Virtualization for Unified Communications Manager (CUCM)

Virtualization for Cisco Unified Communications Manager (CUCM)

Version 12.5(1) - SU2+

Cisco Collaboration Virtualization

Version 15

VMware vSphere ESXi: Supported Major/Minor Versions with Minimum Supported Release of each:
(click here for details) 7.0 U3, 8.0 U1

Design Guide
Upgrade Guide

Component &
Capacity Point

VM Configuration Requirements
click to download OVA file for this version

vCPU

Physical CPU Base Frequency

vRAM

vDisk

vNIC

UCM Cluster Node

Min 2
See Notes

Min 2.00 GHz
See Notes

Min 10 GB
See Notes

Min 1 x 110 GB
See Notes

1

Notes:

Run Collaboration Sizing Tool (CST) for prescriptive guidance on VM specs.
See Notes section for VM Configurations and IOPS requirements.
Refer to Cisco Collaboration Infrastructure for all other details on hardware and VMware support.
Refer to Quote Collab for modeling VM placement on a user defined hardware configuration.

Here are some recommended starting points based on typical requirements; your requirements may be different:

	vCPU	Physical CPU Base Frequency	vRAM	vDisk	vNIC
Small Example VM (Small Example Hardware)	2	2.00+ GHz	10 GB	1 x 110 GB	1 (1GbE+)
Medium Example VM (Medium Example Hardware)	2	2.50+ GHz	12 GB	1 x 110 GB	1 (1GbE+)
Large Example VM (Large Example Hardware)	4	2.50+ GHz	14 GB	1 x 110 GB	1 (1GbE+)

Version 14

VMware vSphere ESXi: Supported Major/Minor Versions with Minimum Supported Release of each:
(click here for details) 6.7, 7.0 U1, 8.0 U1

Design Guide
Upgrade Guide

Component &
Capacity Point

VM Configuration Requirements
click to download OVA file for this version

vCPU

Physical CPU Base Frequency

vRAM

vDisk

vNIC

UCM Cluster Node

Min 2
See Notes

Min 2.00 GHz
See Notes

Min 6 GB
See Notes

Min 1 x 80 GB
See Notes

1

Notes:

Run Collaboration Sizing Tool (CST) for prescriptive guidance on VM specs.
See Notes section for VM Configurations and IOPS requirements.
Refer to Cisco Collaboration Infrastructure for all other details on hardware and VMware support.
Refer to Quote Collab for modeling VM placement on a user defined hardware configuration.

Here are some recommended starting points based on typical requirements; your requirements may be different:

	vCPU	Physical CPU Base Frequency	vRAM	vDisk	vNIC
Small Example VM (Small Example Hardware)	2	2.00+ GHz	6 GB	1 x 80 GB	1 (1GbE+)
Medium Example VM (Medium Example Hardware)	2	2.50+ GHz	8 GB	1 x 110 GB	1 (1GbE+)
Large Example VM (Large Example Hardware)	4	2.50+ GHz	8 GB	1 x 110 GB	1 (1GbE+)

Version 12.5(1) - SU2+

VMware vSphere ESXi: Supported Major/Minor Versions with Minimum Supported Release of each: (click here for details) 6.5, 6.7, 7.0 U1
Component & Capacity Point	VM Configuration Requirements click to download OVA file for this version
Component & Capacity Point	vCPU	Physical CPU Base Frequency	vRAM	vDisk	vNIC
150 users	2	2.00 GHz	4 GB	1 x 80 GB	1
1,000 users	2	2.00 GHz	6 GB	1 x 80 GB	1
2,500 users	1	2.50 GHz	6 GB	1 x 80 GB	1
7,500 users	2	2.50 GHz	8 GB	1 x 110 GB	1
10,000 users	4	2.50 GHz	8 GB	1 x 110 GB	1
Notes: For more details, see Notes for VM Configurations and IOPS requirements. For all other details on hardware and VMware support, refer to Cisco Collaboration Infrastructure. Refer to Quote Collab for modeling VM placement on a user defined hardware configuration.