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Cisco Nexus 2000 Series NX-OS Fabric Extender Configuration Guide for Cisco Nexus 9000 Series Switches, Release 9.3(x)

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Updated:: February 8, 2022

Chapter: New and Changed Information

New and Changed Information
New and Changed Information

New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 2000 Series NX-OS Fabric Extender Configuration Guide for Cisco Nexus 9000 Series Switches.

New and Changed Information

Table 1. New and Changed Features for Cisco NX-OS Release 9.3(x)
Feature	Description	Changed in Release	Where Documented
Superfuzz FEX Fabric Extender	Added support for Cisco Nexus 9300-FX3 family switches in FEX mode.	9.3(9)	Guidelines and Limitations for the Fabric Extender
Dual-Homed FEX	Support for this feature is introduced on the Cisco Nexus 9300-FX2 and FX3 platform switches in ST and AA modes.	9.3(5)	Dual-Homed FEX Topology (Active-Active FEX Topology)
Straight-through FEX	Support for this feature is introduced on the Cisco Nexus 9300-FX3 platform.	9.3(5)	Switch vPC Topology and Straight Through FEX Topologies (Host vPC)
Software FEX Mode Configuration	From Cisco NX-OS Release 9.3(5) Nexus switches can be converted from switch mode into a software FEX mode.	9.3(5)	Software FEX Mode Configuration
FEX	Beginning Cisco NX-OS Release 9.3(1), MTU 9216 is made default for FEX fabric ports-channels. Configuring any other value will throw an error. Beginning with Cisco NX-OS Release 9.3(1), all FEX types support for N9K-C93360YC-FX2 switch in straight-through mode.	9.3(1)	Guidelines and Limitations for the Fabric Extender

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