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

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Updated:: December 14, 2025

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 10.6(x) and tells you where they are documented.

Table 1. New and changed features for NX-OS Release 10.6(x)
Feature	Description	Changed in Release	Where Documented
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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