2.1(1a)

May 12, 2025

Created release notes for Cisco UCS Central Release 2.1 (1a).

June 17, 2025

Updated the following sections:

• Behavior Changes in Release 2.1(1a)

• Feature Support Matrix

August 12, 2025

Updated the following section: Open Caveats in Release 2.1(1a)

2.1(1b)

July 28, 2025

Updated the following sections:

• Behavior Changes in Release 2.1(1b)

• Feature Support Matrix

• Upgrade Paths

August 12, 2025

Updated the following section: Open Caveats in Release 2.1(1b)

2.1(1c)

August 13, 2025

Updated the following sections:

• Feature Support Matrix

• Resolved Caveats in Release 2.1(1c)

September 4, 2025

Updated the following sections:

• Feature Support Matrix

• Behavior Changes in Release 2.1(1c)

• Upgrade Paths

• Open Caveats in Release 2.1(1c)

2.1(1c)

4.1(3), 4.2 up to 4.2(3), 4.3(2), 4.3(3), 4.3(4), 4.3(5), 4.3(6), 6.0(1)

2.1(1b)

4.1(3), 4.2 up to 4.2(3), 4.3(2), 4.3(3), 4.3(4), 4.3(5), 4.3(6)

2.1(1a)

4.1(3), 4.2 up to 4.2(3), 4.3(2), 4.3(3), 4.3(4), 4.3(5), 4.3(6)

2.0(1w)

2.2, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2 up to 4.2(3), 4.3(2), 4.3(3), 4.3(4), 4.3(5), 4.3(6)

2.0(1v)

2.2, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2 up to 4.2(3), 4.3(2), 4.3(3), 4.3(4), 4.3(5)

2.0(1u)

2.2, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2 up to 4.2(3), 4.3(2), 4.3(3)

2.0(1t)

2.2, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2 up to 4.2(3), 4.3(2)

2.0(1s)

2.2, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2 up to 4.2(3)

2.0(1r)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2 up to 4.2(3)

2.0(1q)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2(1), 4.2(2)

2.0(1p)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2(1)

2.0(1o)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(3), 4.2(1)

2.0(1n)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(3)

2.0(1m)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(3)

2.0(1l)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(2)

2.0(1k)

2.1, 2.2, 3.0, 3.1, 3.2, 4.0, 4.1 up to 4.1(1)

2.0(1j)

2.1, 2.2, 3.0, 3.1, 3.2, and 4.0 up to 4.0(4)

2.0(1i)

2.1, 2.2, 3.0, 3.1, 3.2, and 4.0 up to 4.0(4)

2.0(1h)

2.1, 2.2, 3.0, 3.1, 3.2, and 4.0 up to 4.0(2)

2.0(1g)

2.1, 2.2, 3.0, 3.1, 3.2, and 4.0 up to 4.0(2)

2.0(1f)

2.1, 2.2, 3.0, 3.1, 3.2, and 4.0(1)

2.0(1e)

2.1, 2.2, 3.0, 3.1, and 3.2

2.0(1d)

2.1, 2.2, 3.0, 3.1, and 3.2

2.0(1c)

2.1, 2.2, 3.0, 3.1, and 3.2 up to 3.2(2)

2.0(1b)

2.1, 2.2, 3.0, 3.1, and 3.2(1)

2.0(1a)

2.1, 2.2, 3.0, and 3.1

1.5

2.1, 2.2, 3.0, 3.1 up to 3.1(2)

1.4

2.1, 2.2 up to 2.2(8), 3.0, 3.1 up to 3.1(1)

1.3

2.1, 2.2 up to 2.2(6)

SR-IOV support 

4.3(2b)

Password Encryption Key to enhance security for backup configuration files.

4.2(3d)

UCS Manager supports TLS 1.3

4.2(3o)

BIOS tokens to improve RAS memory setting for UCS M5 servers

4.1(3a)

Support for Cisco UCS X215c M8 Compute Node

4.3(5a)

Support for Cisco UCS C225 M8 Server

4.3(5a)

Support for Cisco UCS C245 M8 Rack Server

4.3(4b)

Support for Cisco UCS X-Series Direct

4.3(4b)

Support for Tri-Mode 24G SAS RAID Controller

4.3(4a)

Support for Cisco UCSX-440P PCIe Node

4.3(4a)

Support for Cisco UCS X410c M7

4.3(2c)

Support for Cisco UCSX-9508 Chassis

4.3(2b)

Support for Cisco UCS X210c M7

4.3(2b)

Support for Cisco UCS X210c M6 

4.3(2b)

Support for Cisco UCS 9108 25G IFMs

4.3(2b)

Support for Cisco UCS 9108 100G IFMs

4.3(2b)

Support for Cisco UCS C220 M7 Server

4.3(2b)

