Lee Sanders wrote:
Hi Everyone,
This is a simple question but I don't understand why the below tbf is not
working as expected by throttling traffic to 5kbps
If I throttle a PC's traffic using the below when traffic exceeds 5kbps
packets start getting dropped (as they should) but all traffic gets dropped.
not just the bit over 5kbps.
TC="tc add dev ppp0"
$TC parent 8001:2 handle 2: tbf rate 5kbps latency 50ms burst 1540
I can see the "dropped" counter increasing, the overlimits counter stays the
same and there is a "backlog" counter with 21p
That's strange - this is a count of the packets queued, but why 21 - the
settings you use make for a very small buffer 5kbps and 50ms is < 1 bulk
packet.
do a tc -s -d qdisc ls dev ppp0 and you may see tbf has optimised it to
even less.
Try with 500ms latency.
Andy.
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