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Configuring CoS on ACX Series Routers

Physical interface-based classifiers are supported at the [edit class-of-service interfaces interfaces-name] hierarchy level. EXP bits are located in each MPLS label and used to encode the CoS value of a packet as it traverses an LSP. To configure global EXP bits, include the exp statement at the [edit class-of-service system-defaults classifiers] hierarchy level.

To configure CoS on ACX Series routers:

  1. Configure the class of service.
  2. Configure the rewrite rules.
  3. Configure behavior aggregate classifiers for DiffServ CoS.
  4. Configure expedited forwarding class classifiers.
  5. Define the forwarding-class mappings.
  6. Configure network control forwarding class classifiers.
  7. Apply the rewrite rules and classifiers to the interfaces.
  8. Set the global system default.

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