Alcatel-Lucent 7950 Quality Of Service Manual page 321

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When a SAP egress QoS policy forwarding class redirection is removed from a queue group queue
ID:
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If the above operation is successful then:
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When a SAP ingress QoS policy with a forwarding class redirection to a queue group queue ID is
applied to a SAP:
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If the operation above is successful, then:
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When a SAP ingress QoS policy with a forwarding class redirection to a queue group queue ID is
removed from a SAP:
7950 XRS Quality of Service Guide
Ingress and Egress Queue Group Creation and Redirection
If the SAP egress QoS policy is currently applied to a non-Ethernet port or an Ethernet
port where the specified egress queue group does not exist, the forwarding class
redirection will fail.
If the forwarding class is being moved to another queue group queue ID that does not exist
within an egress queue group template, the redirection removal from the current queue
group queue ID will fail.
If the forwarding class is being moved to a local queue ID within the SAP egress QoS
policy and the local queue ID does not exist, the redirection removal from the current
queue group queue ID will fail.
If the forwarding class is being moved to a local queue ID within the SAP egress QoS
policy and it is the first forwarding class to be mapped to the queue ID the system will
attempt to instantiate the queue on each egress SAP where the SAP egress QoS policy is
applied. If the queue cannot be created on any of the SAPs, the redirection removal from
the current queue group ID will fail.
The system decrements the association counter for the egress queue group template with
the same name as the queue group previously specified in the forwarding class redirection.
The system decrements the queue ID association counter within the queue group template
for the queue ID previously specified in the forwarding class redirection.
The system decrements the port queue group association counter for each egress port
queue group where the SAP egress QoS policy is applied to a SAP.
If the queue group specified in any forwarding class redirection does not exist as an
ingress port queue group on the port associated with the SAP, the SAP ingress QoS policy
application will fail.
The system increments the port queue group association counter for each ingress port
queue group referenced in a forwarding class redirection on the port associated with the
SAP. The ingress port queue group association counter is incremented for each forwarding
class redirected to the queue group within the added policy.
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