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Using tc in Linux and dummynet in FreeBSD to limit bandwidth

Fresh7 days ago
Mar 15, 20265011 views
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Problem

We have a network product that runs on Linux and needs to be tested in reduced bandwidth networks. We have been able to use 'tc' (traffic control) in Linux and dummynet in FreeBSD to inject delay (latency) with predictable behavior. But when we try to throttle the bandwidth with either of these, it…

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Fix for: Using tc in Linux and dummynet in FreeBSD to limit bandwidth

Low Risk

There is a question on serverfault that I answered with a more extensive example of using tc and iptables to do traffic limiting. This example comes from a setup we have on our mirror server and it works very well.

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