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Configuring Scheduler on Aggregated Ethernet Interfaces Without Link Protection

On aggregated Ethernet interfaces, you can configure scheduler in non–link-protect mode on the following platforms:

  • MX-Series
  • M120 and M320 with IQ2 PIC
  • T-series platforms (T620 and T320) with IQ2 PIC

The scheduler functions supported are:

  • Per unit scheduler
  • Hierarchical scheduler
  • Shaping at the physical interface

To configure the hierarchical scheduler on aggregated Ethernet interfaces in the non link-protect mode, include the hierarchical-scheduler statement at the [edit interfaces aeX] hierarchy level:

[edit interfaces aeX hierarchical-scheduler]

Prior to Junos OS Release 9.6, the hierarchical scheduler mode on these models required the aggregated-ether-options statement link-protection option. If a link-protection option is not specified, the scheduler is configured in non-link-protect mode.

To specify the member link bandwidth derivation based on the equal division model (scale) or the replication model (replicate) on aggregated Ethernet interfaces, include the member-link-scheduler (scale | replicate) option at the [edit class-of-service interfaces aeX] hierarchy level. The default setting is scale.

[edit class-of-service interfaces aeX member-link-scheduler (scale | replicate)]

Note: In link-protect mode, only one link is active at a time and the other link acts as the backup link, whereas in a non link-protect mode, all the links of the aggregate bundle are active at the same time. There is no backup link. If a link goes down or a new link is added to the bundle, traffic redistribution occurs.

Published: 2013-02-13

Supported Platforms

Published: 2013-02-13