Home » Cisco » 400-051 » Which statement about the Cisco UC on UCS TRC and the third-party server specs-based virtualization support model is true?
Which statement about the Cisco UC on UCS TRC and the third-party server specs-based virtualization support model is true?
A. Both the UC on UCS TRC and the third-party servers spec-based support models have rule-based approaches.
B. The UC on UCS TRC support model has a rule-based approach and the third-party servers spec-based support model has a configuration-based approach.
C. The UC on UCS TRC support model requires a high level of virtualization experience while the third-party server spec-based support model requires a low to medium level virtualization experience.
D. VMware vCenter is mandatory for the UC on UCS TRC support model but it is optional for the third-party server spec-based support model.
E. VMware vCenter is optional for the UC on UCS TRC support model but it is mandatory for the third-party server spec-based support model.
Correct Answer: E
Explanation/Reference:
Explanation:
VMware vCenter is
optional when deploying on UC on UCS Tested Reference Configuration hardware
mandatory when deploying on UC on UCS Specs-based and Third-party Server Specs-based hardware.
vCenter Statistics Level 4 logging is mandatory so that Cisco TAC is able to provide effective support.
Click here for how to configure VMware vCenter to capture these logs. If not configured by default, Cisco TAC may request enabling these settings in order to provide effective support.
Also note that enablement of specific VMware vSphere management features may require vCenter and/or a higher feature Edition of vSphere ESXi.
Cisco Collaboration does not require its own dedicated vCenter.
Note that when VMware vCenter is not required and is not used, then VMware vSphere ESXi’s default management interface is its free/included VMware vSphere Client (formerly branded VI Client).
Reference: http://docwiki.cisco.com/wiki/Unified_Communications_VMware_Requirements
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/uc_system/virtualization/virtualization-software-requirements.html
Mandatory Virtualization Software
VMware vSphere ESXi is mandatory for all virtualized deployments of Cisco Collaboration.
VMware vSphere ESX is not supported, only ESXi.
Recall ESX and ESXi are architecture options for VMware vSphere releases prior to 5.0 (click here for a comparison). VMware vSphere 5.0+ only offers the ESXi architecture option. Click here for VMware’s direction to transition from ESX to ESXi. An ESX cluster can contain ESXi hosts running Cisco Collaboration.
Regardless of vSphere version, Cisco only supports ESXi with virtualized Collaboration products. Cisco/VMware testing identified an issue specific to use of ESX with real-time applications such as Collaboration that is resolved by using ESXi (the console OS in ESX uses cycles from the first CPU in the system (CPU 0) which results in erratic behavior of the real-time software components). ESXi contains several optimizations for real-time applications and is therefore what Cisco will support.
No other VMware server virtualization products are supported.
VMware vCenter is
mandatory when deploying on UC on UCS Specs-based, Spec-based 3rd-party infrastructure and HX TRC (because HX requires vCenter).
vCenter Statistics Level 4 logging is mandatory so that Cisco TAC is able to provide effective support.
Click here for how to configure VMware vCenter to capture these logs. If not configured by default, Cisco TAC may request enabling these settings in order to provide effective support.
Also note that enablement of specific VMware vSphere management features may require vCenter and/or a higher feature Edition of vSphere ESXi.
optional for otherUC on UCS Tested Reference Configuration deployments.
Cisco Collaboration does not require its own dedicated vCenter.
Note that when VMware vCenter is not required and is not used, then VMware vSphere ESXi’s default management interface is its free/included VMware vSphere Client (formerly branded VI Client).
Nonvirtualized, physical, or bare-metal installations of Cisco Collaboration are not supported on Cisco UCS. Cisco Collaboration may only run on Cisco UCS when virtualized.
Other virtualization vendors/products are not supported at this time (e.g. Microsoft Hyper-V, Citrix Xen, Red Hat KVM, etc.).