Backbone Diffserv Configuration (2):P-to-P QoS

• Policy applied outbound on all interfaces

  mDRR for differential scheduling:
  
  Priority queue for VoIP
  
  Queue for BUS
  Queue for BE
  RED to implement dropping policy and increase TCP throughput

• Traffic classified based on IP prec marking

• Configure “To Fabric” and “From Fabric” queuing

PE1

PE3

PE4

PE2

P3

P1

P2

P4

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