Virtualization for Unified CM IM and Presence

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Contents

Version 10.x

Click here for a Legend

Note Note:
  • If you have more than 10,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users of IM and Presence.
  • The recommendations below only apply to single cluster deployments. For multi-cluster deployments, it is recommended that you use the 5000 user VM configuration at a minimum.

Component & Capacity Point

VM Configuration Requirements
click to download OVA file for this version
Supported Hardware (Latest)
Supported Hardware (Older)
vCPU
vRAM
vDisk
vNIC
UCS Tested Reference Configurations
S is same as BE6000 MD
S+ is same as BE6000 HD
M includes BE7000
UCS or 3rd-party Specs-based on Intel Xeon
UCS Tested Reference Configurations
UCS or 3rd-party Specs-based on Intel Xeon

S
S+
M
L
XL
2XL
Full UC Perf. CPU
Restricted UC Perf. CPU
S
M
Full UC Perf. CPU
Restricted UC Perf. CPU
500 users (Full UC)
See notes

1
2 GB 1x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No
1000 users (Full UC)
See notes

1
2 GB 1x 80 GB 1
Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
2000 users
(Full UC)
See notes

1
4 GB 1x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No
5000 users (Full UC)
See notes

2 4 GB 2x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No
15,000 users (Full UC)
See notes

4 8 GB 2x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No





Version 9.x

Click here for a Legend

Note Note:
  • If you have more than 10,000 users in Cisco Unified Communications Manager, you must use the 5,000 user OVA template at a minimum, even if you plan to license less than 5,000 users of IM and Presence.
  • The recommendations below only apply to single cluster deployments. For multi-cluster deployments, it is recommended that you use the 5000 user VM configuration at a minimum.

Component & Capacity Point

VM Configuration Requirements
click to download OVA file for this version
Supported Hardware (Latest)
Supported Hardware (Older)
vCPU
vRAM
vDisk
vNIC
UCS Tested Reference Configurations
S is same as BE6000 MD
S+ is same as BE6000 HD
M includes BE7000
UCS or 3rd-party Specs-based on Intel Xeon
UCS Tested Reference Configurations
UCS or 3rd-party Specs-based on Intel Xeon

S
S+
M
L
XL
2XL
Full UC Perf. CPU
Restricted UC Perf. CPU
S
M
Full UC Perf. CPU
Restricted UC Perf. CPU
500 users (Full UC)
See notes

1
2 GB 1x 80 GB 1
Yes Yes Yes Yes Yes Yes Yes Yes
No Yes Yes No
1000 users (Full UC)
See notes


1
2 GB 1x 80 GB 1
Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No
2000 users
(Full UC)
See notes

1
4 GB 1x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No
5000 users (Full UC)
See notes

2 4 GB 2x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No
15,000 users (Full UC)
See notes

4 6 GB 2x 80 GB 1
No No Yes Yes Yes Yes Yes No No Yes Yes No





Notes on 500 user VM configuration

This is a minimal VM configuration for use with Cisco Hosted Collaboration Solution.

Maximum capacity:

  • 500 Full UC users
  • 1000 IM-only users
  • 6 single nodes or sub-clusters


This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

If you are migrating from a physical server with more than 80 GB of storage space to a virtual machine with a user deployment size of either 500 or 2000, see the Disaster Recovery System Administration Guide for more information.



Notes on 1000 user VM configurations

Maximum capacity:

  • 1000 Full UC users
  • 2000 IM-only users


This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).



Notes on 2000 user VM configurations

Maximum capacity:

  • 2000 Full UC users per node
  • 2000 IM-only users
  • 3 single nodes or sub-clusters



This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).

If you are migrating from a physical server with more than 80 GB of storage space to a virtual machine with a user deployment size of either 500 or 2000, see the Disaster Recovery System Administration Guide for more information.



Notes on 5000 user VM configuration

Maximum capacity:


  • 5000 Full UC users
  • 12,500 IM-only users
  • 6 single nodes or sub-clusters


This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).


Notes on 15000 user VM configuration

Maximum capacity:

  • 15,000 Full UC users
  • 25,000 IM-only users
  • 6 single nodes or sub-clusters



This VM size can be used when performing a DRS migration from a non-virtualized/physical server with a disk capacity of 80 GB or less (e.g. MCS-7825-H2).


IOPS and Storage System Performance Requirements

Expect similar peaks as Cisco Unified Communications Manager during backups and upgrades.

The 1000 user VM configurations generates about 60 IOPS during steady-state.

For VM configurations supporting more than 1000 users, plan for 160 IOPS during steady-state.


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