Dell MX9116n OS10 Enterprise Edition User Guide for PowerEdge MX IO Modules Re - Page 600
pfc-shared-buffer-size, police
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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 (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 are generated. NOTE: This command is available only on Z9100-ON and HE-IOM. Syntax Parameters Default Command Mode Usage Information Example pfc-shared-headroom-buffer-size headroom-buffer-size headroom-buffer-size - Enter the size of the priority flow-control headroom buffer in KB (1 to 3399). 1024 KB SYSTEM-QOS This command is used to configure the shared headroom size. All PFC enabled priority groups can use the shared headroom space. Headroom is the buffer space which absorbs the incoming packets after the PFC frames reach the sender. Once the threshold is reached PFC frames are generated towards the sender. The packets sent by the sender after the PFC frames are generated are absorbed into the Headroom buffer. The no version of this command returns the value to the default. 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 Parameters police {cir committed-rate [bc committed-burst-size]} {pir peak-rate [be peakburst-size]} • cir committed-rate - Enter a committed rate value in kilo bits per second (0 to 4000000). • bc committed-burst-size - (Optional) Enter committed burst size in packets for control plane policing and in KB for data packets. (16 to 200000). • pir peak-rate - Enter a peak-rate value in kilo bits per second (0 to 40000000). 600 Quality of service