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Slope Policy QoS Policy Commands (for 7210 SAS-D and SAS-K devices)
Slope Policy QoS Policy Commands (for 7210 SAS-D and
SAS-K devices)
RED S
C
LOPE
OMMANDS
max-avg
Syntax
max-avg percent
no max-avg
Context
config>qos>slope-policy>queue>high-slope
config>qos>slope-policy>queue>low-slope
config>qos>slope-policy>queue>high-slope-ring (supported only on 7210 SAS-K devices)
config>qos>slope-policy>queue>low-slope-ring (supported only on 7210 SAS-K devices)
config>qos>slope-policy>queue>non-tcp-slope (supported only on 7210 SAS-D devices)
Description
Sets the low priority or high priority or non-tcp Weighted Random Early Detection (WRED) slope
position for the reserved and shared buffer average utilization value where the packet discard
probability rises directly to one. The percent parameter is expressed as a percentage of the shared
buffer size.
The no form of this command restores the max-avg value to the default setting. If the current
startavg setting is larger than the default, an error will occur and the max-avg setting will not be
changed to the default.
Default
max-avg 90 — High slope default is 90% buffer utilization before discard probability is 1.
max-avg 75 — Low slope default is 75% buffer utilization before discard probability is 1.
max-avg 75 — Non-tcp slope default is 75% buffer utilization before discard probability is 1.
Parameters
percent — The percentage of the reserved and shared buffer space for the buffer pool at which point the drop
probability becomes 1. The value entered must be greater or equal to the current setting of startavg. If
the entered value is smaller than the current value of start-avg, an error will occur and no change will
take place.
Values
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7210 SAS D, E, K OS Quality of Service Guide
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