration or unnecessary feature that is configured or enabled can waste CPU resources, potentially impacting overall throughput. For example, leaving the Packet Monitor running without a specific purpose will consume CPU power. Similarly, changing the logging level to debug will also unnecessarily utilize the CPU.

    Moreover, it is crucial to consider how you are measuring throughput. If you are using the well-known public websites for measurement, at least please ensure the following:

    • Before the test, the firewall CPU utilization should be ideally below 5%
    • During the test, all the cores should max out to 100%

    There are many other factors, such as packet size and protocol type, that contribute to the complexity of this topic.


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