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Slope Policy QoS Policy Commands (for 7210 SAS-D and SAS-K devices)
start-avg
Syntax
start-avg percent
no start-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
This command sets the low priority or high priority Random Early Detection (RED) slope position
for the shared buffer average utilization value where the packet discard probability starts to
increase above zero. The percent parameter is expressed as a percentage of the shared buffer size.
The no form of this command restores the start-avg value to the default setting. If the max-avg
setting is smaller than the default, an error will occur and the start-avg setting will not be changed
to the default.
Default
max-avg 70 — High slope default is 70% buffer utilization.
max-avg 50 — Low slope default is 50% buffer utilization.
max-avg 50 — Non-tcp slope default is 50% buffer utilization.
Parameters
percent — The percentage of the resrved and shared buffer space for the buffer pool at which the drop starts.
The value entered must be lesser or equal to the current setting of max-avg. If the entered value is
greater than the current value of max-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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