Dell PowerSwitch S4128F-ON OS10 Enterprise Edition User Guide Release 10.4.3.0 - Page 1090

4 0 5 0 6 0 7 0 0 0 0 0 0 0 0 0 PFC commands pause Configures the ingress buffer and pause frame settings used for PFC traffic classes. Syntax Parameters pause [buffer-size kilobytes pause-threshold kilobytes resume-threshold kilobytes] • buffer-size kilobytes - Enter the reserved (guaranteed) ingress-buffer size in kilobytes for PFC dot1p traffic, from 0 to 7787. • pause-threshold kilobytes - Enter the threshold used to send pause frames in kilobytes to a transmitting device, from 0 to 7787. • resume-threshold kilobytes - Enter the threshold used to request a transmitting device in kilobytes to resume sending traffic, from 0 to 7787. Defaults The default ingress-buffer size reserved for PFC traffic classes, and the pause and resume thresholds, vary according to the interface type. The default egress buffer reserved for PFC traffic classes is 0 on all interface types. Table 69. Port defaults Port Speed PFC reserved ingress buffer PFC pause threshold PFC resume threshold 10G Port 166 KB 96 KB 87 KB 25G Port 195 KB 96 KB 87 KB 40G Port 315.5 KB 192 KB 183 KB 100G Port 512 KB 232 KB 223 KB Command Mode Usage Information Example POLICY-CLASS NETWORK-QOS Use the pause command without optional parameters to apply the default ingress-buffer size, and pause (XON) and resume (XOFF) thresholds. Default values for the buffer-size, pause-threshold and resumethreshold parameters vary across interface types and port speeds. The default values are based on the default MTU size of 9216 bytes. OS10(config)# policy-map type network-qos pp1 OS10(conf-pmap-network-qos)# class cc1 OS10(conf-pmap-c-nqos)# pause buffer-size 30 pause-threshold 20 resumethreshold 10 Supported Releases 10.3.0E or later 1090 Converged data center services