Quality of Service (QoS)The Dell Networking OS commands for quality of service (QoS) include traffic conditioning and congestion control. QoS commands are notuniversally supported on all Dell Networking products. platform.Topics:• Global Configuration Commands• Per-Port QoS Commands• Policy-Based QoS Commands• DSCP Color Map CommandsGlobal Configuration CommandsThere is only one global configuration QoS command.qos-rate-adjustBy default, while rate limiting, policing, and shaping, Dell Networking OS does not include the Preamble, SFD, or the IFG fields. These fieldsare overhead; only the fields from MAC destination address to the CRC are used for forwarding and are included in these rate meteringcalculations. You can optionally include overhead fields in rate metering calculations by enabling QoS Rate Adjustment.Syntax qos-rate-adjustment overhead-bytesParameters overhead-bytes Include a specified number of bytes of packet overhead to include in rate limiting, policing,and shaping calculations. The range is from 1 to 31.Defaults QoS rate adjustment is disabled by default.Command Modes CONFIGURATIONCommand History This guide is platform-specific. For command information about other platforms, see the relevant Dell NetworkingOS Command Line Reference Guide.Version Description9.10(0.0) Introduced on the S6100-ON.9.8(1.0) Introduced on the Z9100-ON.9.8(0.0P5) Introduced on the S4048-ON.9.8(0.0P2) Introduced on the S3048-ON.9.7(0.0) Introduced on the S6000-ON.421256 Quality of Service (QoS)
