Reference Guide

port, based on the port's priority ow-control enable mode. If you congure 40G to 10G mode on interfaces and
pause (no drop) is enabled on system-qos, all queues may or may not drop trac based on the availability of
buers. The no version of this command returns the value to the default.
Example
OS10(conf-pmap-c-nqos)# pfc-cos 0-2
Example (global
buer/shared
buer)
OS10(config)# policy-map type network-qos nqGlobalpolicy1
OS10(conf-cmap-nqos)# class CLASS-NAME
OS10(conf-cmap-nqos-c)# pause buffer-size 45 pause-threshold 25 resume-
threshold 10
OS10(conf-cmap-nqos-c)# pfc-cos 0-2
OS10(conf-cmap-nqos-c)# queue-limit 140
Supported Releases 10.3.0E or later
pfc-max-buer-size
Congures the maximum buer size for the priority ow-control enabled ows.
Syntax
pfc-max-buffer-size max-buffer-size
Parameters max-buffer-size — Enter the maximum buer size in KB.
Default None
Command Mode SYSTEM-QOS
Usage Information This command congures maximum size of the lossless buer pool.. The no version of this command removes the
maximum buer size limit.
Example
OS10(config-sys-qos)# pfc-max-buffer-size 2000
Supported Releases 10.4.0E(R1) or later
pfc-shared-buer-size
Changes the shared buers size limit for priority ow-control enabled ows.
Syntax
pfc-shared-buffer-size buffer-size
Parameters buffer-size — Enter the size of the priority ow-control buer in KB (0 to 8911).
Default 832 KB
Command Mode SYSTEM-QOS
Usage Information The no version of this command returns the value to the default.
Example
OS10(conf-sys-qos)# pfc-shared-buffer-size 2000
Supported Releases 10.3.0E or later
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