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I have a tc rule as follows:
qdisc tbf 1: dev bwp93ce2ea9d929 root refcnt 2 rate 100Mbit burst 100Kb lat 25.0ms
Is this rule guarantee network bandwidth to be 100Mbps or it'll throttle if not enough network bandwidth is available at the moment?
If tc is not providing a guaranteed slice of bandwidth, then what's the alternative?
No, it's not guaranteed. It only limits the bandwidth of that process to a certain rate without guarantying any bandwidth.
