New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 10.3(x).

New and Changed Information

This table summarizes the new and changed features for the Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 10.3(x) and tells you where they are documented.

Table 1. New and Changed Features for Cisco NX-OS Release 10.3(x)

Feature

Description

Changed in Release

Where Documented

Support for Enhanced ISSU on N9K-C9408

Added support for Enhanced ISSU on Cisco Nexus C9408 platform switch

10.3(4a)M

ISSU platform support

Default Boot Mode Change to LXC

Enhanced non-disruptive ISSU with minimal downtime in the LXC mode on Cisco Nexus 9300-FX3 and 9300-GX switches

10.3(3)F

NX-OS software upgrade guidelines

ISSU platform support

Enable enhanced ISSU

NX-OS software downgrade guidelines

Release-specific updates

Updates related to Cisco NX-OS Release 10.3(2)F

10.3(2)F

NX-OS software downgrade guidelines

Enable enhanced ISSU

Release-specific updates

Guidelines to upgrade to 10.3(1)F release

Option to save bootflash space while converting the boot mode

10.3(1)F

NX-OS software upgrade guidelines

Convert from NX-OS to ACI boot mode and from ACI boot mode back to NX-OS