Alcatel-Lucent 7210 SAS Series Quality Of Service Manual page 228

Overview of service ingress policy on 7210 SAS-K
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Allow configuration of WRED slopes (per queue) – high-slope and low-slope. Depending
on the queue mode and the profile assigned to the packet on SAP ingress classification,
one of the configured WRED slopes is used to evaluate if a buffer can be allocated to the
packet. In-profile packets use the high-slope and out-of-profile packets use the low-slope.
Supports Strict priority (SP) scheduling and Weighted-Fair Queuing (WFQ) scheduling
for SAP ingress queues. For more information about service ingress scheduling, see the
Chapter , Schedulers on 7210 SAS-K, on page
If both IP criteria and MAC criteria are configured in SAP ingress QoS classification then
they need resources from two different slices. In other words, the MAC and IP criteria
entries cannot be located in the same slice/chunk. If resources are not found in two
different slices, then the association of the policy fails.
7210 SAS D, E, K OS Quality of Service Guide
391.