New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 3548 Switch NX-OS Layer 2 Switching 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

MAC Move Tables

Added support for mac address-table loop-detect port-down command.

6.0(2)A8(1)

mac address-table loop-detect port-down

Flex Links

This feature was introduced to configure a pair of layer 2 interfaces (switch ports or port channels) as Flex Link interfaces, where one interface is configured to act as a backup to the other.

6.0(2)A3(1)

feature flexlink

show interface switchport backup

switchport backup interface

Link negotiation

This feature was introduced to enable or disable auto-negotiation on 1 Gigabit ports.

5.0(3)A1(2)

negotiate auto