Scheduling on Aggregated Ethernet Interfaces
You can configure shared scheduling on aggregated Ethernet Interfaces in link-protection mode or without link protection. The following topic describes how to configure shared scheduling on aggregated Ethernet Interfaces.
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)]
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.