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Dell EMC SmartFabric OS10 User Guide Release 10.5.0

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queue-limit

Configures static or dynamic shared buffer thresholds.

Syntax
queue-limit {queue-len value | thresh-mode [dynamic threshold-alpha-value | static threshold-value]}
Parameters
  • queue-len value — Enter the guaranteed size for the queue, from 0 to 8911.
    • 45 KB (10G)/111 KB (40G) if the queue is priority flow control enabled
    • 2 KB (10G)/8 KB (40G) if the queue is lossy/link-level flow control
    • If this is a priority flow-control queue, this configuration is invalid
    • Only supported for POLICY-MAP-CLASS-MAP (pmap-c-queue) mode
  • thresh-mode — (Optional) Buffer threshold mode.
  • dynamic thresh-alpha-value — (Optional) Enter the value indexes to calculate the shared threshold to the enabled dynamic shared buffer threshold, from 0 to 10. Defaults:
    • 0 = 1/128
    • 1 = 1/64
    • 2 = 1/32
    • 3 = 1/16
    • 4 = 1/8
    • 5 = 1/4
    • 6 = 1/2
    • 7 = 1
    • 8 = 2
    • 9 = 4
    • 10 = 8
  • static thresh-value — (Optional) Enter the static shared buffer threshold value in Bytes, from 1 to 65535.
Default
Not configured
Command Mode
POLICY-MAP-CLASS-MAP
Usage Information
Use the queue-len value parameter to set the minimum guaranteed queue length for a queue. The no version of this command returns the value to the default.
Example
OS10(config)# policy-map type network-qos nqGlobalpolicy1
OS10(conf-cmap-nqos)# class type network-qos nqclass1
OS10(conf-cmap-nqos-c)# pause buffer-size 45 pause-threshold 30 resume-threshold 10
OS10(conf-cmap-nqos-c)# queue-limit 150
Example (queue) 
OS10(config)# policy-map type queuing pmap1
OS10(config-pmap-queuing)# class cmap1
OS10(config-pmap-c-que)# queue-limit queue-len 100
OS10(config-pmap-c-que)# queue-limit thresh-mode static 50
Supported Releases
10.3.0E or later

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