Slope Policies - Alcatel-Lucent 7210 SAS E OS Quality Of Service Manual

QoS Overview

Slope Policies

The available buffer space is partitioned into buffer pools. The buffers for a queue are allocated
from a single buffer pool. Buffer pools are created for access port egress and access uplink port
egress.
Slope policies define the RED slope characteristics as a percentage of pool size for the pool on
which the policy is applied.
Default buffer pools exist (logically) at the port levels. Each physical port has two pools objects
associated:
•
•
By default, each pool is associated with slope-policy default which disables the high-slope and
low-slope within the pool.
Access and access uplink pools are created at the port level; creation is dependent on the physical
port mode (access uplink or access).
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Access egress pool
Access uplink egress pool
7210 SAS-E OS Quality of Service Guide