Dell S4148U-ON OS10 Enterprise Edition User Guide Release 10.4.0E R2 - Page 622

Table 6. 10G and 25G port defaults Port Speed 10G Port PFC reserved ingress buffer 45 KB PFC pause threshold 9 KB PFC resume threshold 9 KB 25G Port 54 KB 9 KB 9 KB Table 7. 40G and 50G port defaults Port Speed 40G Port PFC reserved ingress buffer 93 KB PFC pause threshold 18 KB PFC resume threshold 9 KB 50G Port 111 KB 18 KB 9 KB Table 8. 100G port defaults Port Speed PFC reserved ingress buffer PFC pause threshold PFC resume threshold 100G Port 178 KB 36 KB 9 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. Use the optional queue-limit thresh-mode command to change the amount of shared buffers available to PFC traffic-class queues in the policy-class-map. 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 pfc-cos Configures the matching dot1p values used to send PFC pause frames. Syntax pfc-cos dot1p-priority Parameters dot1p-priority - Enter a single dot1p priority value for a PFC traffic class (0 to 7), a hyphen-separated range, or multiple dot1p values separated by commas. Default Not configured Command Mode POLICY-CLASS NETWORK-QOS Usage Information When you enter PFC-enabled dot1p priorities with pfc-cos, the dot1p values must be the same as the match qos-group (traffic class) numbers in the network-qos class map used to define the PFC traffic class (see 622 Converged data center services