Support for Cisco UCS C240 M7 Server

4.3(2b)

Support for Second RAID Controller in the IO Expander on Cisco UCS S3260 Storage Server (UCS-C3K-M4RAID)

2.0(1a)

No

No

No

3.1(3) and later

Support for Dual HBA Controller on Cisco UCS S3260 Storage Server (UCS-S3260-DHBA)

2.0(1a)

No

No

No

3.1(3) and later

Support for Dual SIOC

2.0(1a)

No

No

No

3.1(3) and later

Globalization of Service Profiles

2.0(1a)

No

2.2(8f)

No

3.1(2) and later

BIOS Asset Tag

2.0(1a)

No

No

No

3.1(3) and later

Hot patching/ Lightweight Upgrades

2.0(1a)

No

No

No

3.1(3) and later

User-Defined Zone Profiles

2.0(1a)

No

No

No

3.1(3) and later

Integrated Server Diagnostics

2.0(1a)

No

No

No

3.1(3) and later

SED Security Policies, Smart SSD, and KMIP Support

2.0(1a)

No

No

No

3.1(3) and later

Automatic Configuration of FI- Server Ports

2.0(1a)

No

No

No

3.1(3) and later

Set KVM IP on physical servers

2.0(1a)

No

No

No

3.1(3) and later

Fabric Evacuation in Firmware Auto Install

2.0(1a)

No

No

No

3.1(3) and later

Direct Fabric Interconnect Evacuation

2.0(1a)

No

2.2(4) and later

No

3.1(1) and later

Launch HTML5 KVM Client

2.0(1a)

No

No

No

3.1(3) and later

Multicast Policy

2.0(1a)

No

No

No

3.1(3) and later

Power Sync Policy

2.0(1a)

No

2.2(8)

No

3.1(2) and later

Statistics Threshold Policy

2.0(1a)

No

No

No

3.1(3) and later

Graphics Card Policy

2.0(1a)

No

No

No

3.1(3) and later

QoS System Class

2.0(1a)

No

No

No

3.1(3) and later

Hardware Change Discovery Policy

2.0(1a)

No

No

No

3.1(3) and later

Port Auto-Discovery Policy

2.0(1a)

No

No

No

3.1(3) and later

KMIP Certification Policy

2.0(1a)

No

No

No

3.1(3) and later

Server Reboot Logs

2.0(1a)

No

No

No

3.1(3) and later

Delete Decommissioned Rack Server, Chassis, FEX

2.0(1a)

Yes

Yes

No

3.1(1) and later

VLAN Group

2.0(1b)

No

No

No

3.1(2) and later

Cisco UCS S3260 Storage Server support

1.5(1a)

No

No

No

3.1(2) and later

vNIC/vHBA pairing

1.5(1a)

No

2.2(7) and later

No

3.1(2) and later

Traffic monitoring

1.5(1a)

No

2.2(7) and later

No

3.1(1) and later

UUID sync

1.5(1a)

No

2.2(7) and later

No

3.1(2) and later

Admin host port for PCI placement

1.5(1a)

No

No

No

3.1(1e) and later

Support for 160 LDAP group maps

1.5(1a)

No

2.2(8) and later

No

3.1(2) and later

Port Configuration

1.4(1a)

No

2.2(7) and later

No

No

3.1(1) and later

Advanced Local Storage Configuration

1.4(1a)

No

2.2(7) and later

2.5(1) and later

No

3.1(1) and later

Multiple LUNs in Boot Policy

1.4(1a)

No

2.2(7) and later

2.5(1) and later

No

3.1(1) and later

Consistent Device Naming

1.4(1a)

No

2.2(4) and later

2.5(1) and later

3.0(1) and later

3.1(1) and later

Direct-Attached Storage/FC Zoning

1.4(1a)

No

2.2(7) and later

No

No

3.1(1) and later

Advanced Host Firmware Pack

1.4(1a)

No

2.2(6) and later

No

No

3.1(1) and later

usNIC Connection Policy

1.4(1a)

No

2.2(6) and later

No

No

3.1(1) and later

VMQ Connection Policy

1.4(1a)

No

2.2(6) and later

No

No

3.1(1) and later

Equipment Policies

1.4(1a)

No

2.2(7) and later

No

No

3.1(1) and later

Maintenance Policy on Next Reboot

1.4(1a)

No

No

No

No

3.1(1) and later

Multi-version management support and viewing supported Cisco UCS Manager features

1.1(2a)

No

2.2(1b) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

Importing policy/policy component and resources

No

2.2(1b) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

Specifying remote location for backup image files

No

2.2(2b) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

3rd party certificate

No

2.2(2c) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

IPv6 inband management support

No

2.2(2c) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

Estimate Impact on Reconnect

1.2(1a)

No

2.2(3a) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

Precision Boot Order Control

No

2.2(1b) and later

2.5(1a) and later

3.0(1c) and later

3.1(1a) and later

Scriptable vMedia

1.2(1e) and later

No

2.2(2c) and later

2.5(1a) and later

3.0(2c) and later

3.1(1a) and later

2.1(1a)

CSCwe78970

CVE-2014-0050, CVE-2013-0248, CVE-2014-0050, CVE-2016-1000031, CVE-2016-3092, CVE-2023-24998

Critical CVE in component commons-file upload. Upgrade to latest version.

