Parent Policer Priority and Unfair Sensitive Discard Thresholds
850 Quality of Service Guide
Figure 56: Policer Bucket Rate and Packet Flow Interaction with Bucket Depth
Figure 57: Parent Policer Bucket and Priority Thresholds
Offered packets
CIR
PIR
FIR
PIR
CIR
Below MBS, so white
tokens go into CIR bucket
Below CBS, so green
tokens go into FIR bucket
Below FIR Threshold, so
green/blue tokens go into
parent bucket
packet
MBS
Current
burst level
CBS
Current
burst level
Current
burst level
FIR
FIR
threshold
OSSG341
Parent PIR
Fair discard
for priority 3
Below priority 3 fair
discard fair, so packets
marked green (in-profile)
Current
burst
level
Un-fair
discard for
priority 3
OSSG342
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