Cisco Nexus 9000 Series NX-OS Software Upgrade and Downgrade Guide, Release 10.6(x)

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Updated:: April 16, 2026

Chapter: What's changed in this guide

What's changed in this guide

What's changed in this guide

This table summarizes the new and changed features in this guide for Release 10.6(x) and provides links to the sections where they are documented.

Table 1. New and changed features for NX-OS Release 10.6(x)
Feature	Description	Changed in Release	Where Documented
N9164E-NS4-O software image	Added a new software image for N9164E-NS4-O switch	10.6(2n)	Software image NX-OS software upgrade guidelines
MACsec ND ISSU	Added support for ND ISSU on MACsec-enabled interfaces on Nexus 9300-GX2, H2R, and H1 switches	10.6(2)F	NX-OS software upgrade guidelines MACsec non-disruptive ISSU
Transceiver firmware upgrade using NX-OS commands	Added support for transceiver firmware upgrade using the NX-OS command framework on N9364E-SG2-Q and N9364E-SG2-O switches	10.6(2)F	Transceiver Firmware
Software image for Smart switches	Introduced a new software image for N9324C-SE1U and N9348Y2C6D-SE1U Smart switches	10.6(2)F	Software image
NA	No new features added for this release	10.6(1)F	NA

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