New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 3000 Series 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 for Cisco NX-OS Release 5.x and tells you where they are documented.

 

Table 1 New and Changed Information
Feature
Description
Changed in Release
Where Documented

Non-ECN capable behavior enhancement

The congestion-control random-detect forward-nonecn command was introduced.

6.0(2)U6(7)

congestion-control random-detect forward-nonecn

Switch prompt

A new switch prompt is displayed after entering class type network-qos class-default

7.0(3)I2(1)

class type network-qos

Switch prompt

A new switch prompt is displayed after entering policy-map type network-qos.

7.0(3)I2(1)

policy-map type network-qos

Configuring Network QoS Policy

The show class-map type network-qos command was updated.

7.0(3)I2(1)

show class-map type network-qos

Configuring class maps

The show class-map type qos command was updated.

7.0(3)I2(1)

show class-map type qos

Configuring Priority Flow Control

The show interface priority-flow-control command was updated.

7.0(3)I2(1)

show interface priority-flow-control

Configuring Priority Flow Control

The show interface priority-flow-control detail command was updated.

7.0(3)I2(1)

show interface priority-flow-control detail

Monitoring QoS Statistics

The show policy-map interface command was updated.

7.0(3)I2(1)

show policy-map interface

Monitoring QoS Statistics

The show policy-map command was updated.

7.0(3)I2(1)

show policy-map

Monitoring QoS Statistics

The show policy-map system command was updated.

7.0(3)I2(1)

show policy-map system

Queuing Information for Interfaces.

The show queuing interface command was updated.

7.0(3)I2(1)

show queuing interface

Queuing Information for Interfaces.

The show queuing command was updated.

7.0(3)I2(1)

show queuing

IP QoS

The show running-configuration ipqos command was updated.

7.0(3)I2(1)

show running-config ipqos

Queuing Information for Interfaces.

The show queuing command was introduced.

6.0(2)U4(1)

show queuing

Priority Group Mapping

The pause priority-group command was introduced.

6.0(2)U2(1)

pause priority-group

Queue Limit Configuration

The queue-limit command was introduced.

6.0(2)U2(1)

queue-limit

Pause No-Drop

The pause no-drop command was introduced.

6.0(2)U2(1)

pause no-drop

Buffer Size Configuration

The pause buffer-size command was introduced.

6.0(2)U2(1)

pause buffer-size

ECN Thresholds

The random-detect command was enhanced with three more command options.

6.0(2)U2(1)

random-detect

Support for three strict priority levels

The priority level command was added.

6.0(2)U2(1)

priority level

Traffic Shaping

The shape command was enhanced with the option for a minimum guaranteed bandwidth.

6.0(2)U2(1)

shape

Priority Flow Control

This feature was introduced

6.0(2)U2(1)

priority level

show interface priority-flow-control

hardware profile pfc mmu buffer-reservation

priority-flow-control mode

Traffic Shaping

This feature was introduced

5.0(3)U5(1d)

shape

MTU

The device generates a syslog message when the Layer 3 MTU size is increased to 1500 bytes or greater.

5.0(3)U4(1)

mtu (interface)

Enhanced ECN marking

This featue was introduced.

5.0(3)U4(1)

congestion-control random-detect global-buffer

wred-queue qos-group-map queue-only

ERSPAN

This feature was introduced.

5.0(3)U2(2)

hardware profile pfc mmu buffer-reservation

ip ttl (ERSPAN)

mtu (ERSPAN)

Control plane policing (CoPP)

This feature was introduced.

5.0(3)U2(1)

class (control plane policy map)

class-map type control-plane

clear copp statistics

control-plane

pause buffer-size

policy-map type control-plane

service-policy (control-plane)

show class-map type control-plane

show copp status

show policy-map interface control-plane

show policy-map type control-plane

show running-config copp

show startup-config copp

Switch profile

This feature was introduced to create switch profiles. Several Ethernet and QoS commands can also be configured in a switch profile.

5.0(3)U2(1)

Quality of Service Commands

Quality of service (QoS)

This feature was introduced.

You can configure policy maps, class maps, service policies, weighted round robin (WRR) QoS groups to egress queues, or classify QoS traffic based on IP header information.

5.0(3)U1(1)

Quality of Service Commands