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Examples: Configuring Up to Eight Forwarding Classes

Configure a one-to-one mapping between eight forwarding classes and eight queues:



[edit class-of-service]
forwarding-classes {
queue 0 be;
queue 1 ef;
queue 2 af;
queue 3 nc;
queue 4 ef1;
queue 5 ef2;
queue 6 af1;
queue 7 nc1;
}

Defining Eight Classifiers



[edit class-of-service]
classifiers {


dscp dscp-table {


forwarding-class ef {
loss-priority low code-points [101000, 101001];
loss-priority high code-points [101010, 101011];
}




forwarding-class af {
loss-priority low code-points [010000, 010001];
loss-priority high code-points [010010, 010011];
}




forwarding-class be {
loss-priority low code-points [000000];
}




forwarding-class nc {
loss-priority low code-points [111000];
}




forwarding-class ef1 {
loss-priority low code-points [101100, 101101];
loss-priority high code-points [101110];
}




forwarding-class af1 {
loss-priority high code-points [101110];
}




forwarding-class ef2 {
loss-priority low code-points [101111];
}




forwarding-class af2 {
loss-priority low code-points [010000];
}




forwarding-class nc1 {
loss-priority low code-points [111001];
}


}


}

Adding Eight Schedulers to a Scheduler Map

Configure a custom scheduler map that applies globally to all interfaces, except those that are restricted to four queues:



[edit class-of-service]
scheduler-maps {


sched {
forwarding-class be scheduler Q0;
forwarding-class ef scheduler Q1;
forwarding-class af scheduler Q2;
forwarding-class nc scheduler Q3;
forwarding-class ef1 scheduler Q4;
forwarding-class ef2 scheduler Q5;
forwarding-class af1 scheduler Q6;
forwarding-class nc1 scheduler Q7;
}


}
schedulers {


Q0 {
transmit-rate percent 25;
buffer-size percent 25;
priority low;
drop-profile-map loss-priority any protocol both drop-default;
}




Q1 {
buffer-size temporal 2000;
priority strict-high;
drop-profile-map loss-priority any protocol both drop-ef;
}




Q2 {
transmit-rate percent 35;
buffer-size percent 35;
priority low;
drop-profile-map loss-priority any protocol both drop-default;
}




Q3 {
transmit-rate percent 5;
buffer-size percent 5;
drop-profile-map loss-priority any protocol both drop-default;
}




Q4 {
transmit-rate percent 5;
priority high;
drop-profile-map loss-priority any protocol both drop-ef;
}




Q5 {
transmit-rate percent 10;
priority high;
drop-profile-map loss-priority any protocol both drop-ef;
}




Q6 {
transmit-rate remainder;
priority low;
drop-profile-map loss-priority any protocol both drop-default;
}




Q7 {
transmit-rate percent 5;
priority high;
drop-profile-map loss-priority any protocol both drop-default;
}


}

Configuring an IP Precedence Classifier and Rewrite Tables



[edit class-of-service]
classifiers {


inet-precedence inet-classifier {


forwarding-class be {
loss-priority low code-points 000;
}




forwarding-class af11 {
loss-priority high code-points 001;
}




forwarding-class ef {
loss-priority low code-points 010;
}




forwarding-class nc1 {
loss-priority high code-points 011;
}




forwarding-class {
loss-priority low code-points 100;
}




forwarding-class af12 {
loss-priority high code-points 101;
}




forwarding-class ef1 {
loss-priority low code-points 110;
}




forwarding-class nc2 {
loss-priority high code-points 111;
}


}


}
exp exp-rw-table {


forwarding-class be {
loss-priority low code-point 000;
}




forwarding-class af11 {
loss-priority high code-point 001;
}




forwarding-class ef {
loss-priority low code-point 010;
}




forwarding-class nc1 {
loss-priority high code-point 111;
}




forwarding-class be1 {
loss-priority low code-point 100;
}




forwarding-class af12 {
loss-priority high code-point 101;
}




forwarding-class ef1 {
loss-priority low code-point 110;
}




forwarding-class nc2 {
loss-priority low code-point 111;
}


}
inet-precedence inet-rw-table {


forwarding-class be {
loss-priority low code-point 000;
}




forwarding-class af11 {
loss-priority high code-point 001;
}




forwarding-class ef1 {
loss-priority low code-point 010;
}




forwarding-class nc1 {
loss-priority low code-point 111;
}




forwarding-class be1 {
loss-priority low code-point 100;
}




forwarding-class af12 {
loss-priority high code-point 101;
}




forwarding-class ef1 {
loss-priority low code-point 111;
}




forwarding-class nc2 {
loss-priority low code-point 110;
}


}

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