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Cisco UCS Manager Network Management Guide, Release 6.0

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Updated:: March 16, 2026

Chapter: New and Changed Information

New and Changed Information
New and Changed Information

New and Changed Information

New and Changed Information

This section provides information on new features and changed behavior in Cisco UCS Manager, Release 6.0.

Table 1. New Features and Changed Behavior in Cisco UCS Manager, Release 6.0(2b)
Feature	Description	Where Documented
Support for Cisco UCS 6600 Series Fabric Interconnect	Cisco UCS Manager now includes support for Cisco UCS 6652 Fabric Interconnect	Configuring Ethernet Breakout Ports on Cisco UCS 6652 Fabric Interconnect Configuring a 10/25G Port with QSA on Cisco UCS FI 6652 Fabric Interconnect Port Types Default Open Ports TCP and UDP Ports VLAN Port Count Optimization Quality of Service
Support for 50G Ethernet port for Cisco UCS 6652 Fabric Interconnect	Cisco UCS Manager now supports 50G port speed on the Ethernet port for Cisco UCS 6652 Fabric Interconnect.	Port Breakout Functionality on Cisco UCS 6652 Fabric Interconnect
Support for 50G Ethernet port for Cisco UCS 6664 Fabric Interconnect	Cisco UCS Manager now supports 50G port speed on the Ethernet port for Cisco UCS 6664 Fabric Interconnect.	Port Functionality on Cisco UCS 6664 Fabric Interconnect
Support for Spanning Tree Protocol (STP)-related faults	Cisco UCS Manager adds support for the reporting of Spanning Tree Protocol (STP)-related faults.	STP Faults Configuring STP Faults Unconfiguring STP Faults
Support for Receive Side Scaling (RSS) with Enhanced Network Stack (ENS)	Cisco UCS Manager now supports RSS with the Enhanced Network Stack (ENS) on VMware ESXi 8.0 and 9.0. This feature optimizes traffic distribution across multiple CPU cores and requires GENEVE offload to be enabled on Cisco UCS VIC 15000 Series adapters.	GENEVE Offload Enhanced Network Stack (ENS) Support Creating an Ethernet Adapter Policy
MTU Configuration and Forwarding Limits	Cisco UCS VIC 15000 Series adapter supports an increased MTU range of 1500 to 9158.	Creating a vNIC Template
MACsec support for Cisco UCS 6652 Fabric Interconnect	Cisco UCS Manager extends MACsec support for the Cisco UCS 6652 Fabric Interconnect.	Guidelines and Limitations for MACsec

Table 2. New Features and Changed Behavior in Cisco UCS Manager, Release 6.0(1b)
Feature	Description	Where Documented
Support for Cisco UCS 6600 Series Fabric Interconnect	Cisco UCS Manager supports Cisco UCS 6664 Fabric Interconnect	Configuring Port Modes for Cisco UCS 6664 Fabric Interconnect Port Functionality on Cisco UCS 6664 Fabric Interconnect Fabric Interconnect Port Types Default Open Ports TCP and UDP Ports VLAN Port Count Optimization Quality of Service
Support for Cisco UCS C-Series rack servers in Cisco UCS X-Series Direct	Cisco UCS Manager now supports Cisco UCS C-Series rack servers in Cisco UCS Fabric Interconnect 9108 100G (Cisco UCS X-Series Direct), enabling you to manage both UCS X-Series compute nodes (M6, M7, and M8) and C-Series (M7 and M8) rack servers together in the same domain.	Port Functionality on Cisco UCS Fabric Interconnects 9108 100G (Cisco UCS X-Series Direct)
MACsec support for Cisco UCS 6664 Fabric Interconnect and Cisco UCS X-Series Direct	Cisco UCS Manager 6.0(1b) adds MACsec support for the Cisco UCS 6664 Fabric Interconnect and Cisco UCS Fabric Interconnect 9108 100G (Cisco UCS X-Series Direct).	Guidelines and Limitations for MACsec
A warning for Native VLAN changes on vNICs	Cisco UCS Manager now supports an enhanced Native VLAN Configuration on vNICs, providing a warning message for Native VLAN changes that highlights the required port flap and brief connectivity impact (approximately 20–40 seconds).	About the Native VLAN
Deprecated support for Cisco UCS 6300 series Fabric Interconnect	Cisco UCS Manager support for Cisco UCS 6300 Series Fabric Interconnect is deprecated.	-

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