Alcatel-Lucent 7750 SR Manual page 696

Virtual Private LAN Services
The qos command is used to associate both ingress and egress QoS policies. The qos command only
allows ingress policies to be associated on SAP or IP interface ingress and egress policies on SAP or
IP interface egress. Attempts to associate a QoS policy of the wrong type returns an error.
Only one ingress and one egress QoS policy can be associated with a SAP or IP interface at one time.
Attempts to associate a second QoS policy of a given type will return an error.
When an ingress QoS policy is defined on IES ingress IP interface that is bound to a VPLS, the policy
becomes associated with every SAP on the VPLS and augments the QoS policy that is defined on
each SAP. Packets that are bridged will be processed using the policy defined on the VPLS SAP;
packets that are routed will be processed using the policy defined in the IES IP interface-binding
context.
When an egress QoS policy is associated with an IES IP interface that has been bound to a VPLS, the
policy becomes associated with every SAP on the VPLS and augments the egress QoS policy that is
defined on each SAP. Packets that are bridged will be processed using the policy defined on the VPLS
SAP; packets that are routed will be processed using the policy defined in the IES IP interface-
binding context.
By default, if no specific QoS policy is associated with the SAP or IP interface for ingress or egress ,
so the default QoS policy is used.
The no form of this command removes the QoS policy association from the SAP or IP interface, and
the QoS policy reverts to the default.
policy-id — The ingress/egress policy ID to associate with SAP or IP interface on ingress/egress. The
shared-queuing — This keyword can only be specified on SAP ingress. Specify the ingress shared
multipoint-shared — This keyword can only be specified on SAP ingress. Multipoint shared
queue-override
Syntax [no] queue-override
Context config>service>vpls>sap>egress
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policy ID must already exist.
Values
1 — 65535
queue policy used by this SAP. When the value of this object is null, the SAP will use individual
ingress QoS queues, instead of the shared ones.
queuing is a superset of shared queuing. When multipoint shared queuing keyword is set, in
addition to the unicast packets, multipoint packets also used shared queues.
Ingress unicast service queues are mapped one-for-one with hardware queues and unicast packets
traverse the ingress forwarding plane twice, similar to the shared-queuing option. In addition, the
multipoint queues defined in the ingress SAP QoS policy are not created. Instead, multipoint
packets (broadcast, multicast and unknown unicast destined) are treated to the same dual pass
ingress forwarding plane processing as unicast packets.
When the value of this object is null, the SAP will use individual ingress QoS queues, instead of
the shared ones.
Values Multipoint or not present.
Default
Present (the queue is created as non-multipoint).
7750 SR OS Services Guide