CSCwf28668

CVE-2018-15473, CVE-2021-41617, CVE-2007-2768, CVE-2008-3844, CVE-2010-4478, CVE-2012-0814, CVE-2014-2653, CVE-2015-5352, CVE-2015-5600,CVE-2015-6563, CVE-2015-6564, CVE-2016-0777, CVE-2016-0778, CVE-2016-10009, CVE-2016-10010, CVE-2016-10011, CVE-2016-10012, CVE-2016-10708, CVE-2016-1908, CVE-2016-3115, CVE-2016-6210, CVE-2017-15906, CVE-2018-15473, CVE-2018-15919, CVE-2018-20685, CVE-2019-16905, CVE-2019-6109, CVE-2019-6110, CVE-2019-6111, CVE-2020-14145, CVE-2021-28041, CVE-2021-41617

CVE-2017-8779, CVE-2018-14622, CVE-2021-46828

CVE-2010-2061, CVE-2010-2064, CVE-2017-8779

CVE-2020-9484, CVE-2020-11996, CVE-2016-5425

CSCwq95515

Server port configuration for X-Direct is not available through the Cisco UCS Central GUI.

Perform the following:

• To configure an X-Direct port as a Server port through the UCS Central CLI, follow these steps:

  • UCSC# connect resource-mgr

  • UCSC(resource-mgr) # scope domain-mgmt

  • UCSC(resource-mgr) /domain-mgmt # scope ucs-domain <domain_ID>

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain # scope eth-server

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain/eth-server # scope fabric {b}

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain/eth-server/fabric # create interface slot-id port-id

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain/eth-server/fabric/interface # commit-buffer

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain #

• Configure from Cisco UCS Manager.

CSCwq99695

The Decommission Chassis option must be enabled for Extended chassis within X-Direct in the Cisco UCS Central GUI.

Perform the following:

• You can decommision chassis option using the Cisco UCS Central CLI:

  • UCSC# connect resource-mgr

  • UCSC(resource-mgr) # scope domain-mgmt

  • UCSC(resource-mgr) /domain-mgmt # scope ucs-domain <domain_ID>

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain # decommision chassis <chassis_ID>

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain # commit-buffer

  • UCSC(resource-mgr) /domain-mgmt/ucs-domain #

• Configure from Cisco UCS Manager.

CSCwq90038

Unable to use filter with Cisco UCS 6664 Fabric Interconnect while creating Maintenance Group Tag.

Add the Cisco UCS 6664 Fabric Interconnect domains for Maintenance Group Tag directly without using filter.

CSCwq90043

The Cisco UCS 6664 Fabric Interconnect infrastructure firmware cannot be added through the Cisco UCS Central GUI or CLI.

Configure the Cisco UCS 6664 Fabric Interconnect Infrastructure firmware update through Cisco UCS domain.

CSCwq53304

The HCL Sync operation fails when both Firmware Image Download and HCL Sync are triggered simultaneously.

To download the HCL file, select only the HCL check box and uncheck the Firmware Image Download option. Alternatively, you can retry the HCL Sync after a failure.

CSCwp10391

After deploying or upgrading Cisco UCS Central 2.1(1a) or 2.1(1b), you may encounter a completely blank white screen in the GUI's Chassis Profile section. The issue affects Cisco UCS Central versions 2.1(1a) and 2.1(1b).

The GUI page shows no error message but fails to display any data. The problem begins with version 2.1(1a) and 2.1(1b).

An alternative approach is to use the CLI.

CSCwo48958

KVM launch from Cisco UCS Central fails for Cisco UCS Manager domains running on Cisco UCS Manager version 4.3(6).

Launch the KVM from the Cisco UCS Manager domain.

CSCwo72261

Network Manager failures and kernel messages related to start dnf makecache failure occur during the initial configuration of Cisco UCS Central.

Press Enter to proceed further with the user input or installation.

CSCwp10391

After deploying or upgrading Cisco UCS Central 2.1(1a) or 2.1(1b), you may encounter a completely blank white screen in the GUI's Chassis Profile section. The issue affects Cisco UCS Central versions 2.1(1a) and 2.1(1b).

The GUI page shows no error message but fails to display any data. The problem begins with version 2.1(1a) and 2.1(1b).

An alternative approach is to use the CLI.