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- Configuring a QoS Profile
- Related Topics
- Attaching a QoS Profile to an Interface
- Supported Interface Types for QoS Profiles
- Configuring Shadow Nodes
- Monitoring a Scheduler Hierarchy on an Interface with QoS Profiles
- For information about configuring QoS profiles with Service Manager, see JUNOSe Broadband Access Configuration Guide
- group
- node
- qos-profile
- queue
Configuring a QoS Profile
Before you configure a QoS profile:
- Configure the traffic classes.
- Configure the queuing hierarchy.
See Configuring Queue Profiles to Manage Buffers and Thresholds.
- Configure the scheduler hierarchy and shaping with scheduler profiles.
To configure a QoS profile:
- Create a QoS profile and enter QoS Profile Configuration
mode.host1(config)#qos-profile qosp-vc-queuing host1(config-qos-profile)#
- (Optional) Configure a group node for each interface. host1(config-qos-profile)#atm group groupA scheduler-profile scheduler1 statistics-profile statpro-1
When you configure a group node, you can also reference a default or named traffic-class group, a scheduler profile, or a statistics profile.
If you do not specify a traffic-class group, the group node defaults to the default group. Each traffic class can belong to only one traffic-class group (either the default group or a named group).
The router supports up to four traffic-class groups above a given port.
- (Optional) Configure a scheduler node for interfaces. host1(config-qos-profile)#atm node scheduler-profile scheduler1 group strict-priority
When you configure a scheduler node, you can also reference a default or named traffic-class group and a scheduler profile.
The scheduler profile supplies a relative weight and potentially a shaping rate to be applied at the scheduler node.
Note: You cannot associate a scheduler profile with a port-type interface unless you also specify the strict-priority group.
- (Optional) Configure a queue for interfaces in the specified
traffic class.host1(config-qos-profile)#atm queue traffic-class strict-priority scheduler-profile scheduler1 queue-profile queue1 drop-profile drop1
When you configure a queue, you can include any of the following profiles:
- The scheduler profile supplies a relative weight and potentially a shaping rate to be applied at the queue.
- The queue profile supplies threshold information for the queue if the router defaults are not appropriate.
- The drop profile supplies dropping behavior of a set of
egress queues.
Each queue traffic class can appear in only one traffic-class group.
