Dell PowerConnect 3424P Command Line Interface (CLI) Guide (.htm) - Page 256
qos t, ust Inte
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www.dell.com | support.dell.com • cos - Indicates that ingress packets are classified with packet CoS values. Untagged packets are classified with the default port CoS value. • dscp - Indicates that ingress packets are classified with packet DSCP values. Default Configuration CoS is the default trust mode. Command Mode Global Configuration mode User Guidelines • Packets entering a quality of service (QoS) domain are classified at the edge of the QoS domain. When packets are classified at the edge, the switch port within the QoS domain can be configured to one of the trusted states because there is no need to classify the packets at every device in the domain. • Use this command to specify whether the port is trusted and which fields of the packet to use to classify traffic. • When the system is configured as trust DSCP, traffic is mapped to a queue according to the DSCP-queue map. Example The following example configures the system to the DSCP trust state. Console(config)# qos trust dscp qos trust (Interface) The qos trust Interface Configuration (Ethernet, Port-channel) mode command enables each port trust state while the system is in the basic QoS mode. To disable the trust state on each port, use the no form of this command. Syntax qos trust no qos trust Default Configuration qos trust is enabled on each port. Command Mode Interface Configuration (Ethernet, Port-channel) mode DELL CONFIDENTIAL - PRELIMINARY 9/13/06 - FOR PROOF ONLY 256 QoS Commands
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