Users Guide

Usage Information This command configures the maximum size of the lossless buffer pool. The no version of this command removes
the maximum buffer size limit.
Example
OS10(config-sys-qos)# pfc-max-buffer-size 2000
Supported
Releases
10.4.0E(R1) or later
pfc-shared-buffer-size
Changes the shared buffers size limit for priority flow-control enabled flows.
Syntax
pfc-shared-buffer-size buffer-size
Parameters buffer-size — Enter the size of the priority flow-control buffer 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-buffer-size
Configures 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 flow-control headroom buffer 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 buffer space that absorbs
the incoming packets after the PFC frames reach the sender. After the threshold is reached, PFC frames
generate towards the sender. The packets sent by the sender after the PFC frames generate are absorbed into
the Headroom buffer. The no version of this command returns the value to the default.
Example
OS10(conf-sys-qos)# pfc-shared-headroom-buffer-size 2000
Supported
Releases
10.4.0E(R1) or later
police
Configures traffic policing on incoming traffic.
Syntax
police {cir committed-rate [bc committed-burst-size]} {pir peak-rate [be peak-
burst-size]}
Quality of service 1137