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Cisco UCS Manager Network Management Guide Using the CLI, 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 feature 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 supports Cisco UCS 6652 Fabric Interconnect	Unified Ports on Cisco UCS 6600 Series Fabric Interconnects Configuring Fibre Channel Ports on UCS 6600 Series Fabric Interconnects Configuring Ethernet Ports on UCS 6600 Series Fabric Interconnects VIC QinQ Tunneling - Supported Combinations and Limitations Quality of Service Creating a Multicast Policy VLAN Port Count Optimization Modifying the Reserved VLAN
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 Configuring an Ethernet Adapter Policy
MTU Configuration and Forwarding Limits	Cisco UCS VIC 15000 Series adapter supports an increased MTU range of 1500 to 9158.	Configuring a vNIC Template Creating a vNIC for a LAN Connectivity Policy
Traffic Rate Monitoring for veth and vfc Interfaces	Cisco UCS Manager now supports displaying real-time traffic rates in Gbps and packets per second (pps) for Virtual Ethernet (veth) and Virtual Fibre Channel (vfc) interfaces via the CLI. This enhancement allows for more effective troubleshooting of network performance and congestion.	Displaying VIF Port Statistics Obtained From the Adaptor Verifying VFC to Vethernet Binding and Real-Time Statistics

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 Fibre Channel Ports on UCS 6600 Series Fabric Interconnects VIC QinQ Tunneling - Supported Combinations and Limitations Quality of Service Creating a Multicast Policy VLAN Port Count Optimization Modifying the Reserved VLAN
MACsec support for Cisco UCS 6664 Fabric Interconnect and Cisco UCS X-Series Direct	Cisco UCS Manager 6.0(1b) adds MACsec support for Cisco UCS 6664 Fabric Interconnect and Cisco UCS Fabric Interconnect 9108 100G (Cisco UCS X-Series Direct).	Guidelines and Limitations for MACsec
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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