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Example: Providing a Guaranteed Minimum Rate

Two logical interface units, 0 and 1, are provisioned with a guaranteed minimum of 750 Kbps and 500 Kbps, respectively. For logical unit 1, the delay buffer is based on the guaranteed rate setting. For logical unit 0, a delay-buffer rate of 500 Kbps is specified. The actual delay buffers allocated to each logical interface are 2 seconds of 500 Kbps. The 2-second value is based on the following calculation:



delay-buffer-rate < [8 x 64 Kbps]): 2 seconds of delay-buffer-rate

For more information about this calculation, see Maximum Delay Buffer for NxDS0 Interfaces.



chassis {


fpc 3 {


pic 0 {

q-pic-large-buffer;
}


}


}
interfaces {


t1-3/0/1 {
per-unit-scheduler;
}


}
class-of-service {


traffic-control-profiles {


tc-profile3 {
guaranteed-rate 750k;
scheduler-map sched-map3;
delay-buffer-rate 500k; # 500 Kbps is less
than 8 x 64 Kbps 								

}




tc-profile4 {
guaranteed-rate 500k; # 500 Kbps is less than
8 x 64 Kbps 								

scheduler-map sched-map4;
}


}




interfaces {



t1-3/0/1 {


unit 0 {
output-traffic-control-profile tc-profile3;
}




unit 1 {
output-traffic-control-profile tc-profile4;
}


}


}

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