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DSCP to Docsis 1.1 and further Priority

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fhalle
DSCP to Docsis 1.1 and further Priority

Hello,

I would like to use DSCP packet marking to increase user experience in case of congestion on the downstream RF interface.
I can use downstream packetclass to match the iptos value and then use a specific downstream service flow like this :
DsServiceFlow /* BestEffort */
{
DsServiceFlowRef 101;
QosParamSetType 7;
TrafficPriority 4;
MaxRateSustained 10000000;
}
DsServiceFlow /* Lower than Best Effort */
{
DsServiceFlowRef 102;
QosParamSetType 7;
TrafficPriority 2;
MaxRateSustained 1000000;
}
DsPacketClass /* Lower than Best Effort */
{
ClassifierRef 4;
ServiceFlowRef 102;
RulePriority 0;
ActivationState 1;
IpPacketClassifier
{
IpTos 0x20fc20;
}
}
But it give 20Mb to the subscriber. What I want is to have a single 10Mb service flow with 2 priority. Priority 2 for packets with iptos 0x20fc20 and priority 4 for unmatched packets.

Is anyone has an idea ?
regards,
Fabrice.