Users Guide

pfc-max-buer-size
Congures the maximum buer size for 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 the 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, from 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
pfc-shared-headroom-buer-size
Congures the shared headroom size for absorbing the packets after pause frames generate.
NOTE
: This command is available only on the following platforms:
• S5212F-ON, S5224F-ON, S5232F-ON, S5248F-ON, S5296F-ON
• Z9100-ON
• Z9264F-ON
Syntax
pfc-shared-headroom-buffer-size headroom-buffer-size
Parameters headroom-buffer-size — Enter the size of the priority ow-control headroom buer in KB, from 1 to 3399.
Default 1024 KB
Command Mode SYSTEM-QOS
Usage Information All PFC-enabled priority groups can use the shared headroom space. Headroom is the buer space that absorbs
the incoming packets after the PFC frames reach the sender. After the threshold is reached, PFC frames generate
1162 Quality of service