Qset Profiles - Alcatel-Lucent OmniSwitch 9900 Series Network Configuration Manual

Configuring QoS
Multicast Queues
Unicast and multicast traffic are both queued and funneled separately through the switch. The QSet
framework described in previous sections applies only to unicast traffic. Multicast traffic is queued based
on the destination multicast group ID (MGID) for the packets. Pre-set queues and profiles associated with
the MGID handle the multicast traffic.
The multicast queue framework is not user-configurable in that there are no user-configurable profiles.
However, the type of profile assigned to a port can determine the class of service for multicast traffic. For
more information, see

QSet Profiles

The following predefined QSet profiles (QSPs) are supported:
•
QSP 1 and QSP 5 on the OmniSwitch 9900.
•
QSP 1, 2, 3, and 4 on all the other OmniSwitch platforms.
Each profile defines the following bandwidth management attributes that are applied to traffic destined for
the port or LAG QSet instance associated with the profile:
•
The percentage of bandwidth allocated for and shared by all of the QSet queues. This value is taken
from the port to which the QSet profile is applied (either port speed or the user-defined bandwidth for
the port is used).
•
The name and ID and administrative status of the WRED profile (WRP) that is applied to all of the
QSet queues. By default, WRP 1 is associated with each QSet profile. (WRED is supported only on the
OmniSwitch 6900.)
•
The administrative status of statistics collection for the QSet queues.
•
The queue specific (QSpec) priority used for output scheduling on each of the eight QSet queues.
The following table provides a summary of the predefined management attributes for each QSet profile:
QSP Default WRP
QSP 1
QSP 2
QSP 3
QSP 4
QSP 5
To determine how flows are mapped to the egress queues based on ingress priority markings, see the
"QSet Profile Mapping (Unicast)" on page
each QSet profile.
Configuring QSet Profiles
The default QSet profile (QSP 1) is automatically assigned to each QSet instance when a port goes active
or a port joins a LAG. It is only necessary to assign a different profile if QSP 1 attributes are not
sufficient.
Consider the following when configuring a QSet profile:
OmniSwitch AOS Release 8 Network Configuration Guide
"Multicast and Unicast Traffic Distribution" on page
Bandwidth
WRP 1 100%
WRP 1 100%
WRP 1 100%
WRP 1 100%
WRP 1 100%
26-13. This section contains CoS priority mapping tables for
26-15.
Queue Specific Priority
8 SP
1 EF, 7 SP
1 EF, 7 WFQ
1 EF, 2 SP, 4 AF, 1 BE
8 WRR
December 2017
Congestion Management
page 26-11