PE-to-P Diffserv: MPLS backbone

class-map match-any VOIP

match mpls experimental 5

class-map match-any BUS

match mpls experimental 4

match mpls experimental 6

!

policy-map OC3_POLICY

class VOIP

priority percent 25

class BUS

bandwidth percent remaining 90

random-detect prec 4 97 609 1

random-detect prec 6 97 609 1

class class-default

bandwidth percent remaining 10

random-detect prec 0 97 609 1

!

interface POS0/1

ip address 10.0.1.1 255.255.255.252

service-policy output OUT_POLICY

• Configuration based on Modular QoS CLI (MQC):
  7500 Series
  

• For MPLS, classification of packets on EXP bits

PE1

PE3

PE4

PE2

P3

P1

P2

P4

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