Table Of Contents

New and Changed Information

New and Changed Information

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This chapter provides release-specific information for each new and changed feature in the Cisco NX-OS Layer 2 Switching Command Reference, Release 4.0. The latest version of this document is available at the following Cisco website:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/security/command/reference/sec_cmd_ref.html

To check for additional information about Cisco NX-OS Release 4.0, see the Cisco NX-OS Release Notes available at the following Cisco website:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/release/notes/401_nx-os_release_note.html

summarizes the new and changed features for the Cisco NX-OS Layer 2 Switching Command Reference, Release 4.0, and tells you where they are documented.

Table 1 New and Changed Information for Release 4.0 

Feature	Change Description	Changed in Release
Multiple Spanning Tree (MST)	The spanning-tree mst pre-standard command was added. You can force interfaces to send prestandard MST BPDUs prior to receiving a prestandard MST BPDUs from another device.	4.0(2)