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77 lines
2.6 KiB
77 lines
2.6 KiB
4 months ago
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#! /bin/sh
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TC=/home/root/tc
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IP=/home/root/ip
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DEVICE=eth1
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BANDWIDTH="bandwidth 10Mbit"
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# Attach CBQ on $DEVICE. It will have handle 1:.
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# $BANDWIDTH is real $DEVICE bandwidth (10Mbit).
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# avpkt is average packet size.
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# mpu is minimal packet size.
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$TC qdisc add dev $DEVICE root handle 1: cbq \
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$BANDWIDTH avpkt 1000 mpu 64
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# Create root class with classid 1:1. This step is not necessary.
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# bandwidth is the same as on CBQ itself.
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# rate == all the bandwidth
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# allot is MTU + MAC header
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# maxburst measure allowed class burstiness (please,read S.Floyd and VJ papers)
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# est 1sec 8sec means, that kernel will evaluate average rate
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# on this class with period 1sec and time constant 8sec.
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# This rate is viewed with "tc -s class ls dev $DEVICE"
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$TC class add dev $DEVICE parent 1:0 classid :1 est 1sec 8sec cbq \
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$BANDWIDTH rate 10Mbit allot 1514 maxburst 50 avpkt 1000
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# Bulk.
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# New parameters are:
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# weight, which is set to be proportional to
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# "rate". It is not necessary, weight=1 will work as well.
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# defmap and split say that best effort ttraffic, not classfied
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# by another means will fall to this class.
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$TC class add dev $DEVICE parent 1:1 classid :2 est 1sec 8sec cbq \
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$BANDWIDTH rate 4Mbit allot 1514 weight 500Kbit \
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prio 6 maxburst 50 avpkt 1000 split 1:0 defmap ff3d
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# OPTIONAL.
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# Attach "sfq" qdisc to this class, quantum is MTU, perturb
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# gives period of hash function perturbation in seconds.
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#
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$TC qdisc add dev $DEVICE parent 1:2 sfq quantum 1514b perturb 15
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# Interactive-burst class
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$TC class add dev $DEVICE parent 1:1 classid :3 est 2sec 16sec cbq \
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$BANDWIDTH rate 1Mbit allot 1514 weight 100Kbit \
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prio 2 maxburst 100 avpkt 1000 split 1:0 defmap c0
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$TC qdisc add dev $DEVICE parent 1:3 sfq quantum 1514b perturb 15
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# Background.
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$TC class add dev $DEVICE parent 1:1 classid :4 est 1sec 8sec cbq \
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$BANDWIDTH rate 100Kbit allot 1514 weight 10Mbit \
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prio 7 maxburst 10 avpkt 1000 split 1:0 defmap 2
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$TC qdisc add dev $DEVICE parent 1:4 sfq quantum 1514b perturb 15
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# Realtime class for RSVP
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$TC class add dev $DEVICE parent 1:1 classid 1:7FFE cbq \
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rate 5Mbit $BANDWIDTH allot 1514b avpkt 1000 \
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maxburst 20
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# Reclassified realtime traffic
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#
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# New element: split is not 1:0, but 1:7FFE. It means,
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# that only real-time packets, which violated policing filters
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# or exceeded reshaping buffers will fall to it.
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$TC class add dev $DEVICE parent 1:7FFE classid 1:7FFF est 4sec 32sec cbq \
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rate 1Mbit $BANDWIDTH allot 1514b avpkt 1000 weight 10Kbit \
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prio 6 maxburst 10 split 1:7FFE defmap ffff
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