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Juniper was the first North American IP routing vendor to achieve the prestigious TL 9000 certification by the Quality of Excellence for Suppliers of Telecommunications (QuEST) Forum in the router category, for design, development, provision and service and support.



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Configuring Shadow Nodes

Before you configure shadow nodes:

To add a shadow node to a QoS profile:

  1. Create a QoS profile and enter QoS Profile Configuration mode.
    host1(config)#qos-profile shadowNode host1(config-qos-profile)#
  2. Configure a scheduler node for each interface of the specified type.
    host1(config-qos-profile)#atm node scheduler-profile default
  3. Configure a shadow node for each interface of the specified type.
    host1(config-qos-profile)#atm shadow-node scheduler-profile default
  4. Configure a queue for interfaces in the specified traffic class.
    host1(config-qos-profile)#atm queue traffic-class strict-priority scheduler-profile scheduler1
  5. (Optional) Configure a traffic-class group and reference a scheduler profile in the QoS profile.
    host1(config-qos-profile)#atm group default scheduler-profile default

The router creates the shadow node when the following conditions are met:

  • After all the nodes and group nodes are created.
  • If the queues are not at the required scheduler level.
  • When a node of the same interface type has existed in the same group of the scheduler hierarchy.

Published: 2009-12-16