Virtualization for Unified Communications Manager (CUCM)

Virtualization for Cisco Unified Communications Manager (CUCM)

Version 14

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Supported Versions of VMware vSphere ESXi= 6.7, 7.0 U1

Component &
Capacity Point

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

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+

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Supported Versions of VMware vSphere ESXi= 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.