Alcatel-Lucent 7950 Quality Of Service Manual page 326

Network IP Interface Forwarding Class-Based Redirection
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When the queue group parameter is removed from an IP interface:
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When a network QoS policy egress forwarding class redirection to a queue ID is removed or
added:
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If the operation above is successful, then:
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When an IP interface associated with a queue group is bound to a port:
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If the operation above is successful, then:
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When an IP interface associated with a queue group is unbound from a port:
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The system increments the association counter for the queue group template with the same
name as the queue group specified when the QoS policy is applied.
The system increments the queue ID association counter within the queue group template
for each forwarding class redirected to the queue ID.
If the IP interface is currently bound to a port (or LAG), the association counter for the
queue group on the port is incremented.
The system decrements the association counter for the queue group template with the
same queue group name that was removed from the IP interface.
The system decrements the queue ID association counter within the queue group template
for each forwarding class that had previously been redirected to the queue ID.
If the IP interface is currently bound to a port (or LAG), the association counter for the
removed queue group on the port is decremented.
If a redirection is being added to a forwarding class and the queue ID does not exist on the
queue groups for IP interfaces where the QoS policy is applied, the redirection will fail.
The system finds all IP interfaces where the policy is applied.
Finds all affected queue group templates based on the queue group associated with the
QoS policy on each interface.
If removing, the queue ID association counter is decremented within each queue group
template based on the queue ID removed from the policy.
If adding, the queue ID association counter is incremented within each queue group
template based on the queue ID added to the policy.
If the specified egress queue group does not exist on the port, the port binding will fail.
The system increments the association counter for the queue group on the port.
The system decrements the association counter for the queue group on the unbound port
7950 XRS Quality of Service Guide