CBWFQ

为f0/0进入的流量,分配4M带宽送出到f0/1
 
-------f0/0--R1---f0/1-----
 
------>              ------>
 
 
R1:
ip cef
class-map match-all bb2in
  match input-interface f0/0
 
policy-map limit4m
  class bb2in
  police 4000000 750000 1500000 conform-action transmit exceed-action drop
 
int f0/1
  service-policy output limit4m
 
 
经验公式:
BC=CIR/8*1.5
BE=2*BC
 
BC=4000000/8=500000*1.5=750000
BE=750000*2=1500000

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