Cisco Nexus 3548 Switch NX-OS Quality of Service Command Reference

New and Changed Information

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This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 3548 Switch NX-OS Quality of Service Command Reference. The latest version of this document is available at the following Cisco website:

http://www.cisco.com/en/US/products/ps11541/tsd_products_support_series_home.html

To check for additional information about this Cisco NX-OS Release, see the Cisco Nexus 3000 Series Switch Release Notes available at the following Cisco website:

http://www.cisco.com/en/US/products/ps11541/prod_release_notes_list.html

Table 1 summarizes the new and changed features and tells you where they are documented.

Table 1 New and Changed Information

Feature	Description	Changed in Release	Where Documented
ERSPAN	This feature was introduced.	6.0(2)A1(1)	ip dscp (ERSPAN) ip ttl (ERSPAN) ip prec (ERSPAN)
Link Level Flow Control	This feature was introduced.	6.0(2)A1(1)	class type queuing class-map type qos flowcontrol pause no-drop service-policy type network-qos service-policy type qos (system)
ECN Threshold	The congestion-control random-detect ecn command was deprecated and was superseded by the congestion-control dctcp ecn-threshold command	6.0(2)A1(1)	congestion-control dctcp ecn-threshold